General

  • Target

    383415F1B59A5B44074655ECF23D806B.exe

  • Size

    99KB

  • Sample

    250128-2l36aatkgs

  • MD5

    383415f1b59a5b44074655ecf23d806b

  • SHA1

    febd2f81bfb9debb631160673f6bf5718cae0f37

  • SHA256

    47f20e39f51c71bbc24e7bf28496c859cf3e4e9dc81cc439f177956aba6d32a3

  • SHA512

    62a081357e5ef2b1cd8cb3d3062624a8192542fba3f1959a9a5ab17db0fbb5f2687244a99abb31ee9631c19d4134f3d1e5bc313f1c97de10ff1c4c13e028ab17

  • SSDEEP

    1536:09FUuRWzwFfsSMBdvueI5Xq8ZGAHEKJusRebSTr2qPQ2TYB+ezwRYx3beV5EKQLa:/MlDZGIuLS3TYB+eztx3be/EKyyFfai

Malware Config

Extracted

Family

blacknet

Version

v3.7.0 Public

Botnet

HacKed

C2

http://148.72.170.231:4444/BNET

Mutex

BN[]

Attributes
  • antivm

    false

  • elevate_uac

    false

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    e162b1333458a713bc6916cc8ac4110c

  • startup

    false

  • usb_spread

    false

Targets

    • Target

      383415F1B59A5B44074655ECF23D806B.exe

    • Size

      99KB

    • MD5

      383415f1b59a5b44074655ecf23d806b

    • SHA1

      febd2f81bfb9debb631160673f6bf5718cae0f37

    • SHA256

      47f20e39f51c71bbc24e7bf28496c859cf3e4e9dc81cc439f177956aba6d32a3

    • SHA512

      62a081357e5ef2b1cd8cb3d3062624a8192542fba3f1959a9a5ab17db0fbb5f2687244a99abb31ee9631c19d4134f3d1e5bc313f1c97de10ff1c4c13e028ab17

    • SSDEEP

      1536:09FUuRWzwFfsSMBdvueI5Xq8ZGAHEKJusRebSTr2qPQ2TYB+ezwRYx3beV5EKQLa:/MlDZGIuLS3TYB+eztx3be/EKyyFfai

    • BlackNET

      BlackNET is an open source remote access tool written in VB.NET.

    • BlackNET payload

    • Blacknet family

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks