Trojan.Win32.Bicololo.bgnt (Kaspersky), Gen:Heur.SMHeist.2 (AdAware), Trojan.MSIL.Bladabindi.2.FD (Lavasoft MAS)Behaviour: Trojan
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 591c7fde27d1f5b1e31969cc3e21016e
SHA1: 4b2c0b4588df631312d3ddbcc52e89ce7dbcce3f
SHA256: 1ed5abcf903eb73baa62edfc61889fb1c90adb9a11f0f38cf1b1f67631e78cdf
SSDeep: 6144:yZXBsWqsE/Ao mv8Qv0LVmwq4FU0nN876saoVdOIUQ:0XmwRo mv8QD4 0N46l0bL
Size: 248596 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: BorlandDelphi30, BorlandDelphiv30, UPolyXv05_v6
Company: no certificate found
Created at: 1992-06-20 01:22:17
Analyzed on: WindowsXP SP3 32-bit
Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Trojan creates the following process(es):
%original file name%.exe:716
WScript.exe:484
WScript.exe:1108
The Trojan injects its code into the following process(es):No processes have been created.
Mutexes
The following mutexes were created/opened:No objects were found.
File activity
The process %original file name%.exe:716 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Program Files%\Napnut\Nezavisimo\dartaniyan.vbs (298 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\$inst\temp_0.tmp (106 bytes)
%Program Files%\Napnut\Nezavisimo\6.txt (27 bytes)
%Program Files%\Napnut\Nezavisimo\Uninstall.ini (2 bytes)
%Program Files%\Napnut\Nezavisimo\5.txt (15 bytes)
%Program Files%\Napnut\Nezavisimo\onkilogok.bat (1 bytes)
%Program Files%\Napnut\Nezavisimo\kislogon.vbs (992 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\$inst\2.tmp (68 bytes)
%Program Files%\Napnut\Nezavisimo\Uninstall.exe (5062 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\$inst (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\$inst\2.tmp (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\$inst\temp_0.tmp (0 bytes)
The process WScript.exe:484 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
Registry activity
The process %original file name%.exe:716 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%System%]
"wscript.exe" = "Microsoft (R) Windows Based Script Host"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Nezavisimo 1.5]
"EstimatedSize" = "100"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Nezavisimo 1.5]
"VersionMajor" = "1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Nezavisimo 1.5]
"Language" = "1033"
"DisplayIcon" = "%Program Files%\Napnut\Nezavisimo\Uninstall.exe"
"VersionMinor" = "5"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Nezavisimo 1.5]
"InstallLocation" = "%Program Files%\Napnut\Nezavisimo\"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Nezavisimo 1.5]
"UninstallString" = "%Program Files%\Napnut\Nezavisimo\Uninstall.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Nezavisimo 1.5]
"InstallDate" = "20150805"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Program Files%\Napnut\Nezavisimo]
"onkilogok.bat" = "onkilogok"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Nezavisimo 1.5]
"NoRepair" = "1"
"DisplayName" = "Nezavisimo 1.5"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "0A DA 6B A8 58 4B 13 B7 EB EF 1B DA 4B 72 5E EE"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Nezavisimo 1.5]
"DisplayVersion" = "1.5"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Nezavisimo 1.5]
"NoModify" = "1"
"Publisher" = "Napnut"
"InstallSource" = "c:\"
The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"
The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:
"UNCAsIntranet" = "1"
The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:
"IntranetName" = "1"
To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"Nezavisimo" = "%Program Files%\Napnut\Nezavisimo\krip.exe"
The process WScript.exe:484 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 1D 00 00 00 01 00 00 00 00 00 00 00"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "D0 63 0B 31 54 55 3E 3F 52 E8 AB 0F 8F 8A 39 6F"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"
The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"
The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:
"ProxyBypass" = "1"
Proxy settings are disabled:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"
The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"
The Trojan deletes the following value(s) in system registry:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"
The process WScript.exe:1108 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "63 3D 8D FD 9C 1E A9 94 C2 3E BF 16 BB 0C 8D 46"
Dropped PE files
MD5 | File path |
---|---|
78048f9d344186611d0472908c103f41 | c:\Program Files\Napnut\Nezavisimo\Uninstall.exe |
HOSTS file anomalies
The Trojan modifies "%System%\drivers\etc\hosts" file which is used to translate DNS entries to IP addresses. The modified file is 1191 bytes in size. The following strings are added to the hosts file listed below:
104.156.253.167 | my.mail.ru |
104.156.253.167 | m.my.mail.ru |
104.156.253.167 | vk.com |
104.156.253.167 | ok.ru |
104.156.253.167 | m.vk.com |
104.156.253.167 | odnoklassniki.ru |
104.156.253.167 | vk.com |
104.156.253.167 | www.odnoklassniki.ru |
104.156.253.167 | m.odnoklassniki.ru |
104.156.253.167 | ok.ru |
104.156.253.167 | m.ok.ru |
104.156.253.167 | www.odnoklassniki.ru |
104.156.253.167 | sotialmonstercookie.ru |
217.20.152.226 | st.mycdn.me |
217.20.156.72 | mycdn.me |
Rootkit activity
No anomalies have been detected.
