Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25/09/2024, 05:24
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-25_7cadd6d7926d03688be485444600923b_cryptolocker.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-09-25_7cadd6d7926d03688be485444600923b_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-25_7cadd6d7926d03688be485444600923b_cryptolocker.exe
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Size
54KB
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MD5
7cadd6d7926d03688be485444600923b
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SHA1
5ba4f917ccbcbfd1a3e9f03c8b7408de87e9e667
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SHA256
67b1bf11d6d4f8db2d431ae453292a2f3129a4fb12863de99e31304461b830e9
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SHA512
a75a4e8c21c21f2321b60515bc0dc67fd35df547887deebabb0f887a2ed592f6e59e7b7c0efb40738b93a24b66f4faa875cf0241a007a58c7c34594d2b42af1a
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb617xQ6:BbdDmjr+OtEvwDpjM1
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 2024-09-25_7cadd6d7926d03688be485444600923b_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4516 asih.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 2024-09-25_7cadd6d7926d03688be485444600923b_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 960 wrote to memory of 4516 960 2024-09-25_7cadd6d7926d03688be485444600923b_cryptolocker.exe 83 PID 960 wrote to memory of 4516 960 2024-09-25_7cadd6d7926d03688be485444600923b_cryptolocker.exe 83 PID 960 wrote to memory of 4516 960 2024-09-25_7cadd6d7926d03688be485444600923b_cryptolocker.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-25_7cadd6d7926d03688be485444600923b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-25_7cadd6d7926d03688be485444600923b_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:960 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4516
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
54KB
MD5cd8ab6ca27fb2ba8f0dda088da3e2f26
SHA19f257ba0a87bee2d6cc6c4ba7943e3e24e88b796
SHA2568befd527753c55911e833d4d24dd1174d1b40b746672a83f051a7ba03d4f12b1
SHA512d05acf0164e3b61e77d0990a0f2757ecfe49647a2259b407fa5da93200a2fb4a4aaf1ef66ade07ebf09ef1fd50a5d4ee936e63403eddf60baf85eb4b5b7fb4ff