Analysis
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max time kernel
136s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
13/02/2024, 14:47
General
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Target
2024-02-13_b50d09c1107894fb05d494c06c3a271a_cryptolocker.exe
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Size
60KB
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MD5
b50d09c1107894fb05d494c06c3a271a
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SHA1
87ca3481ef3f93d474dd16ebcf4138f70a707200
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SHA256
e2d0b1da54661f00dcb26e11c846d0b300a37fca1d3c5b7a44d81ee100a4aabd
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SHA512
b1c10b24fbd302031e237ef351aacf944807271a1fd57f69781cdd2f2f4d9fad4bcc9974f48b579adbadf8f7b3839202c008cfb4efa991b7c8ba21885219b11b
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5m8z:zj+soPSMOtEvwDpj4kpmeLmw
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\2024-02-13_b50d09c1107894fb05d494c06c3a271a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_b50d09c1107894fb05d494c06c3a271a_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
60KB
MD5737d9a2993e90035ed22df74e311ec5a
SHA1a2256127588b7154e8b973a6b861231cda3d11e1
SHA2566dc787caae554782924d80440aa0ab75afcf1dfffe1eea165f3d32eb8079047b
SHA512598feb18922bdf4aa43abb21388bd1d37ea9616a557b0b7a8944ceb65a55e5e9484e85be337f79f03c315059120463b4b7346d9d82b60e26d1fece7a895f4163
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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
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB