General

  • Target

    12013662c71da69de977c04cd7021f13a70cf7bed4ca6c82acbc100464d4b0ef

  • Size

    138KB

  • Sample

    230131-zst5vacc5w

  • MD5

    fbe8df262f046bb14b946b578edb9cac

  • SHA1

    72ca336478b5e0d169270b3b74396f37d30d0cca

  • SHA256

    54474881820e4ba60b7a5dba07111ae74b403afa30df8795505e1ac58e043e4b

  • SHA512

    ad569ab5f89403817990dc49ec38f1ecf736de68a788ed03ccb1013aa4f3244629831c1d1d1517e079ee6bff1ad49c70196993fab0373d3140d15efd5bb587e0

  • SSDEEP

    3072:ksGHBg7pBcQx4JjCRFh0oF5pOnLECFVDBqVCNC7V92kYV6A7fXfJhVQfaJ:kxgPcQWpGFh085UL1VDBubM6aPJhVQyJ

Malware Config

Targets

    • Target

      12013662c71da69de977c04cd7021f13a70cf7bed4ca6c82acbc100464d4b0ef

    • Size

      300KB

    • MD5

      eec5c6c219535fba3a0492ea8118b397

    • SHA1

      292559e94f1c04b7d0c65d4a01bbbc5dc1ff6f21

    • SHA256

      12013662c71da69de977c04cd7021f13a70cf7bed4ca6c82acbc100464d4b0ef

    • SHA512

      3482c8324a18302f0f37b6e23ed85f24fff9f50bb568d8fd7461bf57f077a7c592f7a88bb2e1c398699958946d87bb93ab744d13a0003f9b879c15e6471f7400

    • SSDEEP

      6144:T2s/gAWuboqsJ9xcJxspJBqQgTuaJZRhVabE5wKSDP99zBa77oNsKqqfPqOJ:T2s/bW+UmJqBxAuaPRhVabEDSDP99zBT

    • Creates a large amount of network flows

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

    • Modifies the Watchdog daemon

      Malware like Mirai modify the Watchdog to prevent it restarting an infected system.

    • Writes file to system bin folder

    • Modifies hosts file

      Adds to hosts file used for mapping hosts to IP addresses.

    • Writes DNS configuration

      Writes data to DNS resolver config file.

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Reads system routing table

      Gets active network interfaces from /proc virtual filesystem.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Reads system network configuration

      Uses contents of /proc filesystem to enumerate network settings.

    • Reads runtime system information

      Reads data from /proc virtual filesystem.

    • Writes file to tmp directory

      Malware often drops required files in the /tmp directory.

MITRE ATT&CK Enterprise v6

Tasks