Analysis
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max time kernel
150s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
02/06/2024, 03:53
General
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Target
2024-06-02_c25cfef9f6e7e22215dabada24b4d2cf_cryptolocker.exe
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Size
70KB
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MD5
c25cfef9f6e7e22215dabada24b4d2cf
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SHA1
870a42ee337f455ccb781de660559ebc68af98ef
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SHA256
da18e3489c8ab564c39040ed33b0db45c5aff2877bcd5358018462e8ce9106bd
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SHA512
d9fa4e6cff837a79d61274aa2f7852280a9b81b6f800e9c17bfad49f3e52fe44350124e30bee1b9014f598e1c8e2af93a2e0e05744ac845f369d42b8b619335c
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9B:C4Q2c94OtEvwDpj4H8zY
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-06-02_c25cfef9f6e7e22215dabada24b4d2cf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_c25cfef9f6e7e22215dabada24b4d2cf_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
70KB
MD5b1be912de13cf65714af6d30761609bd
SHA11cfe151a333fb59c8edaecbdcaaa39c61e2f5a18
SHA256a5f9adf0a3db6360918f20a1bf75f7c6149bf60cdc02ad214e9472d0efb322af
SHA512adbcd4862759a5f375762d6e7b1e29854bda7c93242f4f190d3b94b995f63a1adc0a3d7536ad0ddf9d35ea12dd5236046611567cdb57b60ce024c36ea99c6d0d
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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
64KB
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Filesize
24KB
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Filesize
64KB