Analysis
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max time kernel
150s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
22/02/2024, 13:49
General
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Target
2024-02-22_61fbc929ec90699986fdfcbe67fc2c17_cryptolocker.exe
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Size
49KB
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MD5
61fbc929ec90699986fdfcbe67fc2c17
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SHA1
c58c898d6c5ed158f2487d8da0fbf84ffd261fd4
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SHA256
cce27755b99cfb2c219f5845a92e3e930242983df832f629f6bf4b9f026114ee
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SHA512
c97a4003ff5bc2a5cf749297fa718e063eae6df86fb2a0375b586808dd8530a8fa593ea68cfecf190eb7071c8b9f66201bfbf6e2f8be0defa20755e07b4bf866
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQPdUv1:BbdDmjr+OtEvwDpjMX8
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 IoCs
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UPX dump on OEP (original entry point) 5 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-22_61fbc929ec90699986fdfcbe67fc2c17_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_61fbc929ec90699986fdfcbe67fc2c17_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
49KB
MD5bd15c20ae0827c77e883956164f53cc2
SHA19c795e1aa7f517b8ac69e295915740ab33b900a5
SHA256a674a7950d921374dd3a41ebd55ab8a3e1340a9f688636491cdfc1512d068ee8
SHA5124fb20145e2db7f4eda45a31c29cdaa6102cbe23d11f31eec32cc2a3a31a42e471dd4cf420771207c5a7fef04b740075abaeea9bb094efb7bedc05640142491f1
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB