Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 09:49

General

  • Target
    matcha-installer.exe
  • Size 2.6MB
  • Sample260706-ltngssds2z
  • SHA256 b3ad1389f9962206c973c4acefbb32f3c26cbdb884c6f01445deeeb6f9f9f8e9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • blacknet

Version
  • v3.7.0 Public

Botnet
  • HacKed

C2
  • http://kalashnikovs-001-site1.jtempurl.com/bk

Mutex
  • BN[857a86a7ab6cccdcc58aebfdcd8ee5bc]

Attributes
  • antivm

    true

  • elevate_uac

    true

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    e162b1333458a713bc6916cc8ac4110c

  • startup

    true

  • usb_spread

    true

Signatures

  • Family: 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.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\matcha-installer.exe
    "C:\Users\Admin\AppData\Local\Temp\matcha-installer.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5780
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5792
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5000

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          __PSScriptPolicyTest_tl3dobob.0f5.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tl3dobob.0f5.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/5780-1-0x0000000000E20000-0x00000000010CA000-memory.dmp

          memory/5780-0-0x00007FF98F94F000-0x00007FF98F950000-memory.dmp

          memory/5780-2-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5780-3-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5780-4-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5780-5-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5780-6-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5780-36-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-17-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-29-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-14-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-15-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-18-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-19-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-20-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-21-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-28-0x00000222333F0000-0x000002223340E000-memory.dmp

          memory/5792-16-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-31-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-30-0x0000022233410000-0x00000222334C2000-memory.dmp

          memory/5792-32-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-33-0x00000222334D0000-0x00000222334DA000-memory.dmp

          memory/5792-34-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-35-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp

          memory/5792-12-0x0000022233140000-0x0000022233162000-memory.dmp

          memory/5792-38-0x00007FF98F7C0000-0x00007FF990164000-memory.dmp