Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
06-03-2024 06:42
General
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Target
2024-03-06_de0485fec33cccc2b69f7adf7c7366fc_cryptolocker.exe
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Size
63KB
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MD5
de0485fec33cccc2b69f7adf7c7366fc
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SHA1
8da91eada714c95255af636f8d5dfdccb2ccfcee
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SHA256
e9765794b9c7b728460d9daff61fad22b73ab1f0acabdf099443e88bca8db5f6
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SHA512
2c220f2e829ae4f38926eebc4b54a8ab220e9bd8860a96fd65c1567d7fbbc76fcac27857e6e610bd2bc1c22347ee52593417795260be3277fcd3b674d20fde70
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAo7Z:1nK6a+qdOOtEvwDpjb
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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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 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-06_de0485fec33cccc2b69f7adf7c7366fc_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-06_de0485fec33cccc2b69f7adf7c7366fc_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
63KB
MD5158b35610fc34e32711b76869f4e7225
SHA143c0b04329bc5ffac346670a60c1b7ed933b53de
SHA256043e9b588b6f6abba6f4782351a7db8f453775ea93b71f191b7ef49cf65d237f
SHA512ed61ab30258e4f257141d2cebd1fe47be2cacab04e0cd8114e52e56b31c11ec53d1d9446736f5b8cc11314bc649fa37e039b8771d133fe00cbfc386776d5f648
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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