General

  • Target
    a41982f4915a70f246b0d6109280f39b
  • Size 209KB
  • Sample240410-dpbcnsfg8y
  • SHA256 31cdb1024e6010e5a59c0fc509432e6928c4eaf1a42c82e9fbd33e9aac2c552c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • systembc

C2
  • yan0212.com:4039

  • yan0212.net:4039

Targets

    • Target
      a41982f4915a70f246b0d6109280f39b
    • Size 209KB
    • SHA256 31cdb1024e6010e5a59c0fc509432e6928c4eaf1a42c82e9fbd33e9aac2c552c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    • SystemBC

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

    • 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