Analysis
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max time kernel
361s -
max time network
365s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
19-02-2024 16:42
Static task
static1
Behavioral task
behavioral1
Sample
MrsMajor 3.0.7z
Resource
win7-20231215-en
windows7-x64
5 signatures
600 seconds
Behavioral task
behavioral2
Sample
MrsMajor 3.0.7z
Resource
win10v2004-20231215-en
windows10-2004-x64
6 signatures
600 seconds
General
-
Target
MrsMajor 3.0.7z
-
Size
234KB
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MD5
fedb45ddbd72fc70a81c789763038d81
-
SHA1
f1ed20c626d0a7ca2808ed768e7d7b319bc4c84a
-
SHA256
eacd5ed86a8ddd368a1089c7b97b791258e3eeb89c76c6da829b58d469f654b2
-
SHA512
813c0367f3aeceea9be02ffad4bfa8092ea44b428e68db8f3f33e45e4e5e53599d985fa79a708679b6957cbd04d9b9d67b288137fa71ac5a59e917b8792c8298
-
SSDEEP
6144:HMMAgnxjSgdHCueEVIzAMAcqXvYEC86TFSQ:HagxjSg1xrIzAMAcuI5TFT
Score
3/10
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
7zFM.exepid process 1892 7zFM.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
7zFM.exedescription pid process Token: SeRestorePrivilege 1892 7zFM.exe Token: 35 1892 7zFM.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
7zFM.exepid process 1892 7zFM.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
cmd.exedescription pid process target process PID 2236 wrote to memory of 1892 2236 cmd.exe 7zFM.exe PID 2236 wrote to memory of 1892 2236 cmd.exe 7zFM.exe PID 2236 wrote to memory of 1892 2236 cmd.exe 7zFM.exe
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\MrsMajor 3.0.7z"1⤵
- Suspicious use of WriteProcessMemory
PID:2236 -
C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\MrsMajor 3.0.7z"2⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1892