General

  • Target
    yeah-bro_encryptix.exe
  • Size 1014KB
  • Sample260623-akbk4ag17j
  • SHA256 ef8cc8003803af2eba675a65f6a322ec876de2b274a1a72b800ed8edc5752815
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Attributes
  • encryption_key

    7CDD5FC5673DA79B7787ECBD65C6DB34EF09FB8E

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    3000

Targets

    • Target
      yeah-bro_encryptix.exe
    • Size 1014KB
    • SHA256 ef8cc8003803af2eba675a65f6a322ec876de2b274a1a72b800ed8edc5752815
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to get system information.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • 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