Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
29-05-2024 15:46
General
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Target
2024-05-29_c8c8162a096279abc7df5c88b31fd72c_cryptolocker.exe
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Size
65KB
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MD5
c8c8162a096279abc7df5c88b31fd72c
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SHA1
e29a12445a5a23442c2bc2ff04cab44d620eefb8
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SHA256
2b7c9f45abdd956c02d5fd9beca255999faac5e83abcf53f6774bc992b639583
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SHA512
cc26cf89135b560081312d18624b2b1c9af00e0dc0eccba83f4da3dc4236cf225ad7949349dabd58fc0a3608c253438ccb2462af0b61bd8cf220c9c1754e741b
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UAXXc:1nK6a+qdOOtEvwDpjs
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\2024-05-29_c8c8162a096279abc7df5c88b31fd72c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-29_c8c8162a096279abc7df5c88b31fd72c_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
66KB
MD5503bd24f1a97db9b32f9a7cd85cea44e
SHA1a1a85a39c5625167fc368740c0eb1e64fec0e80f
SHA2564629857352d22a7ce37e8d61412b8a1f176e254957767fbf31ffd83ec9bdbe2b
SHA5124e0a09d0deeae3b2ca8011a7011d9ccea5eb43caa56ec6108f4b0c283d210ed8141ab52c345e4ba3151cc877b0b366a5c10e8adabefdf614ea47d430f6692099
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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