General

  • Target

    d546509ab6670f9ff31783ed72875dfc0f37fa2b666bd5870eecaaed2ebea4a8

  • Size

    103KB

  • Sample

    230203-lx2htshd8s

  • MD5

    a1657c3a2227619d540b6481cbbfe63d

  • SHA1

    080cd3b98a776d228430efac99093c226bc3f354

  • SHA256

    5fb37a58a1c475739febd7291b95c6a2e03d07c55503b1ec9c30f8c3af7ebb58

  • SHA512

    ff24a8d77baa0da1274a8e1413240e8930bb5534b474b6d599cdd5b336b789dc2d3ef8063b8d757b9b224135a5397b74aa62e95377c95f7dfb5dc91e83c6efcb

  • SSDEEP

    1536:mmxh3aoVOFd4zRmMSFMMSk3jdNiTieuLBBybfqx3sknMv0Hcsi2h2I1j9EL9umSK:V3aoC69mNSkx+iBm5v0HHR2I1jKUmD

Malware Config

Targets

    • Target

      d546509ab6670f9ff31783ed72875dfc0f37fa2b666bd5870eecaaed2ebea4a8

    • Size

      106KB

    • MD5

      4dde761681684d7edad4e5e1ffdb940b

    • SHA1

      2327be693bc11a618c380d7d3abc2382d870d48b

    • SHA256

      d546509ab6670f9ff31783ed72875dfc0f37fa2b666bd5870eecaaed2ebea4a8

    • SHA512

      91a61c719128f263f9f95736d55895954cc468c74ff469ee061d35ec382c50b9165e9a5427dc46a835dac6ae0e6e1f9819632475f68b98a907b53196bd4eb02a

    • SSDEEP

      1536:3aQiZDMyqIlMBZ/R0F4E4kcHiNq98wk9njKZjjLuYo68864sNHFEzv7Ld76divkE:KzDMyqIMBZ/R0ufhBmgZy9yNsNmPtcE

    • Contacts a large (8492) amount of remote hosts

      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.

    • Creates a large amount of network flows

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

    • Reads system network configuration

      Uses contents of /proc filesystem to enumerate network settings.

    • Writes file to tmp directory

      Malware often drops required files in the /tmp directory.

MITRE ATT&CK Enterprise v6

Tasks