Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
27/04/2024, 08:27
General
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Target
2024-04-27_8f9934ce5cb78209b4c3986a5f6703af_cryptolocker.exe
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Size
80KB
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MD5
8f9934ce5cb78209b4c3986a5f6703af
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SHA1
f333674f8b0538b6a657120b0b28aaee3ca59876
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SHA256
a2c5c00c8cc0e861fbee028c97a4860771cfb89e67794d84a01135738b093d83
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SHA512
8ca99e12fff819f813d91ebf33cfb238471c164b60cd75ec59d10430003fc72aa09530cf67c1c52c7560e2db3696eef20e4b1b939bba8e98764aec97d963f2f1
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qf:zCsanOtEvwDpjb
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-27_8f9934ce5cb78209b4c3986a5f6703af_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-27_8f9934ce5cb78209b4c3986a5f6703af_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
80KB
MD5b701a6c985522c68977dc110c7f7f26b
SHA1a714a8f4920cdba31bed8e282c93ff77505a2464
SHA25636da2abf26fc983b5239232334f38e31b3880dea5c5658ce13f6ac571f622c14
SHA512fa96f7df685f70fc0fb1f0f99b200317c72f0aabc49ea35b65101fb0a64aab0e8b9179df3f73e9e46d3b8251116eebcdfdd0111f50b0054fa84ff5486f52ca9e
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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
24KB
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Filesize
64KB