Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
02/05/2024, 03:27
General
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Target
2024-05-02_1c3485549b4fc90a4253577f8ca056d6_cryptolocker.exe
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Size
38KB
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MD5
1c3485549b4fc90a4253577f8ca056d6
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SHA1
211f3e8edd447958be249102588b2c20c5808a76
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SHA256
f63b933fa85861a184c207dc6cda157df46d3da4974b45a03d9834649ce7342b
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SHA512
cd2f47eaa13b34a97922803db9486624526c17f73e5fbdeab3f7aff86ab23b1d639070f51e52d79577358bc7ed54b415e3e0897b752e3d0e0f22832c1689c437
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYjB:qDdFJy3QMOtEvwDpjjWMl7TkB
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\2024-05-02_1c3485549b4fc90a4253577f8ca056d6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-02_1c3485549b4fc90a4253577f8ca056d6_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
38KB
MD53589c67c82ac987f0a22412d20d15f5e
SHA1d70c7e51f8e4468428624b9c5f905b33901e5a4f
SHA25641fe2da981e77b1b4ee96176375c0d110edea5a3b9cbcb728e8151aab32cb0c0
SHA51204aac67389966eb3f6a05804acbb1b4a5595e2fa4dab9acd796cbf1504b9eb1ef55f92959e20b12f53b1e17081d93838dde3c0b1708f434303ba59b6308e5bf8
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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