Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
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submitted
21/05/2024, 04:33
General
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Target
2024-05-21_22538fcb91c4dc8914300a717054e809_cryptolocker.exe
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Size
74KB
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MD5
22538fcb91c4dc8914300a717054e809
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SHA1
28d2fa3a00e3ae77fd40b75d70aee2112d5e23a7
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SHA256
8c7f8922d6ace1b23d9d68b0d6a48e1e720e2d69f963b83f408e02ef7a192bd7
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SHA512
e9f3b522c43d6c1d1ab47ed12d79f97a309cd136ecd900278a838345a26e4cb1dd17b4870b2e746582e3ba167dbed0ad5b84465845557df84ff06cd3503ee4fa
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9Vu:C4Q2c94OtEvwDpj4H8zR
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-05-21_22538fcb91c4dc8914300a717054e809_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-21_22538fcb91c4dc8914300a717054e809_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
74KB
MD535145cf17ab5f4b73c851aa04c7d0e18
SHA149c45cc26bd7a1019a505b3d0ac015ae22af3f83
SHA256170a904df3924a1b3bb5822e26ebff19ec1f30ee781c32c82958dc5e61f99532
SHA512b68ab55c4a037850141e5ea94137a4990979ac8358663353736b28fddc1669c5ec94c404711e08c4733484442ea52cdff56e74a0f10724988a9c08d196a731c8
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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
24KB
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Filesize
24KB
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Filesize
64KB