Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
12/05/2024, 05:00
General
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Target
2024-05-12_f1dfc978457bcf4de500e6a0b85df6e6_cryptolocker.exe
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Size
37KB
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MD5
f1dfc978457bcf4de500e6a0b85df6e6
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SHA1
8ffa03e88a785b45a7941c4cb36730fb5ec6ce55
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SHA256
56a09580eacbf009defe09d9a71f11c32dc67098b35914efe9d2f74f99adcd36
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SHA512
290a621f3da7f58fc896f2ec32344392ee2ec9f4f11524c6f1725404953cf3a411e4718959ecc42092e7e7a6d5c653bcba41f0fe2ad8557075bf8410744dfa62
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3f:qUmnpomddpMOtEvwDpjjaYaQf
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\2024-05-12_f1dfc978457bcf4de500e6a0b85df6e6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-12_f1dfc978457bcf4de500e6a0b85df6e6_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.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
37KB
MD59bb04fe333c187073a5fa47e9e8821e2
SHA143921be98b360447cbbf1ca8be44deab2778be38
SHA256fedc27154787e50d735f0e6cb5549e88f1ef522b3969ae35d543062c3efe25a1
SHA512e9f3b08666f7c271041c3e49f07bb23582b51edc8543b4dd6d493c05127ee1c846e02e7976d58eccfcd7f3e6c5c85b4b8ec8127c664e28ae0b58b837ce01de08
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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
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB