Overview

overview

10

Static

static

10

D867A6939E...2E.exe

windows7-x64

10

D867A6939E...2E.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    D867A6939E03FF1CCF63605DDDEA632E.exe
  • Size 195KB
  • Sample240304-pp92saac5v
  • SHA256 eecb4035c620f07749f4627e6c7243dd4053b4918c6d76e236374900d0dace3b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
blacknetwindows updateevasionpersistencetrojan

Malware Config

Extracted

Family

  • blacknet

Botnet

  • Windows Update

C2

  • wOzx3g1DVutJaIF8JkCiLDWWDUVaGVAFT9MNNbf3GHejuL8mYQHtmLByJVduHMIIMCJOTkByRDSvMbknVYDMjFMd33ucCNGRd6rsd55Kjfz5N8toWqPtUAUWFp2VPBqwDphjXZsEuRw6KPvEHxNrRtmmNF3TSPIX5em2yZySCQTum749uJG4nmFWEHI/cH1NCAx4fFkBSOcgGykeOVQl1nGRgAHWZfv9g9qNaMeeu53b56HQWR/mZ6mTILTeO979h0iF42Y1WsHlP1Cd9xLI0jeNeBHY9FCS6EZPmLXKu/X9q8n26O7UQt6xg0ujFGbbUZ8glKZ26j6atQFXHOQGag==

Mutex

  • BN[fEVvWhbt-6079003]

Attributes
  • antivm

    true

  • elevate_uac

    true

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    35dcbc7eb742dd4f1edfbccf7826c724

  • startup

    true

  • usb_spread

    true

Targets

    • Target
      D867A6939E03FF1CCF63605DDDEA632E.exe
    • Size 195KB
    • SHA256 eecb4035c620f07749f4627e6c7243dd4053b4918c6d76e236374900d0dace3b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    blacknetwindows updateevasionpersistencetrojan

    • BlackNET

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

      trojanblacknet

    • 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.

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Executes dropped EXE

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks