Analysis

  • max time kernel
    60s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 01:54

General

  • Target

    2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19.exe

  • Size

    116KB

  • MD5

    49e39d8529165862135fef9cc21b4b3e

  • SHA1

    839c0acdfc840f81fd8eb24c55bdee74c87d79cf

  • SHA256

    2f5618011959e0ea6248675fe90c7ff13966cfccb5d0d84d46163d0b4814ca19

  • SHA512

    04a338a1745b3c244dcd9f8c9868865d8fdb437212da271c6cc1a776a8668d3a01f1b21e4245e66a3b2cc7d5f665c1a7a97ee39b5555ba7a892333441122ca17

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 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⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4912

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4912-131-0x00000000003F0000-0x0000000000412000-memory.dmp

    Filesize

    136KB

  • memory/4912-132-0x00007FFD464E0000-0x00007FFD46FA1000-memory.dmp

    Filesize

    10.8MB