Propagation
Removals
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Terminate malicious process(es) (How to End a Process With the Task Manager):
%original file name%.exe:716
WScript.exe:484
WScript.exe:1108 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Program Files%\Napnut\Nezavisimo\dartaniyan.vbs (298 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\$inst\temp_0.tmp (106 bytes)
%Program Files%\Napnut\Nezavisimo\6.txt (27 bytes)
%Program Files%\Napnut\Nezavisimo\Uninstall.ini (2 bytes)
%Program Files%\Napnut\Nezavisimo\5.txt (15 bytes)
%Program Files%\Napnut\Nezavisimo\onkilogok.bat (1 bytes)
%Program Files%\Napnut\Nezavisimo\kislogon.vbs (992 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\$inst\2.tmp (68 bytes)
%Program Files%\Napnut\Nezavisimo\Uninstall.exe (5062 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"Nezavisimo" = "%Program Files%\Napnut\Nezavisimo\krip.exe" - Restore the original content of the HOSTS file (%System%\drivers\etc\hosts): 127.0.0.1 localhost
Static Analysis
VersionInfo
Company Name: Napnut
Product Name:
Product Version:
Legal Copyright: Napnut
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 1.5
File Description: Nezavisimo 1.5 Installation
Comments:
Language: English (United States)
Company Name: Napnut Product Name: Product Version: Legal Copyright: Napnut Legal Trademarks: Original Filename: Internal Name: File Version: 1.5 File Description: Nezavisimo 1.5 Installation Comments: Language: English (United States)
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
CODE | 4096 | 148684 | 148992 | 4.57087 | bac8bae7a5e5326cf49943b90d1c062a |
DATA | 155648 | 10388 | 10752 | 2.62963 | abafcbfbd7f8ac0226ca496a92a0cf06 |
BSS | 167936 | 4341 | 0 | 0 | d41d8cd98f00b204e9800998ecf8427e |
.idata | 176128 | 6040 | 6144 | 3.38637 | 7a4934595db0efc364c3982c4e335d8c |
.tls | 184320 | 8 | 0 | 0 | d41d8cd98f00b204e9800998ecf8427e |
.rdata | 188416 | 24 | 512 | 0.14174 | c4fdd0c5c9efb616fcc85d66056ca490 |
.reloc | 192512 | 6276 | 6656 | 4.56552 | 867a1120317d51734587a74f6ee70016 |
.rsrc | 200704 | 17716 | 17920 | 4.23845 | 9fa2e6f0ed3cea6ab82dc6750ac0322a |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Total found: 12
b4963c389287f4c6f458afaa28b334a4
4a90c5e7ddf97aded61cd556f4ce8dac
f4901df5f298c69776f1026650c0ee88
c6a1c6b1eb70d8a263b308f1a67ecf36
a5b5be016d37c412fffd2034fd9c0934
f99659fef8def0fb219ee1d53b3b42e7
543aead45568ecb83dc504741f14d01b
cd8c5ce2011db01ed767504290b26287
80f967af249a9209c671d54a5d954b2e
6f5922cd04b5355696a75992bd51fe67
f4a232485e4a65ff6f7daba701e8b39a
fe9ff0b3dde78d617ccbaa02d85ed4c0
Network Activity
URLs
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
Map
The Trojan connects to the servers at the folowing location(s):
Strings from Dumps
WScript.exe_484:
.text
.text
`.data
`.data
.rsrc
.rsrc
@.reloc
@.reloc
ADVAPI32.dll
ADVAPI32.dll
KERNEL32.dll
KERNEL32.dll
NTDLL.DLL
NTDLL.DLL
USER32.dll
USER32.dll
msvcrt.dll
msvcrt.dll
OLEAUT32.dll
OLEAUT32.dll
ole32.dll
ole32.dll
VERSION.dll
VERSION.dll
wscript.exe
wscript.exe
advapi32.dll
advapi32.dll
kernel32.dll
kernel32.dll
%s%s.DLL
%s%s.DLL
wintrust.dll
wintrust.dll
%d.%d
%d.%d
Invalid parameter passed to C runtime function.
Invalid parameter passed to C runtime function.
