Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
10/03/2024, 22:51
General
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Target
2024-03-10_941ad46f3e7eaa75f9d6ba8528aa9d3f_cryptolocker.exe
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Size
60KB
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MD5
941ad46f3e7eaa75f9d6ba8528aa9d3f
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SHA1
7d0194dfbb00ee256ec38f45114f675acb919c30
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SHA256
5c292e9d319ea77006f83502cad0a6f4559d9e78ab6f1e8991e27bb774fc1ffa
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SHA512
dd73f3d66aad1c00de9ec9593b632f8785762897400860bd8e92451a9c0b3ea2d5ce2172dd73ee0ceb6b6f41117aca5c55296201dcf75b34021725939062434d
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8J5B5:T6QFElP6n+gxmddpMOtEvwDpjwa3B5
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\2024-03-10_941ad46f3e7eaa75f9d6ba8528aa9d3f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-10_941ad46f3e7eaa75f9d6ba8528aa9d3f_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
60KB
MD520ca2b060b0ca72b9e394d9d501a61b5
SHA19f9b7f7441173ed1722d366791394a8c68f92b69
SHA256995cf5b86fad1e68e27300b734c324086ce7c735df18a9872864145cd023fd24
SHA512570e72de1f2d01ac05a73f393bbd8282cbee4d351299ffd84737d3d7177709428cbbc0628e24bf635fc62b2d72cdc3e82fd9d9066c28fb5ebeb98cb927e79d8d
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Filesize
64KB
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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