Trojan.Win32.Inject.aafkb (Kaspersky), Trojan.Generic.17283692 (B) (Emsisoft), Trojan.Generic.17283692 (AdAware), Backdoor.Win32.Farfli.FD, Backdoor.Win32.PcClient.FD (Lavasoft MAS)Behaviour: Trojan, Backdoor
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 943253e069fd6ceecf3468ff30701892
SHA1: 96cb7e8af6c9977dd245e9199ab133c1c6589728
SHA256: 35d013427faa0e16e78b1b164f896cc78cc4dc3e0eebf0174e9daf5516c63bdb
SSDeep: 12288:SQfXWJsW7lerECtu4aLgbqu6khVc0qI7oe3gPqWelbKS2K732LZRvdNCxx9eSG:SQv perrOUj6k7ZqC30jSTj2L3X4qS
Size: 983040 bytes
File type: EXE
Platform: WIN32
Entropy: Probably Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2013-08-22 07:01:48
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):
wscript.exe:1144
%original file name%.exe:1552
rundll32.exe:1824
dJNOYcYKDVGJgUUWgCJhC.cmd:344
dumprep.exe:204
dumprep.exe:1416
The Trojan injects its code into the following process(es):
svchost.exe:1176
Mutexes
The following mutexes were created/opened:No objects were found.
File activity
The process %original file name%.exe:1552 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\dJNOYcYKDVGJgUUWgCJ (803 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\cAcVVLEUOOiP (5524 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\dJNOYcYKDVGJgUUWgCJhC.cmd (13304 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\dJNOYcYKDVGJgUUWgCJ (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\cAcVVLEUOOiP (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\dJNOYcYKDVGJgUUWgCJhC.cmd (0 bytes)
The process dJNOYcYKDVGJgUUWgCJhC.cmd:344 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\dJNOYcYKDVGJgUUWgCJ (48 bytes)
%Documents and Settings%\%current user%\Application Data\cAcVVLEUOOiP (1425 bytes)
%Documents and Settings%\%current user%\Application Data\dJNOYcYKDVGJgUUWgCJhC.cmd (5441 bytes)
The process dumprep.exe:204 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\WER8feb.dir00\svchost.exe.mdmp (65793 bytes)
The process dumprep.exe:1416 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\WER8feb.dir00\svchost.exe.hdmp (117780 bytes)
Registry activity
The process wscript.exe:1144 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "AA A1 84 18 26 A5 36 AC A9 85 9D 5C ED 7F 41 33"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[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"
The process %original file name%.exe:1552 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "07 8E D1 65 76 39 E8 E7 1B BB C9 25 2E 7B C5 DF"
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\RunOnce]
"wextract_cleanup0" = "rundll32.exe %System%\advpack.dll,DelNodeRunDLL32 C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\IXP000.TMP\"
The Trojan deletes the following value(s) in system registry:
The Trojan disables automatic startup of the application by deleting the following autorun value:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce]
"wextract_cleanup0"
The process rundll32.exe:1824 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "50 0D B4 3A E3 F0 A3 52 F9 D0 7D 3B 19 A7 2B 4E"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%System%]
"svchost.exe" = "Generic Host Process for Win32 Services"
[HKLM\System\CurrentControlSet\Control\Session Manager\AppCompatibility]
"AppCompatCache" = "EF BE AD DE 60 00 00 00 00 00 00 00 00 00 00 00"
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers\%System%]
"svchost.exe" = "EnableNXShowUI"
The process dJNOYcYKDVGJgUUWgCJhC.cmd:344 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F5 3D 18 C8 2D 7A 9E EF 9C A5 33 35 41 C2 18 0E"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Startup" = "%Documents and Settings%\%current user%\Start Menu\Programs\Startup"
[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"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
The process dumprep.exe:204 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "5C 7F 57 EC 16 ED BA 13 80 B3 E8 FE B6 ED 1F B7"
The process dumprep.exe:1416 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 D7 13 E9 F6 CA E1 10 24 27 22 81 E9 05 AF 4F"
Dropped PE files
MD5 | File path |
---|---|
71d8f6d5dc35517275bc38ebcc815f9f | c:\Documents and Settings\"%CurrentUserName%"\Application Data\dJNOYcYKDVGJgUUWgCJhC.cmd |
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):
wscript.exe:1144
%original file name%.exe:1552
rundll32.exe:1824
dJNOYcYKDVGJgUUWgCJhC.cmd:344
dumprep.exe:204
dumprep.exe:1416 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\dJNOYcYKDVGJgUUWgCJ (803 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\cAcVVLEUOOiP (5524 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\dJNOYcYKDVGJgUUWgCJhC.cmd (13304 bytes)
%Documents and Settings%\%current user%\Application Data\dJNOYcYKDVGJgUUWgCJ (48 bytes)
%Documents and Settings%\%current user%\Application Data\cAcVVLEUOOiP (1425 bytes)
%Documents and Settings%\%current user%\Application Data\dJNOYcYKDVGJgUUWgCJhC.cmd (5441 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\WER8feb.dir00\svchost.exe.mdmp (65793 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\WER8feb.dir00\svchost.exe.hdmp (117780 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce]
"wextract_cleanup0" = "rundll32.exe %System%\advpack.dll,DelNodeRunDLL32 C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\IXP000.TMP\" - Reboot the computer.
