Analysis
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max time kernel
149s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
29-01-2024 03:32
General
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Target
2024-01-29_71a450346fce33565c8eb7c2ccbe23ec_cryptolocker.exe
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Size
95KB
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MD5
71a450346fce33565c8eb7c2ccbe23ec
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SHA1
e99708959eeb654515d330ddd0e9de9ecb512357
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SHA256
1119cde59a716bd608c074251aee347bfda1916490d158729a8da8e0734642d2
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SHA512
2bfc9df8daf3a9b6bc619693286bbe293b997f546e339b3c699778dcf5ecf07adcde92ebeca1d23430cfb19ebe873cc24012577c1bf1b2b55e2031acfac7fa62
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp01h+/:AnBdOOtEvwDpj6zw
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-01-29_71a450346fce33565c8eb7c2ccbe23ec_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-29_71a450346fce33565c8eb7c2ccbe23ec_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
95KB
MD551794a66908b2e93eeb372dd6c4baeb4
SHA11d2bd2ef9d5aaf998c7532ea9fc0f97e1828f699
SHA256e93d3c8b1719da622bbf519de219a9c4cabf5fcf406d0738b92e8c77df6195f2
SHA512c78d7d0e29fcbea57be7390243160ca2dc4557864feaae0143a851481710dee856dfc6aafc322227a6a8bb26990e522637a053c23312c808fe464bf73f0715b8
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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