Analysis
- max time kernel
149s - max time network
133s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
03/06/2026, 12:19
Behavioral task
behavioral1
Sample
mimilib.dll
Resource
win10v2004-20260513-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
mimilib.dll
Resource
win11-20260513-en
3 signatures
150 seconds
General
- Target mimilib.dll
- Size 31KB
- Sample260603-pg92taex3x
- SHA256 e60c210687e79347d06f9a144ee84417ba9ac4c1f303720f2fe4509734d670d6
- MD5 46e598798bdde4c72e796edcf2317b52
- SHA1 e00efa11ab8464e665f2a1d526e94cca5c71d9fa
- SHA512 c384fe4cd20dc97b53a26593d30b6c5d8d3665f957019b555bad956cc4e238b50216f47af7fa4ad9bd03d30d323b811aa0e32dcea2e25a9df6855a65dcea9a9d
- SSDEEP 384:ZPqreMGv6SqMDjuPRjL9sapJcos+uOiZESsQDygQ2Unn7PAss3sWqWyXO4hMnAl3:lrEdpJLFiq3GO7bs3sdEFyQejil0Tn
- TLSH T19DE22A115B140CF1FBE2123474AF3F22AA7D592449A509E7FE8F05990F597A2BB3A343
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 3948 4280 WerFault.exe 81 - 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 1680 wrote to memory of 4280 1680 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mimilib.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mimilib.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4280 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 4803⤵
- Program crash
PID:3948
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4280 -ip 42801⤵PID:3292