Analysis
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max time kernel
144s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
17/02/2024, 15:39
General
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Target
2024-02-17_cfe827fffe2b43ac2bce76386927b6f8_cryptolocker.exe
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Size
59KB
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MD5
cfe827fffe2b43ac2bce76386927b6f8
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SHA1
40717666f3e8bf7dd7de66a6a88cdddc0301b378
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SHA256
31a9d2a89ebb305baf4900ad47c8f0016a0e324b4f156ea989a54dd7d195ca2c
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SHA512
9f3bf2768c57670c101e907b47ff9d1bdd58f1112f5b63feab25c6e2ca9e445f316e9c3432f4272930846f3786830680abb4a99f73c4541c53b90e47654a7943
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsH:BbdDmjr+OtEvwDpjM8f
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 2 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\2024-02-17_cfe827fffe2b43ac2bce76386927b6f8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-17_cfe827fffe2b43ac2bce76386927b6f8_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
60KB
MD583e35e4e519f423c072a57354e1946d6
SHA13e2f61b68afcd7b9987e372dd7222e1365703294
SHA25673e1d123f2d0d27dc2f443caccab8a616892a83d83a0877141b6167f290d126d
SHA512184024a5957bbd6ce96be11dbdd62ada62e74e0401f96ebf3ebedb5c104e0d5811f41a75b2933ce13a53bfd168bb45d1f1d758be692cd28dd49f2e781a66fcf2
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Filesize
64KB
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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
24KB
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Filesize
64KB