Analysis
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max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
23-02-2024 13:49
General
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Target
2024-02-23_41dea29650bd52d5d39792888cd69103_cryptolocker.exe
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Size
75KB
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MD5
41dea29650bd52d5d39792888cd69103
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SHA1
5f511eecf95031b26146b4fe25e5ada34dc0c06d
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SHA256
c5048f3dc7cf79de71d40ea454ce4bac7ff1681412d0e037cf0803e14dfe2f33
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SHA512
504f1cb544af7feb8fc5f3117386e989e600651802e2e3d943c21e5ddfdd1c66e83dde0995890d5b9e6db5a24a61a2ad3fd0565e9583be2bd73602ade47bfa22
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcX:T6a+rdOOtEvwDpjNtk
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\2024-02-23_41dea29650bd52d5d39792888cd69103_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_41dea29650bd52d5d39792888cd69103_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
75KB
MD54a7dee2b728e0770af3cd6c0e68cdcc5
SHA14716e3de36298e0ae5455c59804ac7af669646c2
SHA256bc2106d107a36fd91adb690a095294aa1df52ad7d4e5abf945b063a142bfaf6b
SHA51244c50c08fcf32034a301de079ee37fd15321475d82126111ff5d18b9ba3dd27346ba6994058d00e3d18b3516a163537e94ebe50dfe76093bb3c3cab91d544687
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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
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB