Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
01/06/2024, 07:22
General
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Target
2024-06-01_21460c362bf60b8bead78f51c55f00ce_cryptolocker.exe
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Size
54KB
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MD5
21460c362bf60b8bead78f51c55f00ce
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SHA1
eb5d1e993b52fd2769cc1262935da6eeb24bfb85
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SHA256
67972a9152fdc0169729f09128e1fd022b67b3466bbbd11ce0625e80356e5a78
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SHA512
6b0d5fa306e6b30caf3f3e4e37e2aaed767c61059d06965ccced83b57da1965cc16c8961e61f051229aa312dc54b021458a61f32a2cce955d4ecd0bd82e60b2f
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOk7:z6QFElP6n+gKmddpMOtEvwDpj31ik7
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\2024-06-01_21460c362bf60b8bead78f51c55f00ce_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-01_21460c362bf60b8bead78f51c55f00ce_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
54KB
MD5328e66d6b72a1837d0e46f2643ac8daf
SHA1aa967344e6a0e94a49a0bda71233b1378195ad22
SHA256d5c094821433dabbcf33a08fba4f1fe86da6e6c6428427831478e634e429fc85
SHA51270b07037d51020cf92fdbb895afe1e4af26a0c25ccc45a1e8a2c387fddee16fc18e91eb7de56f25eeaba8572377623793e034790b48280e83be9d4d139bfa642
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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