Analysis
- max time kernel
10s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
23/10/2024, 13:33
General
- Target 12314f19fcc7ba70f1260027372116606d111778c5c9766c78b7701e26278999N.exe
- Size 70KB
- Sample241023-qthnrssfka
- SHA256 12314f19fcc7ba70f1260027372116606d111778c5c9766c78b7701e26278999
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 64 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\12314f19fcc7ba70f1260027372116606d111778c5c9766c78b7701e26278999N.exe"C:\Users\Admin\AppData\Local\Temp\12314f19fcc7ba70f1260027372116606d111778c5c9766c78b7701e26278999N.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/1360-8-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/1360-10-0x000000001D0D0000-0x000000001D132000-memory.dmp
memory/1360-3-0x000000001B7B0000-0x000000001BC7E000-memory.dmp
memory/1360-4-0x000000001BDB0000-0x000000001BE4C000-memory.dmp
memory/1360-5-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/1360-6-0x0000000000B80000-0x0000000000B88000-memory.dmp
memory/1360-7-0x000000001BF10000-0x000000001BF5C000-memory.dmp
memory/1360-34-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/1360-2-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/1360-11-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/1360-9-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/1360-14-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/1360-15-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/1360-1-0x000000001B230000-0x000000001B2D6000-memory.dmp
memory/1360-28-0x00007FF8DC205000-0x00007FF8DC206000-memory.dmp
memory/1360-29-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/1360-0-0x00007FF8DC205000-0x00007FF8DC206000-memory.dmp
memory/4232-36-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-45-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-31-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-35-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-30-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-37-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-38-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-39-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-40-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-41-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-42-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-43-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-44-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-33-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-46-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-47-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-49-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-48-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-50-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-51-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-52-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-53-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-54-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-55-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-56-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp
memory/4232-57-0x00007FF8DBF50000-0x00007FF8DC8F1000-memory.dmp