General

  • Target
    e-dekontpdf.js
  • Size 68KB
  • Sample260626-sds6nsct21
  • SHA256 509c2a5b7f12d2a67bfb9b697581fc9718c6ceba0575cc9e8490284fe4bdd6ce
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.0

Botnet
  • Micro

C2
  • babayagadead.duckdns.org:1933

Mutex
  • 69059989-4d50-45f8-b299-3d7635455c52

Attributes
  • encryption_key

    E1E0263C65C57BAA0955A3EA0636BB8240539AF2

  • install_name

    ChromeServiceUpgrade.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logsssss

  • reconnect_delay

    3000

  • startup_key

    ChromeServiceUpgrade

  • subdirectory

    ChromeServiceUpgrade

Extracted

Family
  • quasar

Version
  • 1.4.0

Botnet
  • NewBypassed

C2
  • 91.192.100.36:8084

Mutex
  • 9ce44fed-2881-4998-80a9-a8059346d6d7

Attributes
  • encryption_key

    F2F10A25F4D0D0543F5520C8C8BAC500DA1B1AC1

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Mirsoft Update

  • subdirectory

    Mirsoft

Targets

    • Target
      e-dekontpdf.js
    • Size 68KB
    • SHA256 509c2a5b7f12d2a67bfb9b697581fc9718c6ceba0575cc9e8490284fe4bdd6ce
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Quasar payload

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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

MITRE ATT&CK Enterprise v16

Tasks