Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
17/02/2024, 21:46
General
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Target
2024-02-17_9006bdbe3df5d53c9c34e1380b8583e2_cryptolocker.exe
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Size
68KB
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MD5
9006bdbe3df5d53c9c34e1380b8583e2
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SHA1
25ffb09b67af87653053266602c64819519287f6
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SHA256
81ce1099f82511b27f7b98caf77da2c08f3a53594949c35ff231e0a11dbe8477
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SHA512
3b10e795b5195cfc78f2ffa45628697ead31096da88a0c161e8d6ddd62e1bca5a8f741472088d68e0e8106717451f04aeba1626ec24c94aa7e6be0860d60eab7
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBq:z6a+CdOOtEvwDpjQ8
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\2024-02-17_9006bdbe3df5d53c9c34e1380b8583e2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-17_9006bdbe3df5d53c9c34e1380b8583e2_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
68KB
MD5ee15f97a2dbd021f0a0d5ecbf0e3d009
SHA109cac26099532fafb6f1ea5d2aae0c33788ef2e5
SHA256c0dd1d12db19041867711057ccd35a3b22412b4608843766f4f6a2b08357ada3
SHA5124a1fe012a848e6b0d0a0057364bd6698c8d4a521777d32ce46f83a95d6e333a46e658cbf347be0d439f3d4a7df4d4a343b5bc58f671bd8929aec722fe82280d0
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Filesize
64KB
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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
24KB
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Filesize
64KB