Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
11/05/2024, 05:01
General
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Target
2024-05-11_a081cde8ab04a1f61f48cbdf9b993a65_cryptolocker.exe
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Size
72KB
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MD5
a081cde8ab04a1f61f48cbdf9b993a65
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SHA1
1a534afd4312808507ddc3a91206e3f6ee2d825a
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SHA256
d83c535e776afce2da92843fc0542ffeb8c6322d297e7eeb8a089d2c2d74f067
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SHA512
13e03a451d274dd26cf2eba1b89b66060ade32c4348407dc7da8fccf49fe0c95ae96a356f921ffa8d96bb3ad9aa2232063cf3d36629833fb05fde4db4626eeee
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9n:C4Q2c94OtEvwDpj4H8zq
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 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\2024-05-11_a081cde8ab04a1f61f48cbdf9b993a65_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-11_a081cde8ab04a1f61f48cbdf9b993a65_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
73KB
MD5c3285a69ee1012f9cb5166f1b33300bc
SHA151cfb44a8629885630591ca5359376612dc081fe
SHA256f23485484a801078456262d9c75c416febe5a6fc01a4020ee79142acc127f16c
SHA512434955a75de5815378c6e8108d1596eb7b0d945f7bc15336023d620526070cffd1f725a7ced1522ed16d76ad52b52f371b6f98e016b4d751c3d4e3a265c34bb1
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Filesize
24KB
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Filesize
64KB
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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