Overview

overview

10

Static

static

07d0c0de71...33.exe

windows7_x64

10

07d0c0de71...33.exe

windows10_x64

10

Sharing

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General

  • Target
    07d0c0de71b135af74f710585f13aa33.exe
  • Size 659KB
  • Sample210809-ld89gm3bc2
  • SHA256 d977d80c3735df4761faf5e37f8f4874b36d2c1d6aaa731f4e37b36c813e5754
  • MD5 SHA1 SHA512
Score
10/10
quasaroffice04wpersistencespywaresuricatatrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.0

Botnet

  • Office04w

C2

  • societyf500.ddns.net:5490

Mutex

  • f4264bdc-b486-4a30-a042-2bcfb907b3c7

Attributes
  • encryption_key

    0204DFA093E27B72F1617CCEA6076BCCE5D0A482

  • install_name

    dwmq.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    dwmq

  • subdirectory

    explorer

Targets

    • Target
      07d0c0de71b135af74f710585f13aa33.exe
    • Size 659KB
    • SHA256 d977d80c3735df4761faf5e37f8f4874b36d2c1d6aaa731f4e37b36c813e5754
    • MD5 SHA1 SHA512
    Score
    10/10
    quasaroffice04wpersistencespywaresuricatatrojan

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • suricata: ET MALWARE Observed Malicious SSL Cert (Quasar CnC)

      suricata: ET MALWARE Observed Malicious SSL Cert (Quasar CnC)

      suricata

    • Adds Run key to start application

      persistence

    • 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 v6

Tasks