Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
18/02/2024, 09:37
General
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Target
2024-02-18_2fde95a90fc5007b60a16e2650b12e65_cryptolocker.exe
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Size
117KB
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MD5
2fde95a90fc5007b60a16e2650b12e65
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SHA1
3363412851a8e1e978533f9fc4a5f015e04d8643
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SHA256
02a0f24d817083029c7e417400b81df678a7fa7e18b7712bab2e8835683b60aa
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SHA512
18e4256ee4abda2eada53912606f3a1cb13275cb0e8ac9f9d1ee98813071476946841d27cc574d0bb0cb55ad9f46687d3473d3f0b10c6d2abbe5873a17465c32
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01b:z6a+CdOOtEvwDpjczJ
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\2024-02-18_2fde95a90fc5007b60a16e2650b12e65_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-18_2fde95a90fc5007b60a16e2650b12e65_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
117KB
MD59f40d0037f27a37e9992d523f2dde721
SHA1f2e8e835d6a403cad61c7b31d02adad72620598f
SHA256e45216532311da4273193f13c9b3053a4d3843e836027cdddc07285f491dca3c
SHA5125ffac25578eeba45aad1c617e066143e05793de803580c3fab46cdedade1314083f306ead23394a47dc15ae93891f7ed5a8463252623656910c3afe3f6a1a365
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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