Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
22/02/2024, 17:32
General
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Target
2024-02-22_437abfb34b9ba49b0a999262bd23bf24_cryptolocker.exe
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Size
126KB
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MD5
437abfb34b9ba49b0a999262bd23bf24
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SHA1
9f6a0dd0cd94a74740895fc63a5ebcef887d3a86
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SHA256
c5106c1af374abfaddc597dd5951bb3f5514e3f9b671b4cd90b4107abe89f1a8
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SHA512
fed5120a7c41298e1b60eb51d49e00db75bc9a69202689f1f873efaefac49f21fb9a294100eb9fa89edf40e1e4d5c24ba54048ad9d5678529ae4a6773de5029a
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1eIEW:AnBdOOtEvwDpj6zk
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\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_437abfb34b9ba49b0a999262bd23bf24_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_437abfb34b9ba49b0a999262bd23bf24_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
126KB
MD562b1460c810c7e1ba22122971cf58bb2
SHA119c8a6285aa612cc0b8e87ecec985a69472c44c1
SHA256b43f9c772ca6f4dad4e41cffb6bb282a56cbeacd76627e5ef813f21d95fcafa0
SHA51216f27e761ddf547edc84a88261f24c928cd6cc12df3b8c0753c7a24d562d67f3553e26b2e562e96176df7320c660a9954f3acbcd28927af3568df0e6b2e11c76
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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
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB