Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
20/02/2024, 01:52
General
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Target
2024-02-20_c58cd40ce50447aaf2fc17f390a3d896_cryptolocker.exe
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Size
71KB
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MD5
c58cd40ce50447aaf2fc17f390a3d896
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SHA1
833eda6cea34eade81ec8118acf9ca642780aa06
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SHA256
0590cb7df8f42c0940360922463dc7da3d818bc4c358af75c77216da5652c33c
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SHA512
888f9f840138903a2d3814256a769eac116c305cd04456567a9a1d34e4febc8ecf3abfa60e27534001d467c56a6dca3fc215a0294ccef447bedc447132fb1338
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalB:1nK6a+qdOOtEvwDpjo
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-02-20_c58cd40ce50447aaf2fc17f390a3d896_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-20_c58cd40ce50447aaf2fc17f390a3d896_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
71KB
MD58fb483b18322ae2651009f7d24b01298
SHA108745e78650de716f49ec999a59854f577aecbbe
SHA25632d343d023ecc05d60bc1b159db2260413ce0eae1086fde9c4112fe56791169e
SHA5120726c3ca543ee9c901026c60abb151f7f49898869b0b2100f84ebc0429057232e0e9929fc1c97ff9685fffe1c68071590001b4fd8db717ee875b53962d02e43d
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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
64KB
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Filesize
60KB