Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
06-03-2024 06:14
General
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Target
2024-03-06_91db5df5ae4740ea83a2f14492e88dea_cryptolocker.exe
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Size
126KB
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MD5
91db5df5ae4740ea83a2f14492e88dea
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SHA1
ba7816ba8779e2bf6ad2e29429c8cf32e2f6ccf0
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SHA256
76fa8b190bd4ddfe746536a19398c2a1602e23ce246cc5a40c9d9b759c0a318e
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SHA512
f92fd06847d4d72664928b9020bd3ad7c85c3c8397f6a8fe12e8a44038c65e1001af01350791a73e398f1a79a8c8dbbff7eb31df3ccdad5d408e086274541eb9
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1eIEm:AnBdOOtEvwDpj6zE
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 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\2024-03-06_91db5df5ae4740ea83a2f14492e88dea_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-06_91db5df5ae4740ea83a2f14492e88dea_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
127KB
MD54900b3fe801b127142ae87048efed919
SHA18e504d37dffec35d4efc5caec5c7de53d836e75c
SHA2563c08906b441c8e356aab49de153591c33c2680cf8cc09957207154fe78707aef
SHA5128d0bab2d76ba8cc23ad9f4545b5d10e4cdd6c9da9612d86b2726770cfda9a7e25aca0ebd0ec2cf789e4bada22aa3954788a796db82ffdfded774bd0de3760d34
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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
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