Analysis
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max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
11/05/2024, 18:54
General
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Target
2024-05-11_78ad9d04cc926416d8d30c7c93c574c9_cryptolocker.exe
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Size
50KB
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MD5
78ad9d04cc926416d8d30c7c93c574c9
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SHA1
80e145c36bebf2f71abcd5cf425b9c490dee6899
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SHA256
295ff556b971a84c2aa888ea0d7a04dd6b76870f652e8bf7c52ee4155d523c06
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SHA512
f14fcf8642b4ea9c8dfc5f67fb62f13c498c4d948edfcc86d69c3b1cf8a1da847972ce33f5db5b4a6cadfbc3b322e9caed294429dc7411488b6fef6fa6a75376
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SSDEEP
768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2Moccl:qmbhXDmjr5MOtEvwDpj5cDtKkQZQz
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 IoCs
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UPX dump on OEP (original entry point) 4 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\2024-05-11_78ad9d04cc926416d8d30c7c93c574c9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-11_78ad9d04cc926416d8d30c7c93c574c9_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
50KB
MD585897b628e8f26cfb8ee252a89766a80
SHA13851a45fa1529a38f9b8d8d9acfa689b0ac4d381
SHA256efa52cae78b309c8165eaec993ba4f6c41af0bb38e384b06bfb4cb219faa7461
SHA51267475e994b74fd188e10fa289f0da2e9330b95598582b41317c07d102a5d08c153b95d5b90ab14788c1f5db24e2b3796ccd69b8c800ec740c4c5a14ed7a65da7
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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
24KB
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Filesize
24KB
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Filesize
64KB