Overview

overview

9

Static

static

1

mips-20230...15.elf

debian-9-mips

9

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General

  • Target
    mips-20230709-1715.elf
  • Size 119KB
  • Sample230709-vs4xtseh47
  • SHA256 46f1daf2cde03fc625db9bbeceaa17e4ec263c6414508dd0a638545859b823b4
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
discoverypersistence

Malware Config

Targets

    • Target
      mips-20230709-1715.elf
    • Size 119KB
    • SHA256 46f1daf2cde03fc625db9bbeceaa17e4ec263c6414508dd0a638545859b823b4
    • MD5 SHA1 SHA512 SSDEEP
    Score
    9/10
    discoverypersistence

    • Contacts a large (239505) amount of remote hosts

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

      discovery

    • Creates a large amount of network flows

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

      discovery

    • Modifies password files for system users/ groups

      Modifies files storing password hashes of existing users/ groups, likely to grant additional privileges.

    • Deletes itself

    • Modifies Watchdog functionality

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

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

      persistence

    • Modifies rc script

      Adding/modifying system rc scripts is a common persistence mechanism.

      persistence

    • Writes file to system bin folder

    behavioral1

MITRE ATT&CK Enterprise v6

Tasks