General

  • Target

    d546509ab6670f9ff31783ed72875dfc0f37fa2b666bd5870eecaaed2ebea4a8

  • Size

    103KB

  • Sample

    230203-ngjn7aac8z

  • MD5

    d99118763ca9e3196248abf5316c008a

  • SHA1

    be5bcb6315066aa70935d5b34313a93092a94473

  • SHA256

    43448e20bcc12b3dcae6940938835aaa9b1cd15b1dfe327b6721970a15da4f2a

  • SHA512

    c33adc9af5b83d270122adcfaf319838e5df77d2267df75b0ff04ceec6c90b480fcd5e11a82b9e1b7b5da9b4ebb5b1b1b2575854c2266308f2b7e335b22d6aec

  • SSDEEP

    1536:Smxh3aoVOFd4zRmMSFMMSk3jdNiTieuLBBybfqx3sknMv0Hcsi2h2I1j9EL9umSS:x3aoC69mNSkx+iBm5v0HHR2I1jKUmv

Malware Config

Targets

    • Target

      d546509ab6670f9ff31783ed72875dfc0f37fa2b666bd5870eecaaed2ebea4a8

    • Size

      106KB

    • MD5

      4dde761681684d7edad4e5e1ffdb940b

    • SHA1

      2327be693bc11a618c380d7d3abc2382d870d48b

    • SHA256

      d546509ab6670f9ff31783ed72875dfc0f37fa2b666bd5870eecaaed2ebea4a8

    • SHA512

      91a61c719128f263f9f95736d55895954cc468c74ff469ee061d35ec382c50b9165e9a5427dc46a835dac6ae0e6e1f9819632475f68b98a907b53196bd4eb02a

    • SSDEEP

      1536:3aQiZDMyqIlMBZ/R0F4E4kcHiNq98wk9njKZjjLuYo68864sNHFEzv7Ld76divkE:KzDMyqIMBZ/R0ufhBmgZy9yNsNmPtcE

    • Contacts a large (6656) 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