Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
07/05/2024, 07:23
General
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Target
2024-05-07_1dc5178ab4e5acd2de0cc0556c695e1f_cryptolocker.exe
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Size
88KB
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MD5
1dc5178ab4e5acd2de0cc0556c695e1f
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SHA1
3bc8d6f1434706be17de90c00742bde535b02e67
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SHA256
eda2352ab6cb8f359e819d3c51c62bd12c04704f37fc2662e781241da38cfa3e
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SHA512
767f8bab06178e84a2b8542028c6dc59792631b26a4a26cc8dc77f6c6d982b0339a1c98969c7c70c145b84243861bc418d5514db9217c6d4dd7e13835ebb5793
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIOD9:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgT
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-07_1dc5178ab4e5acd2de0cc0556c695e1f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-07_1dc5178ab4e5acd2de0cc0556c695e1f_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
88KB
MD572e62c607fa1ed46b7264bdc1ddc8cab
SHA1fe1d1dad361664c98bb399766494b99154f0ad26
SHA25684feafe6a4beb7e731aedb29f206c3bec882672f8d6d4c427e18c21494c00a99
SHA5121aae68934b882db9f567ae99d585e9b69d662087e6dde8e7cbabdb32ebb174fbd70f8dd6f2b65110093b7908bdf26c734d0870f64460821a4aac5a374a1715ef
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Filesize
60KB
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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