General

  • Target
    Neos Email Spoofer 2025.exe
  • Size 13.1MB
  • Sample260707-spywasf16z
  • SHA256 0c872a86596c724a4459f057f8bcf016b1d98c3fe82f55a0770e2beb5b2b72cb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • �Y��

Attributes
  • encryption_key

    794A3874F53015A8504282867F082BCD3E7E97F6

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    3000

Targets

    • Target
      Neos Email Spoofer 2025.exe
    • Size 13.1MB
    • SHA256 0c872a86596c724a4459f057f8bcf016b1d98c3fe82f55a0770e2beb5b2b72cb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects MilleniumRAT stealer

    • Detects ShinobuClipper payload

    • Family: AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Family: MilleniumRat

      MilleniumRat is a remote access trojan written in C#.

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Family: ShinobuClipper

      ShinobuClipper is a clipboard-hijacking malware that replaces copied cryptocurrency wallet addresses with attacker-controlled ones.

    • Family: StormKitty

      StormKitty is an open source info stealer written in C#.

    • Quasar payload

    • StormKitty 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.

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • 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