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Analysis
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max time kernel
149s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
18/01/2024, 23:36
General
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Target
2024-01-18_fb88ec790020af0ded1271362216c574_cryptolocker.exe
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Size
92KB
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MD5
fb88ec790020af0ded1271362216c574
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SHA1
2f3a1aa5919dff2aac0b3fb7083ad7b11e93bb2b
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SHA256
3704f84a27f8b80bdb1b2519802f75948b0282e13d8e67a6a8f9fb4d34c9a6d5
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SHA512
f2036d63caf28c78fcad5b1f75bd3d53a10c908f7c67b96d7e47d639a793f355b8f684026db6d07db526032703cdb9197a21908c200c67678d3284789f732d40
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp01r:AnBdOOtEvwDpj6zZ
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\2024-01-18_fb88ec790020af0ded1271362216c574_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-18_fb88ec790020af0ded1271362216c574_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
92KB
MD5d3d04fbb93b85d32afddd5adfbf2c6d1
SHA1f2d129da2e17538489e04d7a3a872baa4b83f326
SHA2567806d9c155fcc4fc5b032b5e16334f8fae4060ef14a928d38d8286b1e6358354
SHA5122b52cc3e6e701ac343f92a7fe763f62ca464e3f0f478cbd2cd737679fa0430ca5098162aab4507b75af44b64a1b7bbf764308146e317ca807e34f11e43e8a084
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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
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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
60KB