Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
28-01-2024 19:32
General
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Target
2024-01-28_a09be619d349e2cbc20941d1ab1bd638_cryptolocker.exe
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Size
56KB
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MD5
a09be619d349e2cbc20941d1ab1bd638
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SHA1
3bd47574ab86e899afe96e7d4ef526d265200ddf
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SHA256
f6cea30ac4e9d7d90acf5fc2504911a7efb46a8b78891cade0395fa6bb0fee34
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SHA512
a973fe037c4a1c63f2ae488fccbd32218d5d0f31a5cf81e5dfd59825a2fd4602000150ddcbd633f3f2772cb3ba7a656ca241a963f126f0b1de0f97f60d3fb594
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpLzbvt:zj+soPSMOtEvwDpj4yzbvt
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-28_a09be619d349e2cbc20941d1ab1bd638_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-28_a09be619d349e2cbc20941d1ab1bd638_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
57KB
MD53aa54f3b75e4194156fedb598f7e1117
SHA104560113c794d5e97cf219452969a253d5904232
SHA2568e06fe49a103b786a6eab97ef2e243fd70f3e1f8c9111f7a7f83d2992b284755
SHA51291ec4d22be58eee27f42c9144be23475c21cc97c3b4ca4d0495725e542918e9399b17ee6a26d3dd5fa1431b0148e9160b8d48ecc4ab49fad1933f81844761a24
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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