General

  • Target

    12013662c71da69de977c04cd7021f13a70cf7bed4ca6c82acbc100464d4b0ef

  • Size

    138KB

  • Sample

    230131-1nzp7sae96

  • MD5

    b3bd1ed499cb56710fc40f3361e0ce75

  • SHA1

    702abd5b8dbb18a268929d234aeb05290514c5fa

  • SHA256

    78c5fa9944371f9a48b39eff94bb53cd0ad72c3c1c59ca8ef651dfc358f13f5e

  • SHA512

    ce014885a6cd67d987df3db84a81034c66367f4b23ec263a418fff6c68a6788caf4ac9c713aec58d47f825f9f5102c6960486dc237aad80dfc9d68df7fb7df8e

  • SSDEEP

    3072:LsGHBg7pBcQx4JjCRFh0oF5pOnLECFVDBqVCNC7V92kYV6A7fXfJhVQfaK:LxgPcQWpGFh085UL1VDBubM6aPJhVQyK

Malware Config

Targets

    • Target

      12013662c71da69de977c04cd7021f13a70cf7bed4ca6c82acbc100464d4b0ef

    • Size

      300KB

    • MD5

      eec5c6c219535fba3a0492ea8118b397

    • SHA1

      292559e94f1c04b7d0c65d4a01bbbc5dc1ff6f21

    • SHA256

      12013662c71da69de977c04cd7021f13a70cf7bed4ca6c82acbc100464d4b0ef

    • SHA512

      3482c8324a18302f0f37b6e23ed85f24fff9f50bb568d8fd7461bf57f077a7c592f7a88bb2e1c398699958946d87bb93ab744d13a0003f9b879c15e6471f7400

    • SSDEEP

      6144:T2s/gAWuboqsJ9xcJxspJBqQgTuaJZRhVabE5wKSDP99zBa77oNsKqqfPqOJ:T2s/bW+UmJqBxAuaPRhVabEDSDP99zBT

    • 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.

    • Creates a large amount of network flows

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

    • 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