General
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://mega.nz/file/dVo31I6A#ZcoYTJffHohVB1U_0hsI9YLAngdsrLuGvKbj8jJkFh4
Resource
win7-20220812-en
windows7-x64
25 signatures
150 seconds
Malware Config
Targets
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Target
https://mega.nz/file/dVo31I6A#ZcoYTJffHohVB1U_0hsI9YLAngdsrLuGvKbj8jJkFh4
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Downloads MZ/PE file
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Drops file in Drivers directory
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Executes dropped EXE
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Possible privilege escalation attempt
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Modifies file permissions
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Adds Run key to start application
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Checks for any installed AV software in registry
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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MITRE ATT&CK Matrix ATT&CK v6
Persistence
Registry Run Keys / Startup Folder
1Bootkit
1Hidden Files and Directories
1Defense Evasion
File Permissions Modification
1Modify Registry
2Install Root Certificate
1Hidden Files and Directories
1