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General

  • Target

    VelocitySupportTool.exe

  • Size

    10.1MB

  • Sample

    250309-en1fvaxnw7

  • MD5

    67462ee5d9b46994eeb4a4c17410a206

  • SHA1

    208514cd39b81476b31edbf2d56f6ef8e9e6870f

  • SHA256

    327e9385019706a31563b32a12a5cff31ca042078a0ccb8c9e668d1bd12a6497

  • SHA512

    ef551052fa54fdc2b7818f3dc6e6163a1301b413762ba69916347e3a4acfd2d9c3e878e732b66c05283f6c922f49a96a00bcd1655d7c2ba2ac363802efa78f94

  • SSDEEP

    196608:SgNsPPpW0RYeIeKkrAW4LQkhf+LYYlrlJQxSQcGKQ999uvqivV9CSxTcf7nL:RKhW0afk0ZLQkhfNYGdH999VivOYeLL

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %port%

  • install_file

    USB.exe

  • pastebin_url

    https://pastebin.com/raw/k7RJ4RZQ

Extracted

Family

xworm

Version

5.0

Mutex

0PPzuWGEdxzyPz40

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

  • pastebin_url

    https://pastebin.com/raw/0AT3JnEx

aes.plain

Targets

    • Target

      VelocitySupportTool.exe

    • Size

      10.1MB

    • MD5

      67462ee5d9b46994eeb4a4c17410a206

    • SHA1

      208514cd39b81476b31edbf2d56f6ef8e9e6870f

    • SHA256

      327e9385019706a31563b32a12a5cff31ca042078a0ccb8c9e668d1bd12a6497

    • SHA512

      ef551052fa54fdc2b7818f3dc6e6163a1301b413762ba69916347e3a4acfd2d9c3e878e732b66c05283f6c922f49a96a00bcd1655d7c2ba2ac363802efa78f94

    • SSDEEP

      196608:SgNsPPpW0RYeIeKkrAW4LQkhf+LYYlrlJQxSQcGKQ999uvqivV9CSxTcf7nL:RKhW0afk0ZLQkhfNYGdH999VivOYeLL

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

MITRE ATT&CK Enterprise v15

Tasks