Analysis
- max time kernel
148s - max time network
115s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/08/2026, 09:26
Behavioral task
behavioral1
Sample
764ef8523d5ab4f0bccae53480bbb507748d95692da2823b42eb214c0dad82e9.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
764ef8523d5ab4f0bccae53480bbb507748d95692da2823b42eb214c0dad82e9.exe
Resource
win11ltsc2024-20260709-en
9 signatures
150 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
3 signatures
150 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
3 signatures
150 seconds
General
- Target $PLUGINSDIR/System.dll
- Size 12KB
- Sample260831-lefhms1xes
- SHA256 a44ca08afb3f6bafd76aa35c259f3d599fe34f6f49ea5118626c1c1a540b0f03
- MD5 81e268e27dbbcadbf116b5a9402195ab
- SHA1 bd2b701b2e5e279786e179bceee2dc132a2afc37
- SHA512 784115c69df4a6f180efb4d48cf5c6e8c2393b8ce9aa664f192abf5a260984880c668dd0f93564126d2fc718130570c4f6224d1373d73bcb8343f04f6ede25de
- SSDEEP 192:VFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/d93:97pJp48F2exrg5F/d
- TLSH T10C424B1583618EF3F5961E3C00667E2F2B79BE3416F104A39FE34481AD9A1CF99B5392
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 4064 2004 WerFault.exe 88 - 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 3184 wrote to memory of 2004 3184 rundll32.exe 88
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3184 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2004 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 5123⤵
- Program crash
PID:4064
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2004 -ip 20041⤵PID:3464