Analysis
- max time kernel
14s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
22/10/2024, 10:45
General
- Target 4ac48637b0c873c5a6747754cf380932a7a63658c562937dcc85d2a8db56bbb6N.exe
- Size 70KB
- Sample241022-mtpwas1blf
- SHA256 4ac48637b0c873c5a6747754cf380932a7a63658c562937dcc85d2a8db56bbb6
Malware Config
Signatures
- BlackNET
BlackNET is an open source remote access tool written in VB.NET.
- BlackNET payload 1 IoCs
- Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 56 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4ac48637b0c873c5a6747754cf380932a7a63658c562937dcc85d2a8db56bbb6N.exe"C:\Users\Admin\AppData\Local\Temp\4ac48637b0c873c5a6747754cf380932a7a63658c562937dcc85d2a8db56bbb6N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
WindowsUpdate.exe
memory/1420-29-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1420-32-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1420-3-0x000000001B9C0000-0x000000001BE8E000-memory.dmp
memory/1420-4-0x000000001BFF0000-0x000000001C08C000-memory.dmp
memory/1420-6-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1420-5-0x000000001BE90000-0x000000001BE98000-memory.dmp
memory/1420-7-0x000000001C150000-0x000000001C19C000-memory.dmp
memory/1420-8-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1420-9-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1420-10-0x000000001F300000-0x000000001F362000-memory.dmp
memory/1420-13-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1420-14-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1420-24-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1420-1-0x000000001B440000-0x000000001B4E6000-memory.dmp
memory/1420-28-0x00007FF874125000-0x00007FF874126000-memory.dmp
memory/1420-0-0x00007FF874125000-0x00007FF874126000-memory.dmp
memory/1420-2-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-40-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-38-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-34-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-35-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-36-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-37-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-31-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-39-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-41-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-33-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-42-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-43-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-44-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-45-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-46-0x00007FF873E70000-0x00007FF874811000-memory.dmp
memory/1528-47-0x00007FF873E70000-0x00007FF874811000-memory.dmp