Resubmissions

23-03-2023 00:36

230323-aybg9aec9t 9

21-03-2023 12:50

230321-p24erscc9z 9

21-03-2023 11:47

230321-nyb1nscb2v 1

31-01-2023 21:51

230131-1qtlzaaf25 9

General

  • Target

    12013662c71da69de977c04cd7021f13a70cf7bed4ca6c82acbc100464d4b0ef

  • Size

    138KB

  • Sample

    230131-1qtlzaaf25

  • MD5

    269685865f8200b497f27617a4ba0b83

  • SHA1

    d3b95c0abe6800662c9be3b255b6eedd990cf049

  • SHA256

    8d154492a6a8953d6983dff03a31536691562a69d9e892e54869bd624e36766f

  • SHA512

    5400ae939db2c39367a0ce0ea53a05daecadbfdd6909b3113339bd7286a65e95fec1b54291db6b01932ae1ebef6a2d01dcfbe001a909278ab225ee8ddc9f0dff

  • SSDEEP

    3072:8sGHBg7pBcQx4JjCRFh0oF5pOnLECFVDBqVCNC7V92kYV6A7fXfJhVQfah:8xgPcQWpGFh085UL1VDBubM6aPJhVQyh

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.

    • 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