Analysis
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max time kernel
82s -
max time network
80s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
20/01/2022, 14:41
General
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Target
EvilNominatusCrypto.exe
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Size
14KB
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MD5
8e23d84e5c58270136539c4cb3e604a4
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SHA1
4cc242e1f24af73d2a3e38e4ad103df0ae62d93c
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SHA256
01cec0306b25849804ac2770d877423d9f00adfae6217c72842630d18c048ba4
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SHA512
159cd61686bec5c83c529e69f1ce653c9b8176c386b0d28b192fa25f07c2784749855f27cd144e6c581c37fd411db857c1476777719feb6f6a291bf8acf4344f
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Disables RegEdit via registry modification
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry key 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of FindShellTrayWindow 64 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\EvilNominatusCrypto.exe"C:\Users\Admin\AppData\Local\Temp\EvilNominatusCrypto.exe"1⤵
- Modifies WinLogon for persistence
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f3⤵
- Modifies registry key
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
8KB
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Filesize
40KB
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Filesize
8KB
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Filesize
4KB
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Filesize
68KB
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Filesize
4KB