Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
22-02-2024 00:46
General
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Target
2024-02-22_474827f58d57f53386dfcc25db2a4f32_cryptolocker.exe
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Size
58KB
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MD5
474827f58d57f53386dfcc25db2a4f32
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SHA1
f0476cd1ae1e56468dcec4eccb02767a9016de5a
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SHA256
e50c664ca7b1e84281ab465eecebbfc7b3a63b40e151d2c337a36789bff609b1
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SHA512
abe4a1332cb94277ba5af276199258dd854d74653e0bf70f22efb9ebf03300f5ddfc08d7d0370c9f6eb5bb7686f606211e325b4fd1787b1376635d3b0ace22bd
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appOq0r77:z6QFElP6n+gKmddpMOtEvwDpj9aYalg
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\2024-02-22_474827f58d57f53386dfcc25db2a4f32_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_474827f58d57f53386dfcc25db2a4f32_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
58KB
MD56335c03363f47612952df6aa7d0c5de7
SHA1a739e5bf32a9c9f49a98c16495ecbcf9432cb39b
SHA2561df8793e4b1910bdfe7a04fcf7427259e34775c243204bce169b8465ad4f297f
SHA51225387bfb139349b210a1a282ddee505fc69d53bf06389a445470b583a669dcd84604951383b6f97e6b206d8a53a9b7f9f3bfa3828a0f27214b568553e8e75b50
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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