General

  • Target

    1b2fee364fcde4a8e05a7f7a08f6fa68141e5ee6492a0ff23328d6e94a87925a

  • Size

    75KB

  • Sample

    240514-gyvpfsdg72

  • MD5

    84db43a164ce3f375e38430aa3c817c5

  • SHA1

    7e65f3e57b37f3b184666277df75f645d3a7cc19

  • SHA256

    1b2fee364fcde4a8e05a7f7a08f6fa68141e5ee6492a0ff23328d6e94a87925a

  • SHA512

    82f4c2a54a06cd00c47f19d55e9a6f09b2ce0047b9a861f1bb3b9f7272b29504fa98f385b3fc1dc7f1aaef90755ee1990aa0cf38b956db5504301cf72927212e

  • SSDEEP

    1536:mgK9CZq03G5aXCTMu+oCAhb92SyPYKAOSLgqiOhABeuvXMMTy7O:xC2q03GtorMb92OOSgqiOoe2wO

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %AppData%

  • install_file

    taskhostw.exe

  • pastebin_url

    https://pastebin.com/raw/Xuc6dzua

Targets

    • Target

      1b2fee364fcde4a8e05a7f7a08f6fa68141e5ee6492a0ff23328d6e94a87925a

    • Size

      75KB

    • MD5

      84db43a164ce3f375e38430aa3c817c5

    • SHA1

      7e65f3e57b37f3b184666277df75f645d3a7cc19

    • SHA256

      1b2fee364fcde4a8e05a7f7a08f6fa68141e5ee6492a0ff23328d6e94a87925a

    • SHA512

      82f4c2a54a06cd00c47f19d55e9a6f09b2ce0047b9a861f1bb3b9f7272b29504fa98f385b3fc1dc7f1aaef90755ee1990aa0cf38b956db5504301cf72927212e

    • SSDEEP

      1536:mgK9CZq03G5aXCTMu+oCAhb92SyPYKAOSLgqiOhABeuvXMMTy7O:xC2q03GtorMb92OOSgqiOoe2wO

    • 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