General

  • Target
    PrismRelease.rar
  • Size 5.0MB
  • Sample240617-ryaz6athrd
  • SHA256 0ffc383067c74a8ca5576ed940e77e6adb0ec979294b1c12746d541e51558743
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • 91.92.241.69:5555

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Windows Runtime.exe

Targets

    • Target
      Prism Release/ByfronHook.dll
    • Size 21KB
    • SHA256 3811858da4b1f5e7f40d1237d7189ddca3989fa0d7b07e87c538f92975b893d2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Prism Release/Prism Release V1.3.exe
    • Size 5.1MB
    • SHA256 af714718f7ad3bcb60321daf63f23e7f2a586903baea8014d5f27dd65d4a9413
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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.

    • Target
      Prism Release/assets.dll
    • Size 171KB
    • SHA256 672cb16128dea50e21fd2d98889e2d6a2264b654304a3f4248ebdf4c546f734a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Prism Release/bin/autoattach.dll
    • Size 171KB
    • SHA256 672cb16128dea50e21fd2d98889e2d6a2264b654304a3f4248ebdf4c546f734a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10

MITRE ATT&CK Enterprise v15

Tasks