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Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
21/04/2024, 20:09
General
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Target
2024-04-21_9f6b221d7eee85dcac8c7b62607c982d_cryptolocker.exe
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Size
38KB
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MD5
9f6b221d7eee85dcac8c7b62607c982d
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SHA1
3010b2fed059c7158d1419c53998ad80faf317e9
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SHA256
520c910b5f6988109349fabdab21c4054b7484c718c66664723154588276e58a
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SHA512
e2d6f2df1cb219a386e947d2fd08a5d7748437c01d9ec73cabaa94a06ae55faf648185aa811cf96414058b0631958a4272ad5271ca6b0d6c9582b20f979b2f14
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9Z:qDdFJy3QMOtEvwDpjjWMl7TS
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\2024-04-21_9f6b221d7eee85dcac8c7b62607c982d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-21_9f6b221d7eee85dcac8c7b62607c982d_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
38KB
MD52f974bc65dc2b4c9d4342d8ea306ec72
SHA13116e57ad4c404ed9b58c733855da3942ead8e2e
SHA256f55836e89ceb0e8607604581a0f2da65a967f3ca4febfe431198751a868ae310
SHA51265ec20ee1de5f4b6dba43b70fe28d5f386d3abe936f48179e3f9ddfafa0b37a1c032389f5f92493c9f3f565b330766c2e3b4ca4b1bf764cf01b31ff3a2cf1226
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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