Gen:Variant.Kazy.337644 (BitDefender), Trojan.DownLoader9.24700 (DrWeb), Gen:Variant.Kazy.337644 (B) (Emsisoft), Trojan-Ransom.Win32.Blocker (Ikarus), Gen:Variant.Kazy.337644 (FSecure), MSIL:Agent-BNK [Trj] (Avast), TROJ_FORUCON.BMC (TrendMicro), Trojan.MSIL.Bladabindi.2.FD, mzpefinder_pcap_file.YR, Sinowal.YR, GenericInjector.YR (Lavasoft MAS)Behaviour: Ransom, Trojan
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 1c204760ef8450a1b963001938f6bafc
SHA1: e117323b30132cf5bd2a2ababa967a036556b077
SHA256: c8a2a51d72cd3bb5894d83511ad1c3ad183ea3a178928ec621a754d8dda4142d
SSDeep: 3072:S0 WomUrMtm720SIg20sFtPFW8f gB22lfn3fAtwhdt5XnLu1qyVEk0ghwhJ5U:vohrMtm/3gh2jB34tCdHXLurFb2h
Size: 245248 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: SummerSoft
Created at: 2014-02-12 18:47:15
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):
javabeta15v2u3.exe:2160
nt32.exe:304
%original file name%.exe:256
%original file name%.exe:1820
The Trojan injects its code into the following process(es):
WScript.exe:1068
cvtres.exe:2440
nt32.exe:1628
javaan17v2u5.exe:2716
File activity
The process nt32.exe:1628 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
C:\NTKernel\javabeta15v2u3.exe (6500 bytes)
%Documents and Settings%\%current user%\Start Menu\Programs\Startup\Update.Microsoft.com.url (46 bytes)
C:\NTKernel\load32 (7972 bytes)
%Documents and Settings%\%current user%\My Documents\315load32.exe (1281 bytes)
%Documents and Settings%\All Users\Application Data\load32.exe (1281 bytes)
C:\NTKernel\javaan17v2u5.exe (2136 bytes)
%Documents and Settings%\All Users\Application Data\load32.vbs (873 bytes)
%System%\wbem\Logs\wbemprox.log (75 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\All Users\Application Data\load32.vbs (0 bytes)
The process %original file name%.exe:256 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
C:\NTKernel\nt32.exe (1281 bytes)
Registry activity
The process javabeta15v2u3.exe:2160 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "09 58 4E 3E 78 A8 B1 01 22 3D 16 2E 1D 01 1D 14"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
The process WScript.exe:1068 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3E 8C B0 F1 BE AA 71 EC 72 13 6C A4 D3 0B BC 93"
The process cvtres.exe:2440 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "AC 7A 78 50 F3 3A 57 A3 AD F8 56 EC 15 A4 38 23"
The process nt32.exe:1628 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\wireshark.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\bdagent.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\NTKernel]
"javaan17v2u5.exe" = "HADMZTLER"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ComboFix.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgidsagent.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\NTKernel]
"javabeta15v2u3.exe" = "HADMZTLER"
[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 NT\CurrentVersion\Image File Execution Options\MSASCui.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbamservice.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgwdsvc.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avconfig.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\spybotsd.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbampt.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccuac.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore]
"DisableSR" = "1"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvastUI.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nt32.exe]
"DisableExceptionChainValidation" = ""
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbamscheduler.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
"shell" = "explorer.exe,%Documents and Settings%\All Users\Application Data\load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgui.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows Script Host\Settings]
"REG_DWORD" = "1"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbam.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgcsrvx.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbamgui.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgnt.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvastSvc.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Startup" = "%Documents and Settings%\%current user%\Start Menu\Programs\Startup"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avguard.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"ShowSuperHidden" = "0"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3F AA D4 C7 02 B6 48 7B 78 49 65 9A DC 59 F4 74"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\zlclient.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgrsx.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\keyscrambler.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avscan.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKCU\Software\VB and VBA Program Settings\Microsoft\Sysinternals]
"version" = "-a scrypt -o stratum tcp://stratum2.dogechain.info:3333 -O praytous.user:x -t THREADS"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avcenter.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows]
"Load" = "C:\NTKernel\nt32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\hijackthis.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\instup.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe]
"Debugger" = "%Documents and Settings%\%current user%\My Documents\315load32.exe"
The following service is disabled:
[HKLM\System\CurrentControlSet\Services\Schedule]
"Start" = "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 proxy to the Intranet Zone:
"ProxyBypass" = "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]
"NT Kernel Service" = "C:\NTKernel\nt32.exe -rundll32 /SYSTEM32 C:\Windows\System32\taskmgr.exe %Program Files%\Microsoft\Windows"
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 process nt32.exe:304 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "CB A3 70 60 A4 10 C5 C7 6A 7A 0E 8D 42 40 7F 95"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
The process javaan17v2u5.exe:2716 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "14 34 FD E5 1D 37 C4 D3 1E 57 4A 6E 2F 61 3D 8D"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
The process %original file name%.exe:256 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "1A 36 41 0A A3 C4 01 E5 8B CE DE 5C 0A 22 63 2B"
[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\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
"Personal" = "%Documents and Settings%\%current user%\My Documents"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\NTKernel]
"nt32.exe" = "LUZESZI"
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 urls to the Intranet Zone:
"IntranetName" = "1"
The Trojan modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:
"ProxyBypass" = "1"
The process %original file name%.exe:1820 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "D7 BC EB 08 D5 C9 9A 29 36 81 36 4E D7 90 2B A5"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
Network activity (URLs)
URL | IP |
---|---|
hxxp://wwwhold.in/8/8/plas/gate.php | |
hxxp://wwwhold.in/data/javabeta.exe | |
hxxp://wwwhold.in/data/CPU.files |
HOSTS file anomalies
No changes have been detected.
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):
javabeta15v2u3.exe:2160
nt32.exe:304
%original file name%.exe:256
%original file name%.exe:1820 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
C:\NTKernel\javabeta15v2u3.exe (6500 bytes)
%Documents and Settings%\%current user%\Start Menu\Programs\Startup\Update.Microsoft.com.url (46 bytes)
C:\NTKernel\load32 (7972 bytes)
%Documents and Settings%\%current user%\My Documents\315load32.exe (1281 bytes)
%Documents and Settings%\All Users\Application Data\load32.exe (1281 bytes)
C:\NTKernel\javaan17v2u5.exe (2136 bytes)
%Documents and Settings%\All Users\Application Data\load32.vbs (873 bytes)
%System%\wbem\Logs\wbemprox.log (75 bytes)
C:\NTKernel\nt32.exe (1281 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"NT Kernel Service" = "C:\NTKernel\nt32.exe -rundll32 /SYSTEM32 C:\Windows\System32\taskmgr.exe %Program Files%\Microsoft\Windows" - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.