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General

  • Target

    a231145abbb216fb9ad0bb81c51832f5.bin

  • Size

    92KB

  • Sample

    240124-dtyzjahbam

  • MD5

    a231145abbb216fb9ad0bb81c51832f5

  • SHA1

    c93e051e8c374bbcb153b1862e6e101abb73775c

  • SHA256

    305817d3405f3f1d344836b74d5e04af40da8e11d5334c6401c94a3baceb34ea

  • SHA512

    3c67f60a04495fc14b3bdacf6d19a509c13dddcf29227696d69336878f3059bc33eb6a2183d12fd6a88c8fe0533c0787eb9599686564c061e3d500b1d34c3fcd

  • SSDEEP

    1536:jynazMODiSbl57b/4tXzQP8AltrOSWht1s5qXxx3M9H+NjExnCMT3JuT+d/1SWPO:jOa9Dnv7ba85OTt25x+Z6Lh1ZP/Bjvfs

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

  • pastebin_url

    https://pastebin.com/raw/TgduC2Px

Targets

    • Target

      a231145abbb216fb9ad0bb81c51832f5.bin

    • Size

      92KB

    • MD5

      a231145abbb216fb9ad0bb81c51832f5

    • SHA1

      c93e051e8c374bbcb153b1862e6e101abb73775c

    • SHA256

      305817d3405f3f1d344836b74d5e04af40da8e11d5334c6401c94a3baceb34ea

    • SHA512

      3c67f60a04495fc14b3bdacf6d19a509c13dddcf29227696d69336878f3059bc33eb6a2183d12fd6a88c8fe0533c0787eb9599686564c061e3d500b1d34c3fcd

    • SSDEEP

      1536:jynazMODiSbl57b/4tXzQP8AltrOSWht1s5qXxx3M9H+NjExnCMT3JuT+d/1SWPO:jOa9Dnv7ba85OTt25x+Z6Lh1ZP/Bjvfs

    • Detect Xworm Payload

    • Modifies WinLogon for persistence

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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