Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
13/02/2024, 08:42
General
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Target
2024-02-13_a043be8ab27ead556b0486d7ce487d27_cryptolocker.exe
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Size
101KB
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MD5
a043be8ab27ead556b0486d7ce487d27
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SHA1
52191f72cef6a07b77b250a7d11b9e778903a4e5
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SHA256
24dc73a07c17f2add5644e1553b324eae42240b8afba4b4c81e04822e2bfc324
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SHA512
89c1fc42a43fed7f4df0a657ec5c547772f2628ed940b34cbe66d6bb26cf4f2074b6a2930c6459534f5419cc9a93d338ec27dbc19de85332681a905703d076cd
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviy6im:AnBdOOtEvwDpj6zH
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\2024-02-13_a043be8ab27ead556b0486d7ce487d27_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_a043be8ab27ead556b0486d7ce487d27_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
101KB
MD5563df84192c85fb10dde874cfdbb10ce
SHA18323ffec0d106565a76463cd7038b4505017abfe
SHA25664862be692c11fc46d6c3dc856928654f424d7a69b658528e8d5d1f994e1d2cc
SHA51251cddab3518ae2c34aca1cc9af201f4797a841a558b73b36f5bf1ff0a22d9a31c5bdec229cc4693ec88de19bc62aac5e01ba2668de4355c939a5ea184e644f6d
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB