Analysis
- max time kernel
104s - max time network
103s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/06/2026, 05:58
Behavioral task
behavioral1
Sample
setup.exe
Resource
win10v2004-20260513-en
6 signatures
300 seconds
Behavioral task
behavioral2
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20260513-en
3 signatures
300 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
3 signatures
300 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/bass.dll
Resource
win10v2004-20260513-en
2 signatures
300 seconds
General
- Target $PLUGINSDIR/System.dll
- Size 11KB
- Sample260602-gn5fxaev81
- SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
- MD5 c17103ae9072a06da581dec998343fc1
- SHA1 b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
- SHA512 d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
- SSDEEP 192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw
- TLSH T1CA325C5993A0C1F3D5A0823C0D973A7B1779722016B14FA3CFA35842AE196D7AC7D227
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 2680 4804 WerFault.exe 85 - 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 3272 wrote to memory of 4804 3272 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4804 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 6123⤵
- Program crash
PID:2680
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4804 -ip 48041⤵PID:4268