Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
09/10/2024, 01:56
Static task
static1
Behavioral task
behavioral1
Sample
86b6cfdcb0feccdea122debf61b51c1756e53def13a4468637539264ec35d208.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
86b6cfdcb0feccdea122debf61b51c1756e53def13a4468637539264ec35d208.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20241007-en
General
- Target $PLUGINSDIR/System.dll
- Size 11KB
- Sample241009-cc71fawbkd
- SHA256 4c86b238e64ecfaabe322a70fd78db229a663ccc209920f3385596a6e3205f78
- MD5 375e8a08471dc6f85f3828488b1147b3
- SHA1 1941484ac710fc301a7d31d6f1345e32a21546af
- SHA512 5ba29db13723ddf27b265a4548606274b850d076ae1f050c64044f8ccd020585ad766c85c3e20003a22f356875f76fb3679c89547b0962580d8e5a42b082b9a8
- SSDEEP 192:MPtkumJX7zB22kGwfy0mtVgkCPOs91un:9702k5qpds9Qn
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 5028 3976 WerFault.exe 83 - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3412 wrote to memory of 3976 3412 rundll32.exe 83 PID 3412 wrote to memory of 3976 3412 rundll32.exe 83 PID 3412 wrote to memory of 3976 3412 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3976 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 6123⤵
- Program crash
PID:5028
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3976 -ip 39761⤵PID:3988