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General

  • Target

    XClient.exe

  • Size

    78KB

  • Sample

    240410-swjpyscg84

  • MD5

    7eb269f7f290afa8910538c1ec7d64a3

  • SHA1

    383581ff0f645d4bf44885ae4f588564fdaf9c56

  • SHA256

    ca5bd5a5db01187e93ae66419955d8fba2ced1d931aa92a68d3d5e62902cb354

  • SHA512

    f1ff2a0f3c03c89df818a3ba8f4a1cba6611c020457811923d45a31e81fa28e923f0a7b58cb9573df83fa132e35ba944549d47eef04ab0a7bd24365cfbcd4320

  • SSDEEP

    1536:BRtRPsJhCmESLCohxNQtKBlLbH5Nc9KRc7/OofwRVDCKoSUQ:3zsfGo1BlLbHTcsQOoMVWQ

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %AppData%

  • install_file

    NVIDIAFrameview.exe

  • pastebin_url

    https://pastebin.com/raw/UWpQULMP

Targets

    • Target

      XClient.exe

    • Size

      78KB

    • MD5

      7eb269f7f290afa8910538c1ec7d64a3

    • SHA1

      383581ff0f645d4bf44885ae4f588564fdaf9c56

    • SHA256

      ca5bd5a5db01187e93ae66419955d8fba2ced1d931aa92a68d3d5e62902cb354

    • SHA512

      f1ff2a0f3c03c89df818a3ba8f4a1cba6611c020457811923d45a31e81fa28e923f0a7b58cb9573df83fa132e35ba944549d47eef04ab0a7bd24365cfbcd4320

    • SSDEEP

      1536:BRtRPsJhCmESLCohxNQtKBlLbH5Nc9KRc7/OofwRVDCKoSUQ:3zsfGo1BlLbHTcsQOoMVWQ

    • 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

    • 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