Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
28/02/2024, 11:31
General
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Target
2024-02-28_3d455c4f8c031f3cbbbe8e073a3fb1f2_cryptolocker.exe
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Size
105KB
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MD5
3d455c4f8c031f3cbbbe8e073a3fb1f2
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SHA1
94f764e10be4fce170d1e5848f8f1340d14531ea
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SHA256
f1cb842bf29159701d91526c2184893bef5af721b1fd22536bdb3f3303b1fae9
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SHA512
ed4c0b5469b6de707949937f3e466cd67bbedbb5588a517621daf9e87cfa05e022cc220f1cdb3dedec27a71437d25a62b8f3141e60e34a1e80b00e13ec301261
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksaLG:1nK6a+qdOOtEvwDpj3
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-28_3d455c4f8c031f3cbbbe8e073a3fb1f2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-28_3d455c4f8c031f3cbbbe8e073a3fb1f2_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
105KB
MD5255fc7086a7d66b629e601741194d561
SHA1f5a04ad89231d7c43841352a2e3bdddf751c21cd
SHA2564b0e8b9e39b244cf94b57c25934ea718ee9ceafe1692452b6fa0216aa8a18b3f
SHA512df370793597864bec8311fa562187d10f30d8a9880c1d18ec2f4db1f5d3047966aaead836b74b9085e0606516d2a8a08ee16aabaee362e66689c8c1898a019f3
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Filesize
24KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
64KB
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Filesize
64KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB