General

  • Target

    JaffaCakes118_c4fd01d2a88af3b53d70a3b52e1a5448

  • Size

    209KB

  • Sample

    250109-lrkccswngy

  • MD5

    c4fd01d2a88af3b53d70a3b52e1a5448

  • SHA1

    dbe77b56aba59e9996be9e6724dddb0dc1cf78c1

  • SHA256

    1e5cab880268f538d1fc0c584a010e00f0196c258b8936138489bcfe6fbe0589

  • SHA512

    16c1e4f1526d9ed47d513d7d1a5812c8cd6edb0f5d494351a08264cd3e62e6285d48f536c167b4933e0df22dad46f9dea0ff97d2f7f339dc1e8a32262ee4c120

  • SSDEEP

    6144:YDnLgI91y1UkT57iJz/DpURWPSvHuUiYphu1Ug:cnLh9yn52rpUR5vHuRYpM+g

Malware Config

Extracted

Family

systembc

C2

yan0212.com:4039

yan0212.net:4039

Targets

    • Target

      JaffaCakes118_c4fd01d2a88af3b53d70a3b52e1a5448

    • Size

      209KB

    • MD5

      c4fd01d2a88af3b53d70a3b52e1a5448

    • SHA1

      dbe77b56aba59e9996be9e6724dddb0dc1cf78c1

    • SHA256

      1e5cab880268f538d1fc0c584a010e00f0196c258b8936138489bcfe6fbe0589

    • SHA512

      16c1e4f1526d9ed47d513d7d1a5812c8cd6edb0f5d494351a08264cd3e62e6285d48f536c167b4933e0df22dad46f9dea0ff97d2f7f339dc1e8a32262ee4c120

    • SSDEEP

      6144:YDnLgI91y1UkT57iJz/DpURWPSvHuUiYphu1Ug:cnLh9yn52rpUR5vHuRYpM+g

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Systembc family

    • Executes dropped EXE

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks