Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
24/04/2024, 22:29
General
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Target
2024-04-24_8859431155d93528a0f933220504f7f6_cryptolocker.exe
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Size
87KB
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MD5
8859431155d93528a0f933220504f7f6
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SHA1
074a744c5cdc20c8dd713faafae3ebbe29580b34
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SHA256
2696ca4326a43a5cdbebade002dd4818d4e36ae9c9171752d8dcd831a8ea48ea
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SHA512
ea0a52dcc0fc6b758e3e2286be78408ec161ae6887768d0f9978979e1645b40742882020eb5f995e96b08fdd814498ccf7ab2e4a1156fd2f013bb311e5ed749d
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg53:AnBdOOtEvwDpj6zt
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\2024-04-24_8859431155d93528a0f933220504f7f6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-24_8859431155d93528a0f933220504f7f6_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
87KB
MD57dfcd126c97262ff8a403739376104d3
SHA146f202dbd3d5996ea146fdcccb3d00db0da9872a
SHA25635a47280bc9068688780ebb88a1c3686e278a9de5b0bd95cc2820f34cf08b4ae
SHA512e347a22c1c400809c74f9004d9ce65ed35da3dd8afb100065cf5aa7c8275606bb9685e791ea0a208d6dbf7d27f0d3fe3d35ed992e441646f5e32508b09a45672
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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