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Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
05/06/2024, 03:04
General
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Target
2024-06-05_631db2092ec4db0367f69a380c65986b_cryptolocker.exe
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Size
40KB
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MD5
631db2092ec4db0367f69a380c65986b
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SHA1
036066ea314b80262076a8edda1cab3dfa85e3b7
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SHA256
bbad72f3cab68ed95ea557273e7fd059c584ed43699f59c8da0390cd86387a4a
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SHA512
ff47c9724bdfa9227a860a35ebdda18d40de745b955211e17aa3943f61a6cb025840f623c4c386631908b89c65aeb8e86a4e6db691a64a770a48d9ff06432018
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYlm:qDdFJy3QMOtEvwDpjjWMl7T6m
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\2024-06-05_631db2092ec4db0367f69a380c65986b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-05_631db2092ec4db0367f69a380c65986b_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
40KB
MD56a9111da05fb16f9a5e5085bf8dc1791
SHA11e2c48bf0faa1115d8a15ba9b21808346eee8bdd
SHA256eb8826064b0b0ca36971e74c617a84951f58a2a5556ec6334868c75f90f86708
SHA512c2f48df155e274dc840aeb8ad90cee371e5e41fd7b64aac756e8dc5e8d2c295891bdbe44dd8a9e5af0e2d10b20345b31432481f4755c5d0422a92e7879071f2e
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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
24KB
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Filesize
24KB
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Filesize
64KB