Analysis
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max time kernel
133s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
22-02-2024 05:27
General
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Target
2024-02-22_be2be8ac43198435261e5908f8fd0b87_cryptolocker.exe
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Size
81KB
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MD5
be2be8ac43198435261e5908f8fd0b87
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SHA1
4cdcb97a517471b43c335bc2deec7dae1ca6a134
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SHA256
3b1dfb973b00716f5e63a3c04e1a73defd4b81d725df138d12aa4c2d14fe012c
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SHA512
df4a0ddc91df4d57a5b9b85759d4057a6ca26c3db42220ea18fc3a787729e2dc46d61d92ab8f610a547f768498390349df25c1ddfdad300ee91083529f3b3972
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7WlW:T6a+rdOOtEvwDpjNR
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 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 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\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\2024-02-22_be2be8ac43198435261e5908f8fd0b87_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_be2be8ac43198435261e5908f8fd0b87_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
81KB
MD53f559d2c9e247f85f86979cdd5a4142c
SHA1fe1818feca1ac1181d48c8c0191879bd46b66f95
SHA256c28b957896de85fd7ad98d52a0ddbab1e6cb3c63e8541c7a8829d39aa227903a
SHA512e9fdc26b990ca495154af73b1b7e9dea03e16c7041915e6f74d34f36a3eefb1b2b7abe9ae005cd37aceaf544bfacc0b4645a2df41b438921ad156ee1151c37fc
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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
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