Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
04/02/2024, 14:24
General
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Target
2024-02-04_2b573c9a242cd36b4b4cbe94f6e1cfde_cryptolocker.exe
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Size
46KB
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MD5
2b573c9a242cd36b4b4cbe94f6e1cfde
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SHA1
5db805d206f55bb75f139801c92a899598f3fffa
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SHA256
85a4afa1a69bfcbaf4a64f79e25abd88955828cbf78a1340cdf4d6a3ab3ff33a
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SHA512
4d2e5cdff218bc22d6755e81cd826c42256b6b2d361141624291fbb05ac89bd9d8b38a97373d628c12c73d11c89f440166933fedecb9178f74155d61f93e0e54
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SSDEEP
768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2Mo22M:qmbhXDmjr5MOtEvwDpj5cDtKkQZQJM
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\2024-02-04_2b573c9a242cd36b4b4cbe94f6e1cfde_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-04_2b573c9a242cd36b4b4cbe94f6e1cfde_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
46KB
MD5b483b3aece36a564ee94888a925516e1
SHA1a56a2e318a2777b344cf411ee8f11c52f6bc0b16
SHA2560e98dec7a7ed92d1bcddd757a6b099ef51332ce30dd7bdb2c8c37ab374346798
SHA512417ce86f1ab5fd546024f41a74bbe174c2ba54389403525a34985134b78af356c43f7c05a5c06b3b8c48cc24d93cff6035243e20bec47c6802202870168c917c
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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