Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
22-05-2024 23:23
General
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Target
2024-05-22_25edd43f54612e7e9f2ae024bb6dbbba_cryptolocker.exe
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Size
57KB
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MD5
25edd43f54612e7e9f2ae024bb6dbbba
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SHA1
4dd88058ad4829f9ec1ea22837b36915c10817c8
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SHA256
ac3df1a34c08b948ba9ba59c29e8608007d1dd9ccf0edb13ec163c2f07274e7d
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SHA512
9ad0753877984d603826da4c397c5f1f236ff493e838da3b356e1919c7d78e9b2fc7bbf6c5d4c9003430c7becbc7d5011261cacb93b46f6b90c5ea453acfb9d1
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb6ImpyR:BbdDmjr+OtEvwDpjM+
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\2024-05-22_25edd43f54612e7e9f2ae024bb6dbbba_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-22_25edd43f54612e7e9f2ae024bb6dbbba_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
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
57KB
MD5b4d4f1f2db17df17f750aa6c8127bf04
SHA1fa1f1dd2aad68bdbce8afe4d0ec7b344ef1a3ab2
SHA25620b2d0e61d60557914b66b2bbcf55d217c820cd579b371857a10a931cf9e4da2
SHA512bbdebb1d5d49e3dae8e8a9837345228ee8cd9123f5605b221bfbf07e4f00af4b896d6e9557345c595e7d00b90d557d7fc388a371f1fd9cd19dc384a16a17b499
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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