Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
04-02-2024 14:40
General
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Target
2024-02-04_e4b5c3e5c11553f444db48a97c8e1a64_cryptolocker.exe
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Size
46KB
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MD5
e4b5c3e5c11553f444db48a97c8e1a64
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SHA1
d3f015e48dd3b3e95d8900f398fb780b0d688c07
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SHA256
080ab66b4b7d8254dbed6206a3f14bf969f215246756ce139c1af2c31cec6bec
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SHA512
75d0754404e385df839d35fa2d08e482097bc130e29b9de56e1cee13c92615c3fb1f6bbde9ca967afaab7b73e7cfc2bef3ef30e8337187bad1bd720987643388
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SSDEEP
768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2Mo22U:qmbhXDmjr5MOtEvwDpj5cDtKkQZQJU
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 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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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\2024-02-04_e4b5c3e5c11553f444db48a97c8e1a64_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-04_e4b5c3e5c11553f444db48a97c8e1a64_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
46KB
MD5bdb215e5861cf89820393610e9d1e0b0
SHA1f3edc7c2adccc1f5d90251204a648aa901b96d02
SHA256dec59029b965bab952410a12b5b4f77e38c7ad5e1459488715b26e2b2c81bb91
SHA512e8bf18da70f82f68b5e49c2ea347eb9bbd98e47e41b1aabe9b3f21c56a2a7f3571db2b6169efc7fe105bc21ce5f222e3e70678777251e7dde57eb922f925a6dc
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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
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB