Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
03/05/2024, 15:35
General
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Target
2024-05-03_f0613557a56cbc61c27c08693264c6f2_cryptolocker.exe
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Size
38KB
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MD5
f0613557a56cbc61c27c08693264c6f2
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SHA1
ed4c2eb4578499def2a7f06055faacae658ff286
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SHA256
1bdcf99a0c241e997074cda4623f42b8d7c68bc7be2ca22458f5ceb82fa7e5eb
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SHA512
de307bc99f63e256f2af374a9e54b35c8b936bcab4688cd5961ea6fcf78b4b20064692886080f0b727b82343061b72071993703b1d35a5b1c275259d96e0f8b4
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYt:qDdFJy3QMOtEvwDpjjWMl7Tg
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\2024-05-03_f0613557a56cbc61c27c08693264c6f2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-03_f0613557a56cbc61c27c08693264c6f2_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
38KB
MD5d9cffd44134a417a8745be764a475086
SHA1c531b822bc817dcef47a50bf34f8364328c704e7
SHA2569c9d0ffa150359499ebd645ed55793c5a04f89b1380bd74b588c936704dff7a2
SHA512624b72244b20913c6f26e26a003656bef82474727d42285abfdc92052f510b72d92ebc6e84f87537a08e91e883650595447ceb32c56d0ccddb6073a5159339f9
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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
24KB
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Filesize
64KB