Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
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submitted
12/05/2024, 04:29
General
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Target
2024-05-12_bf1a83d037a95fac87ad65671bcbcdb7_cryptolocker.exe
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Size
87KB
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MD5
bf1a83d037a95fac87ad65671bcbcdb7
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SHA1
8ae44acdc361bdc9a608d45bdd5d933ad2796d0a
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SHA256
d819803e9f29378358828579678aa481ce22f7cc1d79e67b6749f170c81a23a8
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SHA512
e63fa3f2598d887b5b32fd42eba61a9a154706e104b7266edec6bec8a66c276f33db9690c26d28e048acd5b27af059fcda42f1f720c85da758e7c838f4192ec3
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIODE:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgm
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\2024-05-12_bf1a83d037a95fac87ad65671bcbcdb7_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-12_bf1a83d037a95fac87ad65671bcbcdb7_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
87KB
MD5d9a801cbd36d879def7cb381de77fa20
SHA18221198b2097a21f520644ddc001eb794ae3aeb1
SHA256f477c1425677e8514db6835d5983d0a13399f5fae1e29b28635ed6bcc61bafee
SHA512241fd2399e71ad328e0b5eb24811c2521c1d80f1e609fec4068a393f00787123ac3e38deef2f899863257a5adf8264d607e5ede6d1df4f509389bd2d3abfa082
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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
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB