Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04-07-2024 03:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-04_70efeba87789bba3cc80adf47cd8bf0d_cryptolocker.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-07-04_70efeba87789bba3cc80adf47cd8bf0d_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-07-04_70efeba87789bba3cc80adf47cd8bf0d_cryptolocker.exe
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Size
53KB
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MD5
70efeba87789bba3cc80adf47cd8bf0d
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SHA1
2c1adca01035c56630c599cb276a057b951fb026
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SHA256
445bb7778eda8163bfef257de621db65e0553059e3f114ca018f7f0a0fd5f57e
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SHA512
20821c30a9bb4e9197100f99c5a1da7850d18e5efd8037d9621da81c0982cb66d30d3131c715a9aa9b946cf2094fc09382eef61ff1b9192cb5717d32ce33174d
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTCFWpzgVo2:X6QFElP6n+gJBMOtEvwDpjBtELVn
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 2024-07-04_70efeba87789bba3cc80adf47cd8bf0d_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4604 asih.exe -
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
description pid Process procid_target PID 3552 wrote to memory of 4604 3552 2024-07-04_70efeba87789bba3cc80adf47cd8bf0d_cryptolocker.exe 80 PID 3552 wrote to memory of 4604 3552 2024-07-04_70efeba87789bba3cc80adf47cd8bf0d_cryptolocker.exe 80 PID 3552 wrote to memory of 4604 3552 2024-07-04_70efeba87789bba3cc80adf47cd8bf0d_cryptolocker.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-07-04_70efeba87789bba3cc80adf47cd8bf0d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-04_70efeba87789bba3cc80adf47cd8bf0d_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3552 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4604
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
53KB
MD567b25fdb6b1df02184105ad63baa8c5e
SHA1bf5c67ed1fdcb12c8cadd29c504ad8dcf7b752f4
SHA25651a58018ce108adbe6bf3d60f16b47afc14da7e9c0018c772497557c4cf83563
SHA5121c54e1cabdf87304b83b543a73e9e4ae7f4e9a00d067b96e028faa5515f071f3b347d9133da67e8b6b602fd1a7b3b3895b17ca69141805af61061b49d01e11ca