Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
28/01/2024, 19:30
General
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Target
2024-01-28_8bb2d4eb86710dc03f5ae10b41794eca_cryptolocker.exe
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Size
57KB
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MD5
8bb2d4eb86710dc03f5ae10b41794eca
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SHA1
ecfcb7bc0fb7f4d004e9714642e01c8a68443cd5
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SHA256
e513f6a86c7c22f2f160b7eaca4e88899a3c607b4cf139dea845193db19a5859
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SHA512
dd5b0ed5c22043f6569ef77a881fe5dfa4413e02d3f4560d9d141fd0a3cd2232742778b444c2a3980fbfc50f1181f66652642c5b56d8b5b7f586ecb6f37dffea
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61PTt:BbdDmjr+OtEvwDpjMv
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\2024-01-28_8bb2d4eb86710dc03f5ae10b41794eca_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-28_8bb2d4eb86710dc03f5ae10b41794eca_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
57KB
MD56a3b72d69c054f6c3cc007c0d99b6478
SHA1442e41c355f8045b6a6759529b7b5fcecdae1a4e
SHA2560ad525edcbf3b36c77b0ed68af33b9e4f10decca67abcd481334f23bdf817c19
SHA5125bbea125c40c1a7006ada3c39f5fdde8e156a3fe3d2dee9e10bde71f1302e0b2243bc7362315ae91b697f92067e1ac6918c2bfafe49cc95eb798016a780a980c
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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