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Analysis
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max time kernel
132s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
06/03/2024, 02:23
General
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Target
Malemutes/Nonprecedent.ps1
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Size
52KB
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MD5
d70cc7a86c607e5511048fe2b3242bf9
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SHA1
7533500bfb680dc5fcea3e37fd2eca0385990376
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SHA256
9be2c4093ac767d9ec1aa035a7a8139fac9347068f303e1ef583b4d1f8dedd2b
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SHA512
05052e82d38f94ff7eb6ed89a7fd9041c20d03eba7d6d193c3fe85c628605c70fa8cb2dbb1e44ee721c8143bbcb6e5caf72c24acb134628d967e757b18d158ff
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SSDEEP
768:U2QEBkOK0lDYsewm+sJ1IpcWeTsoacVjEiaiEpacvbFDchyck95ipSDqgSVP:H+0lDYqZsbwxrcVjWircjkzk95ip7P
Malware Config
Signatures
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Modifies Installed Components in the registry 2 TTPs 1 IoCs
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 13 IoCs
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Suspicious use of FindShellTrayWindow 29 IoCs
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Suspicious use of SendNotifyMessage 22 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Malemutes\Nonprecedent.ps11⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c "set /A 1^^0"2⤵
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C:\Windows\system32\wermgr.exe"C:\Windows\system32\wermgr.exe" "-outproc" "2228" "1124"2⤵
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5c7dd07456dfb255b776c93e585ebc226
SHA119d94f641b43705585180ad4f3e4dfa651af2773
SHA2563c653069449c30357fb5e1565cb33379f17678762d0508cd0dbbda52b365abfd
SHA512615a5b573ffb8cf04ed9114154feaaf810263b60356179ffeda4fd4e7e47fe18a621198ea12ac3e36b564e21e09197960a9f80803682b7624f73d94c3f2dae48
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Filesize
512KB
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Filesize
512KB
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Filesize
512KB
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Filesize
512KB
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Filesize
9.6MB
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Filesize
512KB
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Filesize
9.6MB
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Filesize
32KB
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Filesize
512KB
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Filesize
16KB
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Filesize
2.9MB
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Filesize
9.6MB
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Filesize
4KB
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Filesize
4KB
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Filesize
64KB