Analysis
- max time kernel
149s - max time network
131s - platform
windows11-21h2_x64 - resource
win11-20250610-en - resource tags
arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system - submitted
03/12/2025, 18:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
_17f1708d36917a3095a76e3c6dc49d345fb0d95309894ca3ac54097f2e22d104.exe
Resource
win10v2004-20251016-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
_17f1708d36917a3095a76e3c6dc49d345fb0d95309894ca3ac54097f2e22d104.exe
Resource
win11-20251015-en
17 signatures
150 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20251016-en
3 signatures
150 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20250610-en
3 signatures
150 seconds
General
- Target $PLUGINSDIR/nsExec.dll
- Size 6KB
- Sample251203-wp3e9ssjb1
- SHA256 8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af
- MD5 08e9796ca20c5fc5076e3ac05fb5709a
- SHA1 07971d52dcbaa1054060073571ced046347177f7
- SHA512 02618317d6ab0302324aae4d3c5fca56b21e68c899e211cfa9412cf73820a1f931e56753c904fd7e510c638b4463aedbfe9536790279e096ea0387b67013e0c4
- SSDEEP 96:/Uspq2y5jOEEQrhySvUgfj74/vvrTBzfYZA4YF3Telac1nIq/2:/erjOELhySv5f2vvBjiAflaB1nIq
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 2360 6024 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 1 IoCs
description pid Process procid_target PID 4824 wrote to memory of 6024 4824 rundll32.exe 78
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4824 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:6024 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 6024 -s 4683⤵
- Program crash
PID:2360
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 6024 -ip 60241⤵PID:6036