Overview

overview

10

Static

static

URLScan

urlscan

1

http://www.ammyy.com...

windows10-2004-x64

10

Sharing

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General

  • Target

    http://www.ammyy.com/admin_v3.9_20200220-182209/AA_v3.exe

  • Sample

    230123-116z2sfg36

Score
10/10
ammyyadminflawedammyybootkitpersistencerattrojan

Malware Config

Targets

    • Target

      http://www.ammyy.com/admin_v3.9_20200220-182209/AA_v3.exe

    Score
    10/10
    ammyyadminflawedammyybootkitpersistencerattrojan

    • Ammyy Admin

      Remote admin tool with various capabilities.

      ratammyyadmin

    • AmmyyAdmin payload

    • FlawedAmmyy RAT

      Remote-access trojan based on leaked code for the Ammyy remote admin software.

      trojanflawedammyy

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Registers COM server for autorun

      persistence

    • Sets file execution options in registry

      persistence

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v6

Tasks