Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
25/04/2024, 04:03
General
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Target
2024-04-25_bdd7ae0e69b9323554754e2736d8971d_cryptolocker.exe
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Size
88KB
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MD5
bdd7ae0e69b9323554754e2736d8971d
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SHA1
f4dbec55990260d5963cb65946f806b3d2a2191b
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SHA256
5a115b2e79ea7dc24fa717c7efc806b3d84faa8fbfd5da320ea204053578c626
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SHA512
2c711d3b370c26f1050afb608e427c7ad2da9d821e136afc8d5047185f9aa4f0fd4b10b31e6a617eca14faf872edc846df6cd79f9b406f59063b71a19f15c7b6
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgIip:AnBdOOtEvwDpj6zH
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\2024-04-25_bdd7ae0e69b9323554754e2736d8971d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-25_bdd7ae0e69b9323554754e2736d8971d_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
89KB
MD5be9d69c21d615241ee222e35c4342d17
SHA13a76f71923260a2cfa970ec9745dc97ca5b91ef5
SHA256717819baf5126c9a6d2dc09187259a479b5f79de8b97494c4d17a03ef694a907
SHA5120a717fb68dc5d11224b65e3f4669099bc3c43667bef89f74d3f8efbbf15ec0c57097289058870f9f59ea51970076ce4c57562052f15590616cb38f8fa0d78377
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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
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