Overview

overview

9

Static

static

1

ciubuc_i486.elf

ubuntu-18.04-amd64

9

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General

  • Target
    ciubuc_i486.elf
  • Size 2.3MB
  • Sample260503-act3gads5n
  • SHA256 eab92ddb536aa5393b427eec8c2b0be76beb90894018cfcd5aba09ce8cdd1e5e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoverylinux

Malware Config

Targets

    • Target
      ciubuc_i486.elf
    • Size 2.3MB
    • SHA256 eab92ddb536aa5393b427eec8c2b0be76beb90894018cfcd5aba09ce8cdd1e5e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscovery

    • Contacts a large (148477) 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

    • Deletes Audit logs

      Deletes logs related to the Linux Audit framework.

      defense_evasion

    • Deletes itself

    • Deletes journal logs

      Deletes systemd journal logs. Likely to evade detection.

      defense_evasion

    • Deletes system logs

      Deletes log file which contains global system messages. Adversaries may delete system logs to minimize their footprint.

      defense_evasion

    • Modifies Watchdog functionality

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

      defense_evasion

    • Traces itself

      Traces itself to prevent debugging attempts

    • Enumerates running processes

      Discovers information about currently running processes on the system

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks