General

  • Target
    587e590b78e0a3c36a4ac79ccec05415ca510e9ad20345ab39524e0130a8cb75
  • Size 3.6MB
  • Sample240519-v249yshe99
  • SHA256 587e590b78e0a3c36a4ac79ccec05415ca510e9ad20345ab39524e0130a8cb75
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • publisher-misc.gl.at.ply.gg:58207:58207

  • publisher-misc.gl.at.ply.gg:58207

Attributes
  • Install_directory

    %Temp%

  • install_file

    RuntimeBroker.exe

Targets

    • Target
      cracutor1.0/cracutor (1)/ICSharpCode.AvalonEdit.dll
    • Size 606KB
    • SHA256 bf15ddb6056e9654ad66641752f8e7cbabf6e0171ef3c671cd70d844855e9d62
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      cracutor1.0/cracutor (1)/Neptune.exe
    • Size 2.0MB
    • SHA256 255834540df95d84167a197acc6e70d9b80baa5dc15ddb16060508be498f1e78
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      cracutor1.0/cracutor (1)/RuntimeBroker.bat
    • Size 1.4MB
    • SHA256 5edd619490ce715b05fa88acb9865fa2c290949483b5813f70083d4480e4bf05
    • MD5 SHA1 SHA512 SSDEEP
    • 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

    • StormKitty

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

    • StormKitty payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Blocklisted process makes network request

    • 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.

    • Checks computer location settings

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

    • Deletes itself

    • 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

    • 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.

    • Target
      cracutor1.0/cracutor (1)/Scripts/Infinity.txt
    • Size 431KB
    • SHA256 dd9e7382501343c4acdb40a13d55dbfef9f10fb6adfb3664be404ee2a11cc663
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      cracutor1.0/cracutor (1)/cracutor.bat
    • Size 1.4MB
    • SHA256 b1a9d16d628c1d565fa577310ea64da8510ecd7f55e83e7de46c28c1c7b186f4
    • MD5 SHA1 SHA512 SSDEEP
    • 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

    • StormKitty

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

    • StormKitty payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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

    • 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.

MITRE ATT&CK Enterprise v15

Tasks