Analysis

  • max time kernel
    106s
  • max time network
    110s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    26/04/2022, 07:36

General

  • Target
    2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe
  • Size 116KB
  • Sample220426-jfe76affep
  • SHA256 2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • blacknet

Version
  • v3.7.0 Public

Botnet
  • CN32mX

C2
  • http://theblogreader-blog.wtf/panel/

Mutex
  • BN[64edd583e1917b9564d89cb984d089c0]

Attributes
  • antivm

    false

  • elevate_uac

    false

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    e162b1333458a713bc6916cc8ac4110c

  • startup

    true

  • usb_spread

    false

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.

  • suricata: ET MALWARE Win32/BlackNET CnC Keep-Alive

    suricata: ET MALWARE Win32/BlackNET CnC Keep-Alive

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe
    "C:\Users\Admin\AppData\Local\Temp\2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1996

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1996-54-0x0000000000AD0000-0x0000000000AF2000-memory.dmp

        memory/1996-55-0x000000001AF00000-0x000000001AF02000-memory.dmp

        memory/1996-56-0x000000001AF09000-0x000000001AF28000-memory.dmp