Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
01/07/2026, 16:03
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
_4b2eff9001a6b53c43b71e6632216679d9d4fd61814ac358a75cb32db9cc44b8.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
_4b2eff9001a6b53c43b71e6632216679d9d4fd61814ac358a75cb32db9cc44b8.exe
Resource
win11ltsc2024-20260630-en
15 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
win11ltsc2024-20260630-en
3 signatures
150 seconds
General
- Target $PLUGINSDIR/System.dll
- Size 12KB
- Sample260701-thhfeahy5r
- SHA256 b7823a15e7b1866ba3d77248f750b66505859d264cfc39d8c8c5e812f8ae4a81
- MD5 a1da6788aeaf78ca4ae1dece8019e49d
- SHA1 d770155e6e9aa69223be198c44a8da26a1756d89
- SHA512 eada9c1528563ddfe3d4d8ed5dbc52b85a9190765535b68da90e6d623288bf0090adac5118e1ed6e3cb3e0abb9af025d3a2a73121413a4471a90fd04bc861e18
- SSDEEP 192:uenY0qWTlt70IAj/lQ0sEWc/wtYbBH2aDybC7y+XBUIwL:u8+Qlt70Fj/lQRY/9Vjj+L
- TLSH T144428D1193B089F2F590583801A67F2A6FBEAC5C27E84963CFE341853D702DFA47A243
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 844 5108 WerFault.exe 85 - 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 4260 wrote to memory of 5108 4260 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:5108 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5108 -s 6123⤵
- Program crash
PID:844
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5108 -ip 51081⤵PID:2336