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General

  • Target

    XClient.exe

  • Size

    72KB

  • Sample

    240406-1f33nacd47

  • MD5

    3e8084d25cfbceadd9b370183206f118

  • SHA1

    c4e6c55e01a1a6c2ac2fbc5e9e77b991bcc8f0f9

  • SHA256

    75e411e87e9d1a1bd396d0860be81d268058b4e258e39fdb7dc768ba212b71f4

  • SHA512

    8b169936d92bae713288b29f9eb4be4e71133e916976410f722d457bf85ee82c7e149c69eb28cb2faf435702962d9c47f10d1085d83ae551d3eb687528ac785f

  • SSDEEP

    1536:k73W+adUwi/TzJK1+gE0Lp/uGA7vv0OZmpxubcUj0Rur0TAjvvWO4xkdgR/:kTWAtJq+gE05Arv0OXbcquO2v/

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:4782

Enslotheya-26934.portmap.io:4782

Enslotheya-26934.portmap.io:4782:4782

That1funnykid-39791.portmap.io:4782

That1funnykid-39791.portmap.io:4782:4782

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      XClient.exe

    • Size

      72KB

    • MD5

      3e8084d25cfbceadd9b370183206f118

    • SHA1

      c4e6c55e01a1a6c2ac2fbc5e9e77b991bcc8f0f9

    • SHA256

      75e411e87e9d1a1bd396d0860be81d268058b4e258e39fdb7dc768ba212b71f4

    • SHA512

      8b169936d92bae713288b29f9eb4be4e71133e916976410f722d457bf85ee82c7e149c69eb28cb2faf435702962d9c47f10d1085d83ae551d3eb687528ac785f

    • SSDEEP

      1536:k73W+adUwi/TzJK1+gE0Lp/uGA7vv0OZmpxubcUj0Rur0TAjvvWO4xkdgR/:kTWAtJq+gE05Arv0OXbcquO2v/

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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.

MITRE ATT&CK Enterprise v15

Tasks