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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12/10/2024, 07:36
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe
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Size
87KB
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MD5
2dd4fee82e71b47dcd3253071ca9e8c1
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SHA1
dee26edcdf3f3cc32c56754e47732ad874ef976d
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SHA256
86300370e82c37a1421a93def0ba432d13f939316500f77404399b64412c0ba8
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SHA512
6240de9c9a405a5cb77f7f26a5ade9e4aa807e783c304d337484bf474f5eaa0fd28b5b2fb9c5131c56a19bd1b84c6d2c60057420c4f880038ca19afc51f40f64
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SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrCsf:TCjsIOtEvwDpj5HE/OUHnSMD
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2164 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2100 2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2100 wrote to memory of 2164 2100 2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe 30 PID 2100 wrote to memory of 2164 2100 2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe 30 PID 2100 wrote to memory of 2164 2100 2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe 30 PID 2100 wrote to memory of 2164 2100 2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-12_2dd4fee82e71b47dcd3253071ca9e8c1_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2164
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
87KB
MD5420ad752a26f802f3ba49b431353f727
SHA1ec806d20e38ef368e7aee361305b81bcb8f339ff
SHA2562e3399e2d33e614f0faa9a394a84d3c3aeed85042d83b0ffddfa26724fa693ae
SHA512e2981524a83914a0409ecc0b61cf9fa27d07be51fad56d38c942e36cf3d8bf4e49c27b89bf07970f53b0f62eb77b1efb4d9482ecc9c27ce0f4095fb7f45e4342