General

  • Target

    7f575c7e0c9cbb7b52bcc29d57045b3cfe62e16acd56897cdf35aed73c6ff765

  • Size

    284KB

  • Sample

    230203-j5trvagd6w

  • MD5

    6bec3c3a3ed3c6b98ae12b4167f1fa65

  • SHA1

    10b79c321e4908e82f5f97f4932ea5d384622fc6

  • SHA256

    7f575c7e0c9cbb7b52bcc29d57045b3cfe62e16acd56897cdf35aed73c6ff765

  • SHA512

    66d2f7a370acb9b9755621cd2d28c6f1bbf3dd22fc442c6ada7506cded28ad63967f488b43e5a253429801f122806665c01ca3be3bdd73550d61aff8d5bd16a7

  • SSDEEP

    3072:w7JXMa78w/IL0rrrW+rz5u3Ns3Uaig0gAx2C4e4GaL/FW7sGavw:w7J9gL0rrrfrg3kvig0gA0CBg/I7avw

Malware Config

Extracted

Family

systembc

C2

144.76.223.74:443

Targets

    • Target

      7f575c7e0c9cbb7b52bcc29d57045b3cfe62e16acd56897cdf35aed73c6ff765

    • Size

      284KB

    • MD5

      6bec3c3a3ed3c6b98ae12b4167f1fa65

    • SHA1

      10b79c321e4908e82f5f97f4932ea5d384622fc6

    • SHA256

      7f575c7e0c9cbb7b52bcc29d57045b3cfe62e16acd56897cdf35aed73c6ff765

    • SHA512

      66d2f7a370acb9b9755621cd2d28c6f1bbf3dd22fc442c6ada7506cded28ad63967f488b43e5a253429801f122806665c01ca3be3bdd73550d61aff8d5bd16a7

    • SSDEEP

      3072:w7JXMa78w/IL0rrrW+rz5u3Ns3Uaig0gAx2C4e4GaL/FW7sGavw:w7J9gL0rrrfrg3kvig0gA0CBg/I7avw

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • SystemBC

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks