Analysis
- max time kernel
149s - max time network
104s - platform
windows11-21h2_x64 - resource
win11-20251015-en - resource tags
arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system - submitted
17/10/2025, 06:04
Static task
static1
Behavioral task
behavioral1
Sample
251378.exe
Resource
win10v2004-20251016-en
Behavioral task
behavioral2
Sample
251378.exe
Resource
win11-20250619-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20251016-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11-20251015-en
Behavioral task
behavioral5
Sample
Overdiversifies/Thailndernes/Arrestforvarerens/explains.com
Resource
win10v2004-20250619-en
Behavioral task
behavioral6
Sample
Overdiversifies/Thailndernes/Arrestforvarerens/explains.com
Resource
win11-20251015-en
General
- Target $PLUGINSDIR/System.dll
- Size 12KB
- Sample251017-gsv32axp14
- SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
- MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
- SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
- SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
- SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 5376 2040 WerFault.exe 78 - 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 6040 wrote to memory of 2040 6040 rundll32.exe 78 PID 6040 wrote to memory of 2040 6040 rundll32.exe 78 PID 6040 wrote to memory of 2040 6040 rundll32.exe 78
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:6040 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2040 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 4683⤵
- Program crash
PID:5376
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 2040 -ip 20401⤵PID:4776