General

  • Target

    a96ba97f94d20c672e8efbc2152403959e8379d8ddf9c48dc51d9c91521cb369

  • Size

    255KB

  • Sample

    220328-aepwjaaheq

  • MD5

    f2f20e29df4b0c463941da6ad18d9e0e

  • SHA1

    8025b509f59e57d5b1631cc43e620bd7b8d61a5f

  • SHA256

    a96ba97f94d20c672e8efbc2152403959e8379d8ddf9c48dc51d9c91521cb369

  • SHA512

    daa4d24d8d7d56692a2257d122324b2204221280538af2d1b26b0e1aba3369330d9f4a5a153833b43505721af1752c684e26ef0b8842d0ecb3046b27c36f9594

Malware Config

Extracted

Family

systembc

C2

31.44.185.6:4001

31.44.185.11:4001

Targets

    • Target

      a96ba97f94d20c672e8efbc2152403959e8379d8ddf9c48dc51d9c91521cb369

    • Size

      255KB

    • MD5

      f2f20e29df4b0c463941da6ad18d9e0e

    • SHA1

      8025b509f59e57d5b1631cc43e620bd7b8d61a5f

    • SHA256

      a96ba97f94d20c672e8efbc2152403959e8379d8ddf9c48dc51d9c91521cb369

    • SHA512

      daa4d24d8d7d56692a2257d122324b2204221280538af2d1b26b0e1aba3369330d9f4a5a153833b43505721af1752c684e26ef0b8842d0ecb3046b27c36f9594

    • SystemBC

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

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Win32/SystemBC CnC Checkin

      suricata: ET MALWARE Win32/SystemBC CnC Checkin

    • Downloads MZ/PE file

    • Executes dropped EXE

MITRE ATT&CK Matrix

Tasks