General

  • Target

    XClient.exe

  • Size

    78KB

  • Sample

    240415-nrjf6sdd46

  • MD5

    08a0de0b53d4a1f754e89317e97cc876

  • SHA1

    79aa570739ea7ce828df347852fe7cd7947eab73

  • SHA256

    32f70eace4fb8d3d0711c104f7d9ed18a3e7b62c4eb44e6ee8fa2fef9101fb40

  • SHA512

    b7d828778f4def78b0f6b8ec7112c1e002656aafae3e355cb5498155a898a5361dcd75fc2673111ace6aae7edd309b6aa2daa1eb9d9503ddc693de4a21a22423

  • SSDEEP

    1536:EruZeKyBO87fRW6IxjbXtL6Kvvqsu6wGistrOO7XTZqAATQ:CuYHB5Wdhb9Lz3wOpqRQ

Malware Config

Extracted

Family

xworm

C2

daily-lawn.gl.at.ply.gg:28256

Attributes
  • Install_directory

    %Public%

  • install_file

    XClient.exe

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1229291998217900033/GZFkLc0s0Q0ECz4_Tuxz0BFCTwRpQTyBwxULLeHGGvrfOVLwLMhvhN6RoOgaFkDcUzK5

Targets

    • Target

      XClient.exe

    • Size

      78KB

    • MD5

      08a0de0b53d4a1f754e89317e97cc876

    • SHA1

      79aa570739ea7ce828df347852fe7cd7947eab73

    • SHA256

      32f70eace4fb8d3d0711c104f7d9ed18a3e7b62c4eb44e6ee8fa2fef9101fb40

    • SHA512

      b7d828778f4def78b0f6b8ec7112c1e002656aafae3e355cb5498155a898a5361dcd75fc2673111ace6aae7edd309b6aa2daa1eb9d9503ddc693de4a21a22423

    • SSDEEP

      1536:EruZeKyBO87fRW6IxjbXtL6Kvvqsu6wGistrOO7XTZqAATQ:CuYHB5Wdhb9Lz3wOpqRQ

    • 44Caliber

      An open source infostealer written in C#.

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Modifies Windows Firewall

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks