Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
21/05/2024, 11:01
General
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Target
2024-05-21_af46ad7461f3dcbeeb0f48b867bced95_cryptolocker.exe
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Size
66KB
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MD5
af46ad7461f3dcbeeb0f48b867bced95
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SHA1
ab0cd81edf2eba4157824708b1b07a76e9e31ab0
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SHA256
02df3c4e9ac1c9340f1976fc09691e7442dfd6fefe8d6a80511043eba1bbc343
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SHA512
92a971251e3cf78809bc932250e366b8eb3c26a95cd7aa79a723e20fccfe9ba76df229f871adb8ba2d7cad6054e0e3fd4d3e09e6f358a671cb262ad36caf1403
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xgr:1nK6a+qdOOtEvwDpjW
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\2024-05-21_af46ad7461f3dcbeeb0f48b867bced95_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-21_af46ad7461f3dcbeeb0f48b867bced95_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
66KB
MD5a09cd5a1937657cbad055a45ed7d9b43
SHA13a3dfd19a120f03056c35f84aa71bff72712d377
SHA2564e9dd53d9553d5de3be1bb26a26385d2a0479ceb187710b06cc86965c6c29524
SHA5121ffec51b04e9b80f79bba3f707fbf5f03a75cfcbee9746bba14a584040a3515ec34949550dbf2ae95c88fe91e637a94390ebf400e780c0201705376b3febec5b
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB