General

  • Target

    a500424ebd54b1e006ccad65266562e3_JaffaCakes118

  • Size

    303KB

  • Sample

    240613-l5g46atgmf

  • MD5

    a500424ebd54b1e006ccad65266562e3

  • SHA1

    18be3591da1c3d79aee29026c30c67567e3b2bad

  • SHA256

    e4b0894af3fb7948dd92288339cf2fda627c26ec25b4d37c1620f6c005c0c01c

  • SHA512

    c197f02534c15b82f81def7d60349fba1e72c0b82d8b11fe64856a7ae7833e9d9d70d723bac8e1809ceda2cc9c76eb87025199230ba08ebc89bde2f6b71931ec

  • SSDEEP

    6144:7VPN+C5cB6NYR+perZTyhGupmUfr7MUYbW2KrFrg30RSsBWRzPDzWrkpeF4+:JPN+C5cB6pGTggGHUUrdgEAsotMk

Malware Config

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Extracted

Family

quasar

Version

2.1.0.0

Botnet

Office04

C2

myconect.ddns.net:6606

Mutex

VNM_MUTEX_bW2Pm17MwUNvIYeCrf

Attributes
  • encryption_key

    skMcIyTXgvAaYya6lzLD

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      a500424ebd54b1e006ccad65266562e3_JaffaCakes118

    • Size

      303KB

    • MD5

      a500424ebd54b1e006ccad65266562e3

    • SHA1

      18be3591da1c3d79aee29026c30c67567e3b2bad

    • SHA256

      e4b0894af3fb7948dd92288339cf2fda627c26ec25b4d37c1620f6c005c0c01c

    • SHA512

      c197f02534c15b82f81def7d60349fba1e72c0b82d8b11fe64856a7ae7833e9d9d70d723bac8e1809ceda2cc9c76eb87025199230ba08ebc89bde2f6b71931ec

    • SSDEEP

      6144:7VPN+C5cB6NYR+perZTyhGupmUfr7MUYbW2KrFrg30RSsBWRzPDzWrkpeF4+:JPN+C5cB6pGTggGHUUrdgEAsotMk

    • Contains code to disable Windows Defender

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

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • VenomRAT

      VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.

    • Executes dropped EXE

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks