Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
21/05/2024, 15:33
General
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Target
2024-05-21_419fc08868912d8e5eaebe5a41d60ecd_cryptolocker.exe
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Size
39KB
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MD5
419fc08868912d8e5eaebe5a41d60ecd
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SHA1
f1f809ced7bb5bb7eb7af2be7fc20650b7bc89e3
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SHA256
9201849d87a5a1dea9cea4e65fa98a754bf96d5501cf686aebdaa025952aa35c
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SHA512
b654108b8d3bcde4e92ca8aa89faab51eec46b8739f6abf6973594aaee9a6130b76e7a192e4868dac9801e3589cda2c1a1c73407738ca435ca5eb3c1fc7c074d
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY/4:qDdFJy3QMOtEvwDpjjWMl7TN
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-21_419fc08868912d8e5eaebe5a41d60ecd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-21_419fc08868912d8e5eaebe5a41d60ecd_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
39KB
MD543d0020f103361c00e2dd1a2ed38a0d7
SHA17a31d9216a03046ba7452aa27bf731f9fb53b60f
SHA25606b3c85f09e46a45cd2d991ad30bfbaecdef5c94e2023ff060a99acf77ebbfeb
SHA512f3708364e316f2e3bd030d3aa0cfdaae7dfd141085f386640a61709b9c9bc674255399ee97197e74b28f7170c7b9f7dbf4dcaa87b246147cfd02c54882a056a5
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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
24KB
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Filesize
64KB