General

  • Target
    x2c1baf1fcb28cae00906ea5336d816e5c201b3a176eb29833e0e1178dc690ff4.exe
  • Size 1.5MB
  • Sample260604-msb8tacx9s
  • SHA256 2c1baf1fcb28cae00906ea5336d816e5c201b3a176eb29833e0e1178dc690ff4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.6.5

Botnet
  • AKP

C2
  • deli.ydns.eu:86

  • 82.165.179.9:86

Mutex
  • e82243e5-43e6-4b23-9ece-0e0d4d02ce14

Attributes
  • encryption_key

    ECE1B6BDC8E62D35188AAB274BDB0BE28D84C43F

  • install_name

    SystemSettings.exe

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    SystemSettings

  • subdirectory

    SystemSettings

Targets

    • Target
      x2c1baf1fcb28cae00906ea5336d816e5c201b3a176eb29833e0e1178dc690ff4.exe
    • Size 1.5MB
    • SHA256 2c1baf1fcb28cae00906ea5336d816e5c201b3a176eb29833e0e1178dc690ff4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Family: Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Quasar payload

    • Windows security bypass

    • Badlisted process makes network request

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

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks