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Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
28/05/2024, 00:51
General
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Target
2024-05-28_a08dd1097036b66cbcfc7cf01dfa01c1_cryptolocker.exe
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Size
24KB
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MD5
a08dd1097036b66cbcfc7cf01dfa01c1
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SHA1
58cbe3064c025c973f9056b68e65853f26989a6a
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SHA256
819455bddb490fbacdb831dbf60819fa706bf8b17ebf5a221485523972d78076
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SHA512
daafd630a3ce7f66bf7cb813ae5abe0fff65f8474a1326b8e7e35ffcbf822666e2d6e2532453bdbb6382c209f865b7df0ff88fb94bb00e63fa5baaad6433ffd0
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HMJ2v:bVCPwFRo6CpwXFXSqQXfjAsJU
Malware Config
Signatures
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Detection of CryptoLocker Variants 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\2024-05-28_a08dd1097036b66cbcfc7cf01dfa01c1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-28_a08dd1097036b66cbcfc7cf01dfa01c1_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.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
24KB
MD5799436f6de5b734cd015cc5170bf0d93
SHA1ad5ab7739767e06f95f61354a0560eea58c06338
SHA25655cb4959f6d3294696c40bcd439343adc7c04d065b4cdf1a34c04d9a32c88e0b
SHA51236e88817207d5688e2fe85a9f236cfae6f05ea07603b3ef6658733762beda7dae8c4fec97cbd5da77001eb4271f882aff0dde51191d90bfc8b10b234a207d0fc
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Filesize
56KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
56KB
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Filesize
56KB
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Filesize
24KB
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Filesize
24KB
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Filesize
56KB