Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
30/04/2024, 23:51
General
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Target
2024-04-30_e521b28cbf8e1a03ed1200f09225a717_cryptolocker.exe
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Size
38KB
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MD5
e521b28cbf8e1a03ed1200f09225a717
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SHA1
78824783f1e186752b0673b12fd5b4b3dbb7d30a
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SHA256
c6807accd48df7625c7996d7ab6610ee759a05fa5e67f36c5284a425df3294cd
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SHA512
b5bb7e3d53d87133d151870c5317dd59eaac22e0f674570c103c97404adba7f8b37c210f12ca04f9c14153af053c0f3377c0ba407417939a8e857c2e262d750c
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaaUS:qDdFJy3QMOtEvwDpjjWMl7TdaUS
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\2024-04-30_e521b28cbf8e1a03ed1200f09225a717_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-30_e521b28cbf8e1a03ed1200f09225a717_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
39KB
MD584bdcbeec0e5b8810225569e550c5d3c
SHA1254bb470ddc4a1b7f665419d08e2f07062796f79
SHA256f57cd8fe4bda62a60994f7f177187892f8f4637a76fd5546ae9f77cf7671e064
SHA512b478029da5ba0a2e7e4b31213815eb7fd11ac0dcac8c8e448845f3858b534da9e426598d33acff4e1a1c2469a37687c47e2405be470ab7ce8b031c9871432dd3
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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