General

  • Target

    sensi.sh

  • Size

    616B

  • Sample

    241226-rhtgkaxlc1

  • MD5

    16a80dae144d0b28b41b1bc690560eb4

  • SHA1

    f5656969be23544e08a5b6dc59444ad8d9f4075a

  • SHA256

    58d5bc84e8dcfd88e55fb4408562e6e091a6fdc30698b94a91ce0c48fdce8770

  • SHA512

    3e04f1b5d9aea830e52e9a619bfc4f5fffca455268b1379fd22ccd5ede4e8693510db2054f68fdf21cc8ab4c183db274a3ad87f54be84b42f32616aba6f55a96

Malware Config

Extracted

Family

mirai

Botnet

LZRD

Targets

    • Target

      sensi.sh

    • Size

      616B

    • MD5

      16a80dae144d0b28b41b1bc690560eb4

    • SHA1

      f5656969be23544e08a5b6dc59444ad8d9f4075a

    • SHA256

      58d5bc84e8dcfd88e55fb4408562e6e091a6fdc30698b94a91ce0c48fdce8770

    • SHA512

      3e04f1b5d9aea830e52e9a619bfc4f5fffca455268b1379fd22ccd5ede4e8693510db2054f68fdf21cc8ab4c183db274a3ad87f54be84b42f32616aba6f55a96

    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

    • Mirai family

    • Contacts a large (20206) amount of remote hosts

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

    • Creates a large amount of network flows

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

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

    • Executes dropped EXE

    • Modifies Watchdog functionality

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

    • OS Credential Dumping

      Adversaries may attempt to dump credentials to use it in password cracking.

    • Deletes log files

      Deletes log files on the system.

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Write file to user bin folder

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks