General

  • Target

    rZZ07

  • Size

    202KB

  • Sample

    231229-dtcrasfea3

  • MD5

    9b49e499a6728cc56c49765d3fa107d5

  • SHA1

    eb6279c444b9833cdd4cde02cd8fcdb4d0584295

  • SHA256

    c2a7d8945d97dc8d859eda06c339be5df5182b579118f638c6a9a6221d406a2e

  • SHA512

    2b46010794cb1bd1a90252a09144a55f93493f5bd7bf79b00c466def1d43401068b0995c0d7e53d89f4fc583d7e107dbbcfb1750637761f26f78bff83ba6fb41

  • SSDEEP

    1536:CY4Np0WnKGV24qf4t0OeJdIo7al5do7usGtCPCYR18vXt10HkSXisvQi5X:CY4hLAlf4yIoaCKi18v910rys4i5X

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://wallpapercave.com/uwp/uwp4203994.png

exe.dropper

https://wallpapercave.com/uwp/uwp4203994.png

Extracted

Family

xworm

Version

5.0

C2

xwv5group7001.duckdns.org:7001

Mutex

v8ErbRwm85mge9Zk

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      rZZ07

    • Size

      202KB

    • MD5

      9b49e499a6728cc56c49765d3fa107d5

    • SHA1

      eb6279c444b9833cdd4cde02cd8fcdb4d0584295

    • SHA256

      c2a7d8945d97dc8d859eda06c339be5df5182b579118f638c6a9a6221d406a2e

    • SHA512

      2b46010794cb1bd1a90252a09144a55f93493f5bd7bf79b00c466def1d43401068b0995c0d7e53d89f4fc583d7e107dbbcfb1750637761f26f78bff83ba6fb41

    • SSDEEP

      1536:CY4Np0WnKGV24qf4t0OeJdIo7al5do7usGtCPCYR18vXt10HkSXisvQi5X:CY4hLAlf4yIoaCKi18v910rys4i5X

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks