Analysis
- max time kernel
149s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
17/10/2026, 05:02
Behavioral task
behavioral1
Sample
0b863493eb1fc02a3a98c76ef95d9d5986e67a6c0feb11692d26cd4923c2fbdb.dll
Resource
win10v2004-20260911-en
4 signatures
150 seconds
General
- Target 0b863493eb1fc02a3a98c76ef95d9d5986e67a6c0feb11692d26cd4923c2fbdb.dll
- Size 154KB
- Sample261017-fpfnhaas21
- SHA256 0b863493eb1fc02a3a98c76ef95d9d5986e67a6c0feb11692d26cd4923c2fbdb
- MD5 2e78df54771f450ed498246352f0f719
- SHA1 9c87d8ff3e85b12c27caec661e37f9b5be4ca0b9
- SHA512 7379ae0661567e235f0343db12cc289441cd60a15e39a8b897245fc427f8c51bb55a0d0b1142d1d442cca85e5423197699d96145df7f8ca3b7f566fdd5203d57
- SSDEEP 1536:ZxV5njYOpFw6V6jfAaynx8V13P3nPCBTeqJbIZ8sUedVu:ZVnUfZyxWAB6qJ8Z8sUedVu
- TLSH T100F32B336155D4B2E0261E7A45900B3CECB54B636DB60577EFE8EEF26EA8132CB5240D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
-
resource yara_rule behavioral1/memory/736-1-0x0000000010000000-0x0000000010027000-memory.dmp upx behavioral1/memory/736-0-0x0000000010000000-0x0000000010027000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 632 736 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 1 IoCs
description pid Process procid_target PID 3340 wrote to memory of 736 3340 rundll32.exe 86
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0b863493eb1fc02a3a98c76ef95d9d5986e67a6c0feb11692d26cd4923c2fbdb.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0b863493eb1fc02a3a98c76ef95d9d5986e67a6c0feb11692d26cd4923c2fbdb.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:736 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 5443⤵
- Program crash
PID:632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 736 -ip 7361⤵PID:2532