Analysis
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max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
05/05/2024, 03:23
General
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Target
2024-05-05_1131335874212e75fc16ae99bd342b15_cryptolocker.exe
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Size
71KB
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MD5
1131335874212e75fc16ae99bd342b15
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SHA1
266d6a6c2237e6919857db812ef974ee0258dfb0
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SHA256
82117e165895a1dd89185887746a5143f379e2b487bbb4be000cb4d6acce08b4
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SHA512
591a947a9272c42a8a6897f89d03728b2fb1ddeffc05b1c3df2182e70c28f0f3e88f6428e4b452a3556c084dc70958521acec09147167b7098be9ee23aebbfce
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs97t:C4Q2c94OtEvwDpj4H8zg
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 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\2024-05-05_1131335874212e75fc16ae99bd342b15_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-05_1131335874212e75fc16ae99bd342b15_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
MD5b14039aec92ad5e6e143130424478970
SHA1a80a2a8a829be7eeeea67b366262dc09e2db9cf3
SHA256d772731a8096e5478a9984c85100addbdcfec901b6c9519517bbb3971121c8dd
SHA512b17355a0dd09517e539d366c7b54a92455cd4d5af90a7de3802145c074aaf5f436850d1319a837b54e54533c975cba2cac08185f7a2e0423ead005ade8661351
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB