Analysis
- max time kernel
106s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system - submitted
18/07/2025, 12:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
setup.exe
Resource
win10v2004-20250610-en
20 signatures
150 seconds
Behavioral task
behavioral2
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20250619-en
3 signatures
150 seconds
General
- Target $PLUGINSDIR/nsExec.dll
- Size 6KB
- Sample250718-phdd8sfl4z
- 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 1676 1468 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 3 IoCs
description pid Process procid_target PID 5612 wrote to memory of 1468 5612 rundll32.exe 86 PID 5612 wrote to memory of 1468 5612 rundll32.exe 86 PID 5612 wrote to memory of 1468 5612 rundll32.exe 86
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5612 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1468 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 6123⤵
- Program crash
PID:1676
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1468 -ip 14681⤵PID:316