Analysis
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max time kernel
153s -
max time network
159s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
01/02/2024, 17:27
General
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Target
2024-02-01_a2c019adf3e468733b5a193f66089d67_cryptolocker.exe
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Size
65KB
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MD5
a2c019adf3e468733b5a193f66089d67
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SHA1
e297081dfe0bb25536d14e8869cc507be0435b6e
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SHA256
9de043e436fd8a9313e3635ea475f751bf49ea6434f2914ca3258dc81e1ac420
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SHA512
e8abd973976d49b6272734d9b09da600f8f4a111e316ef63e4d87341078e8f5de1b39deff67afab0a462308dd0645650e82dd863a5c752f104ec9b03b9f92971
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UAXl:1nK6a+qdOOtEvwDpjl
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-01_a2c019adf3e468733b5a193f66089d67_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-01_a2c019adf3e468733b5a193f66089d67_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
65KB
MD5cb2a103f8627f9538096c1220481f495
SHA16ca62b0ba8717854f1f5998dd422a24c3444797e
SHA2567bbc9521774066a969d81ee92118119ebd2f0f33fd6bb8ab34ae0993b1a90c11
SHA512931b6dc5b6124320004a2754fb7eaae1187309483d8755f7e0bf5949de2571a2ca67804274cff05d215bec79a696020f800a2a4c4f08c96461ab1437b3eeb841
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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
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB