Resubmissions

17/04/2024, 09:26

240417-lee7waah5310

17/04/2024, 09:26

240417-leddaaah4710

17/04/2024, 09:26

240417-lec3hsce2w10

17/04/2024, 09:26

240417-lecfzsce2v10

17/04/2024, 09:26

240417-lebvfsah4510

16/04/2024, 13:38

240416-qxqhsada2110

General

  • Target
    7c05833514baa8de4f997a7fcb04096316f2fb44d77fcc0951bb50adbf8d58f5
  • Size 1.0MB
  • Sample240417-leddaaah47
  • SHA256 7c05833514baa8de4f997a7fcb04096316f2fb44d77fcc0951bb50adbf8d58f5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • systembc

C2
  • yan0212.com:4039

  • yan0212.net:4039

Targets

    • Target
      7c05833514baa8de4f997a7fcb04096316f2fb44d77fcc0951bb50adbf8d58f5
    • Size 1.0MB
    • SHA256 7c05833514baa8de4f997a7fcb04096316f2fb44d77fcc0951bb50adbf8d58f5
    • MD5 SHA1 SHA512 SSDEEP
    • SystemBC

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

    • Contacts a large (923) amount of remote hosts

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

    • Executes dropped EXE

    • 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