Analysis
- max time kernel
10s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
26/10/2024, 14:21
General
- Target d035b6a6cf9e2756a7e65c0f9a07858e710839ce26fc067cc0e9be6d9c0deceaN.exe
- Size 70KB
- Sample241026-rphnmsvepd
- SHA256 d035b6a6cf9e2756a7e65c0f9a07858e710839ce26fc067cc0e9be6d9c0decea
Malware Config
Signatures
- BlackNET
BlackNET is an open source remote access tool written in VB.NET.
- BlackNET payload 1 IoCs
- Blacknet family
- 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 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 29 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d035b6a6cf9e2756a7e65c0f9a07858e710839ce26fc067cc0e9be6d9c0deceaN.exe"C:\Users\Admin\AppData\Local\Temp\d035b6a6cf9e2756a7e65c0f9a07858e710839ce26fc067cc0e9be6d9c0deceaN.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
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
WindowsUpdate.exe
memory/2064-41-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-44-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-50-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-49-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-48-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-47-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-46-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-45-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-43-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-42-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-40-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-39-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-36-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-38-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-34-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2064-33-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2832-10-0x000000001D680000-0x000000001D6E2000-memory.dmp
memory/2832-11-0x00007FFA24835000-0x00007FFA24836000-memory.dmp
memory/2832-1-0x000000001B760000-0x000000001B806000-memory.dmp
memory/2832-18-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2832-17-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2832-37-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2832-13-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2832-14-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2832-12-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2832-2-0x000000001BCF0000-0x000000001C1BE000-memory.dmp
memory/2832-0-0x00007FFA24835000-0x00007FFA24836000-memory.dmp
memory/2832-19-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2832-32-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2832-9-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2832-8-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2832-7-0x000000001C480000-0x000000001C4CC000-memory.dmp
memory/2832-6-0x000000001C1C0000-0x000000001C1C8000-memory.dmp
memory/2832-5-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp
memory/2832-4-0x000000001C320000-0x000000001C3BC000-memory.dmp
memory/2832-3-0x00007FFA24580000-0x00007FFA24F21000-memory.dmp