General

  • Target

    Infected.exe

  • Size

    4.6MB

  • Sample

    240714-1mgs1axana

  • MD5

    35eefe804869dc29fb80b873a22b5429

  • SHA1

    e360ffd23f110a02fede39d6cf5c11bad9942a7e

  • SHA256

    06bf5c4fae8a3daae451bd03bd5c2939c3698779d11fe438bf3cbe00d7d8f116

  • SHA512

    f6e76e5d768666232781cab6230a6c7bc2e1d95988442240875b94264db41412d66bfae39b3097dbab44585d4e6f124543e3a2d9a0a6c4374ed3bef6490fda9b

  • SSDEEP

    98304:tV/iK0UflRkkurEShUyGgjTbOMqYW9MSJjJ473+jzJQ9Dy8DB89U:fzDRkkurEyRjTPqYbSVm732dQA8DBB

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:7620

matter-ivory.gl.at.ply.gg:7620

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Infected.exe

    • Size

      4.6MB

    • MD5

      35eefe804869dc29fb80b873a22b5429

    • SHA1

      e360ffd23f110a02fede39d6cf5c11bad9942a7e

    • SHA256

      06bf5c4fae8a3daae451bd03bd5c2939c3698779d11fe438bf3cbe00d7d8f116

    • SHA512

      f6e76e5d768666232781cab6230a6c7bc2e1d95988442240875b94264db41412d66bfae39b3097dbab44585d4e6f124543e3a2d9a0a6c4374ed3bef6490fda9b

    • SSDEEP

      98304:tV/iK0UflRkkurEShUyGgjTbOMqYW9MSJjJ473+jzJQ9Dy8DB89U:fzDRkkurEyRjTPqYbSVm732dQA8DBB

    • AsyncRat

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

    • Stealerium

      An open source info stealer written in C# first seen in May 2022.

    • Async RAT payload

    • 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.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

MITRE ATT&CK Enterprise v15

Tasks