Static Analysis
VersionInfo
Company Name:
Product Name:
Product Version:
Legal Copyright:
Legal Trademarks:
Original Filename:
Internal Name:
File Version:
File Description:
Comments:
Language: Language Neutral
Company Name: Product Name: Product Version: Legal Copyright: Legal Trademarks: Original Filename: Internal Name: File Version: File Description: Comments: Language: Language Neutral
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
.text | 4096 | 26060 | 26112 | 4.42534 | ec6c00d0dbffd0aaf40d629cdc5fbbf7 |
.data | 32768 | 6796 | 1024 | 2.20139 | 317f8a934ee443eee01c2a315bde9ca1 |
.idata | 40960 | 4216 | 4608 | 3.49941 | d8675ba112ef922c6057a02546757a1a |
.rsrc | 49152 | 945004 | 945152 | 4.8651 | 7072aa5de87724cdaee29b4bd6cbb9e2 |
.reloc | 995328 | 5038 | 5120 | 2.58043 | 83de2f9b2c95be6fea06bced7e8a058e |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
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
svchost.exe_1176:
.text
.text
`.data
`.data
.rsrc
.rsrc
ADVAPI32.dll
ADVAPI32.dll
KERNEL32.dll
KERNEL32.dll
NTDLL.DLL
NTDLL.DLL
RPCRT4.dll
RPCRT4.dll
NETAPI32.dll
NETAPI32.dll
ole32.dll
ole32.dll
ntdll.dll
ntdll.dll
RegCloseKey
RegCloseKey
RegOpenKeyExW
RegOpenKeyExW
GetProcessHeap
GetProcessHeap
NtOpenKey
NtOpenKey
svchost.pdb
svchost.pdb
\PIPE\
\PIPE\
Software\Microsoft\Windows NT\CurrentVersion\Svchost
Software\Microsoft\Windows NT\CurrentVersion\Svchost
\Registry\Machine\System\CurrentControlSet\Control\SecurePipeServers\
\Registry\Machine\System\CurrentControlSet\Control\SecurePipeServers\
5.1.2600.5512 (xpsp.080413-2111)
5.1.2600.5512 (xpsp.080413-2111)
svchost.exe
svchost.exe
Windows
Windows
Operating System
Operating System
5.1.2600.5512
5.1.2600.5512
svchost.exe_1176_rwx_000A9000_00001000:
%s:%u
%s:%u
svchost.exe_1176_rwx_000D5000_00003000:
.?AV?$TinyList@VWindowEntry@VNCWindows@@@@
.?AV?$TinyList@VWindowEntry@VNCWindows@@@@
{4A4286B0-3652-472E-937F-0BD1B35D4E5B}
{4A4286B0-3652-472E-937F-0BD1B35D4E5B}
%Documents and Settings%\%current user%\Application Data\Microsoft\{4A4286B0-3652-472E-937F-0BD1B35D4E5B}
%Documents and Settings%\%current user%\Application Data\Microsoft\{4A4286B0-3652-472E-937F-0BD1B35D4E5B}
%Documents and Settings%\%current user%\Application Data\Microsoft\{4A4286B0-3652-472E-937F-0BD1B35D4E5B}\dd4b21e9.exe
%Documents and Settings%\%current user%\Application Data\Microsoft\{4A4286B0-3652-472E-937F-0BD1B35D4E5B}\dd4b21e9.exe
\??\%Documents and Settings%\%current user%\Application Data\Microsoft\{4A4286B0-3652-472E-937F-0BD1B35D4E5B}
\??\%Documents and Settings%\%current user%\Application Data\Microsoft\{4A4286B0-3652-472E-937F-0BD1B35D4E5B}
%System%\wscript.exe
%System%\wscript.exe
\REGISTRY\USER\S-1-5-21-1844237615-1960408961-1801674531-1003\SOFTWARE\Microsoft\Windows\CurrentVersion
\REGISTRY\USER\S-1-5-21-1844237615-1960408961-1801674531-1003\SOFTWARE\Microsoft\Windows\CurrentVersion
\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
