Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
19/02/2024, 16:46
General
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Target
2024-02-19_a720c43cb61999ea2b7a282e3f939e6b_cryptolocker.exe
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Size
97KB
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MD5
a720c43cb61999ea2b7a282e3f939e6b
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SHA1
79566986f5b59b5af7c1c2116e0fafd62b7082a2
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SHA256
777907bec2cf843765b279a0dcb3266b4412918d10f7ea7d862ace712bd1cae5
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SHA512
f94cc5623a67ed7b40b6f276037b17af63a0ad9799c8da3c845b11c34117b42b7191620ef04eba8a99da9810b42aa034b44733dadcbe040ad04b75a622762995
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SSDEEP
1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCJq:26a+2OtEvwDpjtzj
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\2024-02-19_a720c43cb61999ea2b7a282e3f939e6b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-19_a720c43cb61999ea2b7a282e3f939e6b_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
97KB
MD52f3b0cb28f4736298aa97ee139c0c763
SHA1250cd77af7fcaa910519b597a1f1dd20c6a5764d
SHA2568b6c9cf75af65d9dd1f606cac7aafb4e3ff8232001b0d0637a009bd0ab036e28
SHA512138537d2c7d70b45aebacfc3bd3849f3158ef4844973fffc21cddf0c70b425b1570492ffcad669676bba031e7748dc9e6f2870fc5fd09553a132ad5bc2795c2e
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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