Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
22/04/2024, 08:17
General
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Target
2024-04-22_b5c5117c8139cdab479e98c34b3cb250_cryptolocker.exe
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Size
70KB
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MD5
b5c5117c8139cdab479e98c34b3cb250
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SHA1
ec6786694a62b8be8c26098b9fe85f0ab4a9ded2
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SHA256
a5deebbf66b66c030122300171d63c0866504fa1fe12828f7b6839fb06df3ca0
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SHA512
6eb6c313551772dabea933b1398e20af15f2f7fd2ad750862a34d9b66c5569e77ffa6952a9c34d72df7eea5db858534fdbb0f7b3737213e90559eeb91275dc95
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9R:C4Q2c94OtEvwDpj4H8z4
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 4 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\2024-04-22_b5c5117c8139cdab479e98c34b3cb250_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-22_b5c5117c8139cdab479e98c34b3cb250_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
70KB
MD5ebdaa467675baa314528f85d519be3f9
SHA188d08f64607fc08cce2baf12dc30a940ce38a33c
SHA256dcb498e00509d32568242adbe6794ecde565c82121029c016958b26403846077
SHA512701d041d78891b9abee0349137733f61081065d2f72cb7949a718c956ae4bd4f8655dc62011ae9df9e5372a9dd041468f6368069110803e5d1fb1cc47e966369
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Filesize
64KB
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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
24KB
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Filesize
64KB
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Filesize
64KB