SOFTWARE\Classes\%s\%s
SOFTWARE\Classes\%s\%s
0x%8X
0x%8X
CreateURLMonikerEx
CreateURLMonikerEx
urlmon.dll
urlmon.dll
@@8X%u
@@8X%u
RegCreateKeyA
RegCreateKeyA
RegCloseKey
RegCloseKey
RegOpenKeyA
RegOpenKeyA
RegDeleteKeyA
RegDeleteKeyA
RegCreateKeyExW
RegCreateKeyExW
RegCreateKeyExA
RegCreateKeyExA
RegOpenKeyExW
RegOpenKeyExW
ReportEventW
ReportEventW
RegEnumKeyExA
RegEnumKeyExA
RegOpenKeyExA
RegOpenKeyExA
GetProcessHeap
GetProcessHeap
GetCPInfo
GetCPInfo
MsgWaitForMultipleObjects
MsgWaitForMultipleObjects
EnumThreadWindows
EnumThreadWindows
wscript.pdb
wscript.pdb
stdole2.tlbWWW
stdole2.tlbWWW
.ObjectWW
.ObjectWW
KeyW
KeyW
WindowsFolderWWW4
WindowsFolderWWW4
%CopyFolderWWL
%CopyFolderWWL
Windows Script Host (Ver 5.6)W)
Windows Script Host (Ver 5.6)W)
Windows Script Host Application InterfaceW%
Windows Script Host Application InterfaceW%
Windows Script Host Object
Windows Script Host Object
ebstrCmdLineW
ebstrCmdLineW
7Â8t8x8
7Â8t8x8
5Q5F5
5Q5F5
Software\Microsoft\Windows Script Host\Settings
Software\Microsoft\Windows Script Host\Settings
Windows Script Host
Windows Script Host
WScript.CreateObject
WScript.CreateObject
WSHRemote.Execute
WSHRemote.Execute
Software\Microsoft\Active Setup\Installed Components\{89820200-ECBD-11CF-8B85-00AA005B4383}
Software\Microsoft\Active Setup\Installed Components\{89820200-ECBD-11CF-8B85-00AA005B4383}
.\%s.mui
.\%s.mui
.\%s\%s.mui
.\%s\%s.mui
%s\%s.mui
%s\%s.mui
%s\%s\%s.mui
%s\%s\%s.mui
%s\%s
%s\%s
Microsoft (R) Windows Based Script Host
Microsoft (R) Windows Based Script Host
5.7.0.16599
5.7.0.16599
Microsoft (R) Windows Script Host
Microsoft (R) Windows Script Host
(Windows Script Host (debugging disabled)
(Windows Script Host (debugging disabled)
Windows Script Host Error
Windows Script Host Error
Windows Script Host Input Error
Windows Script Host Input Error
This Unicode version of Windows Script Host will only execute under Windows NT.
This Unicode version of Windows Script Host will only execute under Windows NT.
Please use the ANSI version of Windows Script Host."
Please use the ANSI version of Windows Script Host."
WScript execution time was exceeded on script "%1!ls!".
WScript execution time was exceeded on script "%1!ls!".
Script execution was terminated.1Could not locate automation class named "%1!ls!".
Script execution was terminated.1Could not locate automation class named "%1!ls!".
Could not connect object.'Could not create object named "%1!ls!".1Initialization of the Windows Script Host failed.6Can't find script engine "%2!ls!" for script "%1!ls!".!Can't change default script host.=An attempt at saving your settings via the //S option failed.(Loading script "%1!ls!" failed (%2!ls!).
Could not connect object.'Could not create object named "%1!ls!".1Initialization of the Windows Script Host failed.6Can't find script engine "%2!ls!" for script "%1!ls!".!Can't change default script host.=An attempt at saving your settings via the //S option failed.(Loading script "%1!ls!" failed (%2!ls!).
Loading your settings failed.,Execution of the Windows Script Host failed.,Unexpected error of the Windows Script Host._Windows Script Host access is disabled on this machine. Contact your administrator for details.
Loading your settings failed.,Execution of the Windows Script Host failed.,Unexpected error of the Windows Script Host._Windows Script Host access is disabled on this machine. Contact your administrator for details.
Missing job name.*Unicode is not supported on this platform.
Missing job name.*Unicode is not supported on this platform.
Command line options are saved.4The default script host is now set to "wscript.exe".4The default script host is now set to "cscript.exe".,Successful execution of Windows Script Host.3Successful remote execution of Windows Script Host.
Command line options are saved.4The default script host is now set to "wscript.exe".4The default script host is now set to "cscript.exe".,Successful execution of Windows Script Host.3Successful remote execution of Windows Script Host.
Win32 Error 0x%X
Win32 Error 0x%X
Windows Script Host(Windows Script Host (debugging disabled)
Windows Script Host(Windows Script Host (debugging disabled)
Usage: WScript scriptname.extension [option...] [arguments...]
Usage: WScript scriptname.extension [option...] [arguments...]
Use engine for executing script
Use engine for executing script
Changes the default script host to CScript.exe
Changes the default script host to CScript.exe
Changes the default script host to WScript.exe (default)
Changes the default script host to WScript.exe (default)
Prevent logo display: No banner will be shown at execution time
Prevent logo display: No banner will be shown at execution time
#WScript Error - Windows Script Host!Input Error - Windows Script HostlThis Unicode version of WScript will only execute under Windows NT.
#WScript Error - Windows Script Host!Input Error - Windows Script HostlThis Unicode version of WScript will only execute under Windows NT.
%6!ls! WScript - Script Execution Error!Windows Script Host Remote Script/Remote script object can only be executed once. Unable to execute remote script.
%6!ls! WScript - Script Execution Error!Windows Script Host Remote Script/Remote script object can only be executed once. Unable to execute remote script.