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Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
27/03/2024, 03:33
General
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Target
2024-03-27_317c31ad1532979f648bcf95563f94d9_cryptolocker.exe
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Size
35KB
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MD5
317c31ad1532979f648bcf95563f94d9
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SHA1
601c7ef6193224e255dbba5a22ce5961d764e82a
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SHA256
41925d8861b11afa9a145b324da96b1afa779e2f242bfe2fb01cdef598051f63
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SHA512
4b244b95453ab9430ddb656617abe0c1edf03de093472cfb7bdf62792d8e99fd31bd4fee97e413114fb6373a6dcd8762810e42e8aadd0619d01214aca1e7518a
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITL:qDdFJy3QMOtEvwDpjjWMl7TL
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\2024-03-27_317c31ad1532979f648bcf95563f94d9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-27_317c31ad1532979f648bcf95563f94d9_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
35KB
MD5523f2aa4638e8b3039c786eecdb48f55
SHA1e7d059d437ba9a0f62e32e4fbb998a73a55eab8c
SHA2563f4e921aa88b9999eb229f7a68ad0077b57aba10dec3e089d22c5b6950e59a5b
SHA51216bff0f12d47ee35b96674ecdae80003c3724fc4060687d3f08e9772ef1ba6059359e18c5ede56741af1a23b234a433818f5388a924dc8439f5bb93cdf6195da
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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