Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
14-06-2024 14:33
General
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Target
2024-06-14_4123c1dfd241fc490264a5c5b779e140_cryptolocker.exe
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Size
74KB
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MD5
4123c1dfd241fc490264a5c5b779e140
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SHA1
eec755ae51b6f445ae03d9a954c092e5b9320f31
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SHA256
36f120a9f2d08ebfc602b7d174f4baf3b14f895af56849ec1e5c8c0e1ea9b144
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SHA512
7002b79057571b77cc76a240e5422c17d9d3769a9897b4b983352880bda1be750ac6906c9a2faff53c42c86b47370d7f2a96fba172723cca89397039616ebd8c
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs95bm:C4Q2c94OtEvwDpj4H8zB
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 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\2024-06-14_4123c1dfd241fc490264a5c5b779e140_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-14_4123c1dfd241fc490264a5c5b779e140_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
74KB
MD5f5dad59497eed7576acd339598dc81e7
SHA1b66b1673fce89dfabd54e83bada54d86f3f70a7d
SHA256472325a03cf7a70d07ab589c83db49475bc961a02c69e2827872e0b920f947b2
SHA512913b4df9e2250b7ea44a43dc7192e6235510ad1ea2402f260f3d335d9d287b910b661567588537d553c29371127244111efcc1630f5582ec3f1b810a485cee63
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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
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