General

  • Target

    dynamic_loader.exe

  • Size

    6.9MB

  • Sample

    240919-e6nvrs1dnb

  • MD5

    7a824d33fa3fa451da500ceb5b332607

  • SHA1

    15c0a254c3ab0c9e83f19be4abbf96f9cb914544

  • SHA256

    6577f67f432e72d7af868b787346e3a94fd8792fac7aa08e3c244560ece7384f

  • SHA512

    a6d7a4b52f12c1787170b9387aa8e37fe09947e35cd7a991ae35733e3dd9e27530a181d027ff6c3dc8c67a1475273c0439db972280b428d0d4654e8402c3011e

  • SSDEEP

    196608:tKRV2NBKA1HeT39Iig5Tet4Q4G/NsINyzWWAMYI93:WV2fj1+TtIiOS1NsIkzWWAcx

Malware Config

Extracted

Family

blacknet

Version

v3.7.0 Public

Botnet

RED-S

C2

https://fertileblack.scot/framework

Mutex

BN[]

Attributes
  • antivm

    true

  • elevate_uac

    false

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    e162b1333458a713bc6916cc8ac4110c

  • startup

    false

  • usb_spread

    false

Targets

    • Target

      dynamic_loader.exe

    • Size

      6.9MB

    • MD5

      7a824d33fa3fa451da500ceb5b332607

    • SHA1

      15c0a254c3ab0c9e83f19be4abbf96f9cb914544

    • SHA256

      6577f67f432e72d7af868b787346e3a94fd8792fac7aa08e3c244560ece7384f

    • SHA512

      a6d7a4b52f12c1787170b9387aa8e37fe09947e35cd7a991ae35733e3dd9e27530a181d027ff6c3dc8c67a1475273c0439db972280b428d0d4654e8402c3011e

    • SSDEEP

      196608:tKRV2NBKA1HeT39Iig5Tet4Q4G/NsINyzWWAMYI93:WV2fj1+TtIiOS1NsIkzWWAcx

    • BlackNET

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

    • BlackNET payload

    • Contains code to disable Windows Defender

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Enterprise v15

Tasks