Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
12-03-2024 19:31
General
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Target
2024-03-12_2767f22decf43223d55acde9de7395af_cryptolocker.exe
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Size
79KB
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MD5
2767f22decf43223d55acde9de7395af
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SHA1
38c16c1b589b81992f51e7718e318d43d0b65ac1
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SHA256
ab0d313aa1a4e086a585699b9aaae52b2d0ececf2c53ba8d33aa97f7c4869961
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SHA512
5df660f9f7b91458e5a910df06f3c1573c4de0bb06c541abf08d0bd1aaaf9dd20ce292a497de985751b09c2c34d54da40b2bcef31b3a37be0a0d214ca022b2c3
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPu9m:T6a+rdOOtEvwDpjNcm
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 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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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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\2024-03-12_2767f22decf43223d55acde9de7395af_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-12_2767f22decf43223d55acde9de7395af_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
79KB
MD5892b9f032c6b5377b2d9fcbfb3ce5143
SHA1d3abdab89c05033699b3435601b41e44b63b743a
SHA2568888a9be56dd6beb2751ef8f30b2ad6de877c40a0f8223f263d74ddfc9b7d9b5
SHA512676fef9db2e082236c30770cd1146d307dde5dc337979dc61e0e6930eec8a2f5a85c3d46ba0e648c8f202d2401f07ffa40ceadf1bd4ab85eccec7882188a4474
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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