Overview

overview

10

Static

static

3

8d81b074c6...18.exe

windows7-x64

10

8d81b074c6...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    8d81b074c6351ef6cb801ddbc24d4354_JaffaCakes118
  • Size 1.5MB
  • Sample240403-v49bpagc73
  • SHA256 2d29036ba5f262322db7f19bfa504e5e6d5c276a51f351e55364c356bcd00f58
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasarzgratbrocratspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.3.0.0

Botnet

  • BROC

C2

  • sommerishere.sytes.net:61537

  • mommerishere.sytes.net:61537

Mutex

  • QSR_MUTEX_htKuXGSpSizsV4VV3h

Attributes
  • encryption_key

    upc0vIcniTlPRcfvkZHp

  • install_name

    Updater.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Update

  • subdirectory

    Windows

Targets

    • Target
      8d81b074c6351ef6cb801ddbc24d4354_JaffaCakes118
    • Size 1.5MB
    • SHA256 2d29036ba5f262322db7f19bfa504e5e6d5c276a51f351e55364c356bcd00f58
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasarzgratbrocratspywaretrojan

    • Detect ZGRat V1

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • ZGRat

      ZGRat is remote access trojan written in C#.

      ratzgrat

    • Deletes itself

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks