Analysis
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max time kernel
135s -
max time network
179s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
18-01-2024 23:25
General
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Target
2024-01-18_d890da68cab63513f58f60b6e289ba05_cryptolocker.exe
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Size
63KB
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MD5
d890da68cab63513f58f60b6e289ba05
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SHA1
1955c17c677939c0ed8e4dd2d766186cf999ebdc
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SHA256
6df6ed88d75bfe61d9eaff6f9eac53918be50d4fb27a374dc879de97c0a316a4
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SHA512
9835f6b29503248a04249d5c0745890dab0e008c98947db6ef95d9f1592d0a8e620d41da4b59808541cb531a9c944f960e98db24f1e9bc695fa432dcd44d303d
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6Ug:1nK6a+qdOOtEvwDpj1
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-01-18_d890da68cab63513f58f60b6e289ba05_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-18_d890da68cab63513f58f60b6e289ba05_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
63KB
MD5e77a462c703ab2e4fbecf676fcc682eb
SHA179a200bb52707b4eda856f87824b956d696a661b
SHA256e2c4f1547f5b63aa0817afcdcd8060f058095c7966eac0c157e16cfdd970fe65
SHA5120cd8012d6b5fa03e8067503c6221089440d2f2721c49c4337a8e239d9e898ba47d8380d3972d5027d18824e211b387d1df121ebb829c59322fc13be84b4e2602
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Filesize
60KB
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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
24KB
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Filesize
60KB
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Filesize
64KB