Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
29/02/2024, 04:42
General
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Target
2024-02-29_36a1d6502285049335fe209148766fb1_cryptolocker.exe
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Size
49KB
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MD5
36a1d6502285049335fe209148766fb1
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SHA1
ea0adc7a3607c4eec221b0699507eca3527eb23a
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SHA256
8fb8191fd47f039f7081d382ea573f8681fbef68bd7b9f031a0c365ba4a11e0c
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SHA512
c42037e79126405a548d96a84e762430b565659a23517ed274efb1b532f711f6d8bb32a98e579b5148bd35430dcbdb579de5127add3412c1e50c3c323265fb48
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxsDZ:X6QFElP6n+gJBMOtEvwDpjBtExsDZ
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
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Detection of Cryptolocker Samples 1 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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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\2024-02-29_36a1d6502285049335fe209148766fb1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-29_36a1d6502285049335fe209148766fb1_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
49KB
MD505d9778431df54fb405a305911386b54
SHA1f3b102fa20b98a86a6c2694cfd270317ef4a1532
SHA256b537177e4f68d81568d9d95298d2713fe3dd8bcd3002cccfb61f46d778ec4553
SHA512667371a044c04803604fe928ac2fe7c859d1091c61ecfa6352424ff40b9050c1482b10ace7f796784cf73c51637bc5b5c33925977c4c4214fec9073f3c52e513
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB