Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260129-en - resource tags
arch:x64arch:x86image:win10v2004-20260129-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
06/03/2026, 14:35
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
c8e7a02f038692b718562729a122e39e64cad6f27d0396bbf157cfbcc90ba7d7.exe
Resource
win10v2004-20260130-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
c8e7a02f038692b718562729a122e39e64cad6f27d0396bbf157cfbcc90ba7d7.exe
Resource
win11-20260130-en
15 signatures
150 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260129-en
3 signatures
150 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260130-en
3 signatures
150 seconds
General
- Target $PLUGINSDIR/System.dll
- Size 12KB
- Sample260306-rybaxsav7x
- SHA256 6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba
- MD5 8cf2ac271d7679b1d68eefc1ae0c5618
- SHA1 7cc1caaa747ee16dc894a600a4256f64fa65a9b8
- SHA512 ce828fb9ecd7655cc4c974f78f209d3326ba71ced60171a45a437fc3fff3bd0d69a0997adaca29265c7b5419bdea2b17f8cc8ceae1b8ce6b22b7ed9120bb5ad3
- SSDEEP 192:BenY0qWTlt70IAj/lQ0sEWc/wtYbBH2aDybC7y+XB9IwL:B8+Qlt70Fj/lQRY/9VjjlL
- TLSH T121427D1193B089F2F590593805A67F2A6FBEAC6C27E44963CFE345853D702DFA47A243
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 4224 1396 WerFault.exe 86 - 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 1 IoCs
description pid Process procid_target PID 4108 wrote to memory of 1396 4108 rundll32.exe 86
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4108 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1396 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 6123⤵
- Program crash
PID:4224
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1396 -ip 13961⤵PID:1312