Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
20-03-2024 02:44
General
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Target
2024-03-20_1b2a0ae1b50c8e8cdf728d98fbc7ad61_cryptolocker.exe
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Size
45KB
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MD5
1b2a0ae1b50c8e8cdf728d98fbc7ad61
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SHA1
bb63fad1d97079fb2ddbbe827a242762172d0bcd
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SHA256
887aac81197ce576c4f6418072c7bcc8ec81b00a40825df026e1d0958be9c536
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SHA512
29525fe16295835eb8d779d4a26b1c3649745702aa012e3309285a0d2fd29f91e3ac92cdb2b628876007bf7e833bfac3413cb38c8997efdc95af7631a26e16db
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SSDEEP
768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2MoA0:qmbhXDmjr5MOtEvwDpj5cDtKkQZQ1
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\2024-03-20_1b2a0ae1b50c8e8cdf728d98fbc7ad61_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-20_1b2a0ae1b50c8e8cdf728d98fbc7ad61_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
45KB
MD596baa424e194f149d5b210285970d75e
SHA1e9bc689c91563ed89eccf3985bfed2278b17f36c
SHA256691c6880c509f577a8d1904b07434a7ece2405ab57082022d06dddbb410baf87
SHA5127401287eeb46b59bab3fcb496afac1bdf815d915eeefee4d8fa66c275d7260d4471db58b78fc472f652cfc1a681b7be9d54b84177ca97839bf562154b81eed89
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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