Analysis
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max time kernel
146s -
max time network
162s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
18/01/2024, 23:16
General
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Target
2024-01-18_b86c9fdeff8a699c26bb94b28bd0a32c_cryptolocker.exe
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Size
86KB
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MD5
b86c9fdeff8a699c26bb94b28bd0a32c
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SHA1
8b0a1c51db60c4b167f9740621473fcaaeabf042
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SHA256
749bd2cfe318c16717bd5694ebd3fbc61b0be4320c78b3fed913f115a4636212
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SHA512
b9613c1a4b5abb8d443db9347e13eb44625995ab16a66c4fa5d89d4c41129792a01ffc305bbd7e533249cf27dba61b6737ff7a4cee7d44cad11439930559f784
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8r:zCsanOtEvwDpj/
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\2024-01-18_b86c9fdeff8a699c26bb94b28bd0a32c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-18_b86c9fdeff8a699c26bb94b28bd0a32c_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
86KB
MD558db6c17726e7995507440122e46bf32
SHA15b2909d8bfbadfc701b9c04c591e1fce15e894ea
SHA256ea134c2b6867daaa49a41f72b1ad10551fd63117e6aa5bf06c4a685d01487613
SHA51290ecb83c2fe1bf35a02635f63e4555deb1c77934e653fd2fe2ca9df3279b8c65502f737750100abcc684b3f887531be57488554abe3fe5a9efe0ab42844195f0
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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
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB