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Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
24/01/2024, 12:37
General
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Target
2024-01-24_e848f7c2406db68d8ed2754e5908a609_cryptolocker.exe
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Size
56KB
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MD5
e848f7c2406db68d8ed2754e5908a609
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SHA1
e46b33bcb2bf1a36f2ca39a041990557d2be5fa7
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SHA256
71acdcd765ec5628c86227b01459e508755ee83905f8fe655ed3f604d03b9c91
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SHA512
8a74307606d35f7fcbb2d4639e2e679b0e248791891e9c8dfd33b8026075e88cb30e7a0b0986246a0f1cbc3bc8beefbd10ce59dcaed511fcd0f8200f616c58f2
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5apr:z6QFElP6n+gKmddpMOtEvwDpj9aYal
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\2024-01-24_e848f7c2406db68d8ed2754e5908a609_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-24_e848f7c2406db68d8ed2754e5908a609_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
56KB
MD5a20d68269ff150f242ca16e4ccc39792
SHA1d589cced133e1179089e82a3abe370eda791cce6
SHA256cd5b4542b12eff591c122d0e39f307f2a33bbcda1754858b4fd9992643ea27a4
SHA512af95fb0d83a1159aabc3381074761c8b5164e612b9ca85c28a221edac3e1534c45253b921034b3349986cf0f6f084fc16ae2555015633ec20df0faaa0c094fb8
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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
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
24KB