General

  • Target

    a824b4c803a61ebaf24e143a1deeda52c549e7e8df9ab6bd25a94d9619b1cb36

  • Size

    343KB

  • Sample

    240313-cxhahscc25

  • MD5

    c46107c429621e50d0745fdde89b9b2d

  • SHA1

    38c028a96e01b34665006d44a467f7440e00d91e

  • SHA256

    a824b4c803a61ebaf24e143a1deeda52c549e7e8df9ab6bd25a94d9619b1cb36

  • SHA512

    403cf1d225cb2b91f584303905eed039651aaa9b420350444872515f3d75d1e52299cb303293140f705fae0a21381676ea2aab0785f592c205c10df7b7bffe65

  • SSDEEP

    6144:eN7qJda/YlTDtfA564CZzyiJTps3n9d5F3lUtZWxc6+C4pMFqm:YsaaDf4CZzyiJszaHz6K2

Malware Config

Extracted

Family

xworm

C2

185.117.249.43:7002

185.117.250.169:7000

Attributes
  • Install_directory

    %AppData%

  • install_file

    isvchost.exe

Targets

    • Target

      a824b4c803a61ebaf24e143a1deeda52c549e7e8df9ab6bd25a94d9619b1cb36

    • Size

      343KB

    • MD5

      c46107c429621e50d0745fdde89b9b2d

    • SHA1

      38c028a96e01b34665006d44a467f7440e00d91e

    • SHA256

      a824b4c803a61ebaf24e143a1deeda52c549e7e8df9ab6bd25a94d9619b1cb36

    • SHA512

      403cf1d225cb2b91f584303905eed039651aaa9b420350444872515f3d75d1e52299cb303293140f705fae0a21381676ea2aab0785f592c205c10df7b7bffe65

    • SSDEEP

      6144:eN7qJda/YlTDtfA564CZzyiJTps3n9d5F3lUtZWxc6+C4pMFqm:YsaaDf4CZzyiJszaHz6K2

    • 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

    • Loads dropped DLL

    • 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