General

  • Target
    Prism Release.rar
  • Size 5.0MB
  • Sample240614-16dwfssapp
  • SHA256 44620d19260c789de580e65e07e1464a4abbbeccf1ddda2256b6b1a4ab6a82d1
  • 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 V1.6.exe
    • Size 5.1MB
    • SHA256 cee9d4132e0c5f98b5d84099c9f4a080b35e436174be8e5a59df1e8c7cae8fbd
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

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

    • Creates new service(s)

    • Stops running service(s)

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Suspicious use of SetThreadContext

    • Target
      Prism Release/assets.dll
    • Size 171KB
    • SHA256 672cb16128dea50e21fd2d98889e2d6a2264b654304a3f4248ebdf4c546f734a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Prism Release/bin/autoattach.dll
    • Size 21KB
    • SHA256 3811858da4b1f5e7f40d1237d7189ddca3989fa0d7b07e87c538f92975b893d2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10

MITRE ATT&CK Enterprise v15

Tasks