Resubmissions

10/04/2024, 03:05

240410-dld96afg4v10

10/04/2024, 03:04

240410-dk1f1acd8610

10/04/2024, 03:04

240410-dkzvgacd8510

10/04/2024, 03:04

240410-dky8yafg3z10

10/04/2024, 03:04

240410-dkyx6scd8410

01/04/2024, 07:13

240401-h17mgagf8810

31/03/2024, 20:35

240331-zc89tsbe8y10

General

  • Target
    5d7e265ed53bd43d40f6457318a0921d_JaffaCakes118
  • Size 209KB
  • Sample240410-dkzvgacd85
  • SHA256 dfe0c8f95bf96e2be4666d73ef9cd166e89eef631e975aa2e384d9f1af901d45
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • systembc

C2
  • yan0212.com:4039

  • yan0212.net:4039

Targets

    • Target
      5d7e265ed53bd43d40f6457318a0921d_JaffaCakes118
    • Size 209KB
    • SHA256 dfe0c8f95bf96e2be4666d73ef9cd166e89eef631e975aa2e384d9f1af901d45
    • MD5 SHA1 SHA512 SSDEEP
    • SystemBC

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

    • Contacts a large (615) 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.

    • 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