Analysis
- max time kernel
147s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
25/06/2024, 00:36
General
- Target 2024-06-25_b3a8f79153a533b59f5fdb93d312e7ab_ryuk.exe
- Size 3.8MB
- Sample240625-ayd85stfrl
- SHA256 90644163fc31572470ba4de120f7d1876a391958b8060e247e12238359360f60
Score
10/10
Malware Config
Extracted
Family
-
metasploit
Version
-
metasploit_stager
C2
-
201.51.194.229:8080
Signatures
- MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-25_b3a8f79153a533b59f5fdb93d312e7ab_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-25_b3a8f79153a533b59f5fdb93d312e7ab_ryuk.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2024-06-25_b3a8f79153a533b59f5fdb93d312e7ab_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-25_b3a8f79153a533b59f5fdb93d312e7ab_ryuk.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\appdata\local\temp\avg.exe"C:\Users\Admin\appdata\local\temp\avg.exe"3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
_hashlib.pyd
goku.exe.manifest
msvcr90.dll
python27.dll
avg.exe
memory/2024-27-0x0000000140000000-0x0000000140004278-memory.dmp