Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
29/05/2024, 06:34
General
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Target
2024-05-29_67a75d39290782a16d92107f6e6d42e3_cryptolocker.exe
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Size
40KB
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MD5
67a75d39290782a16d92107f6e6d42e3
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SHA1
8c2bd33a46a4b1b5364cc3859c754777319d7d22
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SHA256
a53f25e48de9ed0a87a2866601c0beddb4fc49243009029b346cd8fadb887a7c
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SHA512
11b16fc547af20ddf3bcb619b465d77f7f30660efca808cd2421f196264d124c98eeedc7e40dd8c8de59a94386a908e536a376eeaee5831a982d9a6e1cebad3e
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYSb:qDdFJy3QMOtEvwDpjjWMl7T1b
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-29_67a75d39290782a16d92107f6e6d42e3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-29_67a75d39290782a16d92107f6e6d42e3_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
40KB
MD519c4b17a5e494889368b58895792f047
SHA1fdb81d56eda010b64fe1dbf5771e90f98900dc77
SHA256960203795608c8998846a3df75ead0bb265fb8adebb32d09b26f676ac846a6b4
SHA5120099434fd6be7181a1ac52e921ff93e9e54d93e8333316d6527f80d86c340917a2f3f5fc7f90229a3ecb69e1fe43e3a15dfa31e9a265b05f3eaa3216a3d28055
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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