Overview
overview
10Static
static
10Win32/mimidrv.sys
windows11-21h2-x64
10Win32/mimikatz.exe
windows11-21h2-x64
3Win32/mimilib.dll
windows11-21h2-x64
3Win32/mimilove.exe
windows11-21h2-x64
3Win32/mimispool.dll
windows11-21h2-x64
3x64/mimidrv.sys
windows11-21h2-x64
10x64/mimikatz.exe
windows11-21h2-x64
1x64/mimilib.dll
windows11-21h2-x64
1x64/mimispool.dll
windows11-21h2-x64
1Analysis
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max time kernel
449s -
max time network
451s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
04-10-2024 21:57
Behavioral task
behavioral1
Sample
Win32/mimidrv.sys
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
Win32/mimikatz.exe
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
Win32/mimilib.dll
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
Win32/mimilove.exe
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
Win32/mimispool.dll
Resource
win11-20240802-en
Behavioral task
behavioral6
Sample
x64/mimidrv.sys
Resource
win11-20240802-en
Behavioral task
behavioral7
Sample
x64/mimikatz.exe
Resource
win11-20240802-en
Behavioral task
behavioral8
Sample
x64/mimilib.dll
Resource
win11-20240802-en
Behavioral task
behavioral9
Sample
x64/mimispool.dll
Resource
win11-20240802-en
General
-
Target
Win32/mimilib.dll
-
Size
31KB
-
MD5
46e598798bdde4c72e796edcf2317b52
-
SHA1
e00efa11ab8464e665f2a1d526e94cca5c71d9fa
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SHA256
e60c210687e79347d06f9a144ee84417ba9ac4c1f303720f2fe4509734d670d6
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SHA512
c384fe4cd20dc97b53a26593d30b6c5d8d3665f957019b555bad956cc4e238b50216f47af7fa4ad9bd03d30d323b811aa0e32dcea2e25a9df6855a65dcea9a9d
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SSDEEP
384:ZPqreMGv6SqMDjuPRjL9sapJcos+uOiZESsQDygQ2Unn7PAss3sWqWyXO4hMnAl3:lrEdpJLFiq3GO7bs3sdEFyQejil0Tn
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2816 2104 WerFault.exe 78 -
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.
Processes:
rundll32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 3484 wrote to memory of 2104 3484 rundll32.exe 78 PID 3484 wrote to memory of 2104 3484 rundll32.exe 78 PID 3484 wrote to memory of 2104 3484 rundll32.exe 78
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Win32\mimilib.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3484 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Win32\mimilib.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2104 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 4803⤵
- Program crash
PID:2816
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2104 -ip 21041⤵PID:1148