\REGISTRY\USER\S-1-5-21-1844237615-1960408961-1801674531-1003\Software\Microsoft\Windows\CurrentVersion\Run
\REGISTRY\USER\S-1-5-21-1844237615-1960408961-1801674531-1003\Software\Microsoft\Windows\CurrentVersion\Run
\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run
\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run
\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion
\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion
%Documents and Settings%\%current user%\Application Data
%Documents and Settings%\%current user%\Application Data
%WinDir%\System32
%WinDir%\System32
svchost.exe_1176_rwx_01000000_00006000:
.text
.text
`.data
`.data
.rsrc
.rsrc
ADVAPI32.dll
ADVAPI32.dll
KERNEL32.dll
KERNEL32.dll
NTDLL.DLL
NTDLL.DLL
RPCRT4.dll
RPCRT4.dll
NETAPI32.dll
NETAPI32.dll
ole32.dll
ole32.dll
ntdll.dll
ntdll.dll
RegCloseKey
RegCloseKey
RegOpenKeyExW
RegOpenKeyExW
GetProcessHeap
GetProcessHeap
NtOpenKey
NtOpenKey
svchost.pdb
svchost.pdb
\PIPE\
\PIPE\
Software\Microsoft\Windows NT\CurrentVersion\Svchost
Software\Microsoft\Windows NT\CurrentVersion\Svchost
\Registry\Machine\System\CurrentControlSet\Control\SecurePipeServers\
\Registry\Machine\System\CurrentControlSet\Control\SecurePipeServers\
5.1.2600.5512 (xpsp.080413-2111)
5.1.2600.5512 (xpsp.080413-2111)
svchost.exe
svchost.exe
Windows
Windows
Operating System
Operating System
5.1.2600.5512
5.1.2600.5512
rundll32.exe_1824:
.text
.text
`.data
`.data
.rsrc
.rsrc
msvcrt.dll
msvcrt.dll
KERNEL32.dll
KERNEL32.dll
NTDLL.DLL
NTDLL.DLL
GDI32.dll
GDI32.dll
USER32.dll
USER32.dll
IMAGEHLP.dll
IMAGEHLP.dll
rundll32.pdb
rundll32.pdb
.....eZXnnnnnnnnnnnn3
.....eZXnnnnnnnnnnnn3
....eDXnnnnnnnnnnnn3
....eDXnnnnnnnnnnnn3
...eDXnnnnnnnnnnnn,
...eDXnnnnnnnnnnnn,
.eDXnnnnnnnnnnnn,
.eDXnnnnnnnnnnnn,
%Xnnnnnnnnnnnnnnn1
%Xnnnnnnnnnnnnnnn1
O3$dS7"%U9
O3$dS7"%U9
.manifest
.manifest
5.1.2600.5512 (xpsp.080413-2105)
5.1.2600.5512 (xpsp.080413-2105)
RUNDLL.EXE
RUNDLL.EXE
Windows
Windows
Operating System
Operating System
5.1.2600.5512
5.1.2600.5512
YThere is not enough memory to run the file %s.
YThere is not enough memory to run the file %s.
Please close other windows and try again.
Please close other windows and try again.
9The file %s or one of its components could not be opened.
9The file %s or one of its components could not be opened.
0The file %s or one of its components cannot run.
0The file %s or one of its components cannot run.
MThe file %s or one of its components requires a different version of Windows.
MThe file %s or one of its components requires a different version of Windows.
UThe file %s or one of its components cannot run in standard or enhanced mode Windows.3Another instance of the file %s is already running./An exception occurred while trying to run "%s"
UThe file %s or one of its components cannot run in standard or enhanced mode Windows.3Another instance of the file %s is already running./An exception occurred while trying to run "%s"
Error in %s
Error in %s
Missing entry:%s
Missing entry:%s
Error loading %s
Error loading %s