Analysis
- max time kernel
148s - max time network
113s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/08/2026, 17:32
Behavioral task
behavioral1
Sample
20b68768e78e13a185dc065380896a164dd5851817a2d52463d19c7251164a23.dll
Resource
win10v2004-20260513-en
4 signatures
150 seconds
General
- Target 20b68768e78e13a185dc065380896a164dd5851817a2d52463d19c7251164a23.dll
- Size 1.6MB
- Sample260825-v4px2stshx
- SHA256 20b68768e78e13a185dc065380896a164dd5851817a2d52463d19c7251164a23
- MD5 2359523dd661698da57bf305bfaf39df
- SHA1 243542d3c5a638660492d14d017cbf8d641d3136
- SHA512 e6df52193de7630c771c623ba0a847b003712159814b6467e2b0957ccb1f9f8904593ff6b600be751d8873683e76fc3d22726bbd9eca98b738cbf92ddac174e5
- SSDEEP 49152:2wT1qD7FpulD7xXR5et+fjbQ0NOgOSBa5+xmvaL9D:1q7FpulD7JR57HdQeB1mvaV
- TLSH T1957533A3CC75847AF6933D384F19F9D4265A30212D8230A98F11CBA78579DCBB785F4A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/1732-0-0x0000000074690000-0x0000000074859000-memory.dmp upx behavioral2/memory/1732-1-0x0000000074690000-0x0000000074859000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 6100 1732 WerFault.exe 89 - 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 2484 wrote to memory of 1732 2484 rundll32.exe 89
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\20b68768e78e13a185dc065380896a164dd5851817a2d52463d19c7251164a23.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2484 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\20b68768e78e13a185dc065380896a164dd5851817a2d52463d19c7251164a23.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1732 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 5883⤵
- Program crash
PID:6100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1732 -ip 17321⤵PID:1868