Analysis
- max time kernel
100s - max time network
103s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system - submitted
01/08/2025, 01:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
7b232254d4b4be67111e92f5c2e34bc331403393c2d01.exe
Resource
win10v2004-20250502-en
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
7b232254d4b4be67111e92f5c2e34bc331403393c2d01.exe
Resource
win11-20250619-en
17 signatures
150 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20250619-en
3 signatures
150 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20250619-en
3 signatures
150 seconds
General
- Target $PLUGINSDIR/nsExec.dll
- Size 6KB
- Sample250801-bs821a1zat
- 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 740 1800 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 5264 wrote to memory of 1800 5264 rundll32.exe 78 PID 5264 wrote to memory of 1800 5264 rundll32.exe 78 PID 5264 wrote to memory of 1800 5264 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:5264 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1800 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 4683⤵
- Program crash
PID:740
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1800 -ip 18001⤵PID:5764