General

  • Target
    60e127ae2160fb93f9a52b4f303dc97c
  • Size 209KB
  • Sample240410-dnphxafg71
  • SHA256 b2008728fbc3e3ae4addfb77e78ba54d268bd54c1c1ffe34d293ffbba719d439
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • systembc

C2
  • yan0212.com:4039

  • yan0212.net:4039

Targets

    • Target
      60e127ae2160fb93f9a52b4f303dc97c
    • Size 209KB
    • SHA256 b2008728fbc3e3ae4addfb77e78ba54d268bd54c1c1ffe34d293ffbba719d439
    • MD5 SHA1 SHA512 SSDEEP
    • SystemBC

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

    • Contacts a large (553) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Executes dropped EXE

    • UPX packed file

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Looks up external IP address via web service

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

    • Uses Tor communications

      Malware can proxy its traffic through Tor for more anonymity.

MITRE ATT&CK Enterprise v15

Tasks