Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
03/05/2024, 04:49
General
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Target
2024-05-03_d992e2c808eff47c62a28b8aa665869f_cryptolocker.exe
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Size
52KB
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MD5
d992e2c808eff47c62a28b8aa665869f
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SHA1
a490158586fac86b25bc3abf717ae0b9756964b2
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SHA256
a0ab7fb93a16b7976fd5a381754435855e6b8d6054f8bb003372d43840ec0203
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SHA512
8627cc69132d9213fa995713631c14f663bf5c9b67aa31bb13e3c3888a576f80f188ec2b49e343c6f0929a55888ae31bbdb076ec0e5ddc0406203b4dfa52b547
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOkb:z6QFElP6n+gKmddpMOtEvwDpj31ikb
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\2024-05-03_d992e2c808eff47c62a28b8aa665869f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-03_d992e2c808eff47c62a28b8aa665869f_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
53KB
MD5306eebe892f16f2c148cfd16ea94ceaa
SHA17e248d8b7a134ee72bc4e6b2bc2b640bca81abb2
SHA256ae834ce1e10fe5f25faf0663468ebf824c7b053f3d68f833eb88df97f730e9ef
SHA5120fce31031148b0028cd06ec6a0bd0d5ce7e3640e00c72b1f53ace14f927b6015aac1a8e2806ba0f2ad39e52437d23646f20bb647427a465fa98e75368edf903d
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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
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB