Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
19/02/2024, 16:36
General
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Target
2024-02-19_6152e4219a923260317555c4d11345b6_cryptolocker.exe
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Size
66KB
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MD5
6152e4219a923260317555c4d11345b6
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SHA1
0d8759759ce405bc45eb12eb267da1e26067f201
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SHA256
37507405c3d503204a4512a32f91693bddb67e878b42c74f45862f529b968c39
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SHA512
64e6e60be0264b5a3186e8dca1ceca2e2ac8bee1036de8c65290caf4f37be6507a0b8fc70830641b90def79cbdf3dbc5095c91cceab00ae74fa721d9ac4fa9e2
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6Uncp:1nK6a+qdOOtEvwDpj9
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\2024-02-19_6152e4219a923260317555c4d11345b6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-19_6152e4219a923260317555c4d11345b6_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
66KB
MD5bdff1b28bd886af9936ac3550b543976
SHA12153236d3a9040338fff406ecd1fa4a14e97a88c
SHA256b04a19ec16287d1f5cc37826a98254c2b5739a5fc8af524e46ed6f3ab27148bd
SHA5123ca86fab12dd31ae3f6f2eb1028565ba9f5ccbd241773c5de6bc60ec88d234d8a43a5ceb382d7c134bd26a67e3bf5158bad85d9dd4d0b221d144bc232b4a54e1
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Filesize
60KB
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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
24KB
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Filesize
60KB