Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
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submitted
21/05/2024, 18:42
General
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Target
2024-05-21_945069b3b1b772a577725fb743ee500e_cryptolocker.exe
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Size
75KB
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MD5
945069b3b1b772a577725fb743ee500e
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SHA1
6343b99db8fc7f40bcf45f90fe106a2db7de836b
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SHA256
17b30d0093262014eb94bde9585849a3c0eb2ed367c3e71ee0a3f9302f2f5f8d
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SHA512
701516185045aac08e5cf4094d5ed646610dfc64ba6e40ebacfa21a3eabe4bc85981f479d06bc192546ae5aa4e4923ebdd4481ce683f215cfcdfff1d0d7443b4
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalVrj:1nK6a+qdOOtEvwDpjE
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\2024-05-21_945069b3b1b772a577725fb743ee500e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-21_945069b3b1b772a577725fb743ee500e_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
76KB
MD55d1f3b451842ba92305acb2809aaa967
SHA162969aabedd0b49f7580bd35f4aef8b758ba1212
SHA25642d1bce2346814deffa54cd9b03449760103d7a9ace08636e51f6f98fa774c4e
SHA512c16bc579646e77092243531c60bad109b7e0d6d27326b3bf19f999975e9e49381d3fb8bc1018ef6bfdccb87d48ed548a32482ead8b56e6ae43c6dadf4a102847
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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
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