Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
22-05-2024 05:33
General
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Target
2024-05-22_2137ce086a435b864d84b593627eceee_cryptolocker.exe
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Size
40KB
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MD5
2137ce086a435b864d84b593627eceee
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SHA1
3c180bb97685328d658a833cb4f1b90112567802
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SHA256
b811c853e12d0e8828faec24f0c16bb883043e1c4038929ae1696b14c18c2d3f
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SHA512
16e1c355737f712c83baa8d9dd2ab439e19b6e3f9fd56fb4ac52754d9a8bd187cd49236fe91f9400e23740e6af6e1ebd1fb9f137344f81011f225172ba1ec3ae
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY+:qDdFJy3QMOtEvwDpjjWMl7TH
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-05-22_2137ce086a435b864d84b593627eceee_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-22_2137ce086a435b864d84b593627eceee_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
40KB
MD5e74bae6fa2fd3d2c27891d6b6e16c32f
SHA13a5a648f41b0fa9a029cfced31bb7d59eb7f90e3
SHA25697f3dcd535d047d0ca4647d7136d44d0b0d21b33bea53617c79230ca272b6955
SHA5129f2fe053924eba8dd5833509902d9ff3170901653a0874214ccc12121b344b3e541c03253d04179d848a65099574f049864f744d36fb396fa353549617fe1746
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Filesize
24KB
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Filesize
64KB
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Filesize
24KB
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Filesize
64KB
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Filesize
24KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB