Overview

overview

7

Static

static

1

I686.elf

ubuntu-18.04-amd64

7

Sharing

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General

  • Target
    I686.elf
  • Size 29KB
  • Sample260504-ptc8lsfx9q
  • SHA256 38fd74abaeaefdac72b3360078fcc23ab69a55937e03223539fa283813a68d7f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
credential_accessdefense_evasiondiscoveryexecutionlinuxpersistenceprivilege_escalation

Malware Config

Targets

    • Target
      I686.elf
    • Size 29KB
    • SHA256 38fd74abaeaefdac72b3360078fcc23ab69a55937e03223539fa283813a68d7f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    credential_accessdefense_evasiondiscoveryexecutionpersistenceprivilege_escalation

    • Modifies Watchdog functionality

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

      defense_evasion

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

      executionpersistenceprivilege_escalation

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • 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

    • Modifies systemd

      Adds/ modifies systemd service files. Likely to achieve persistence.

      persistenceprivilege_escalation

    • Reads system routing table

      Gets active network interfaces from /proc virtual filesystem.

      discovery

    • Reads process memory

      Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

      credential_access
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Persistence

Boot or Logon Autostart Execution

3
T1547

XDG Autostart Entries

1
T1547.013

Boot or Logon Initialization Scripts

2
T1037

RC Scripts

2
T1037.004

Create or Modify System Process

1
T1543

Systemd Service

1
T1543.002

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

XDG Autostart Entries

1
T1547.013

Boot or Logon Initialization Scripts

2
T1037

RC Scripts

2
T1037.004

Create or Modify System Process

1
T1543

Systemd Service

1
T1543.002

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Defense Evasion

Impair Defenses

1
T1562

Credential Access

OS Credential Dumping

1
T1003

Proc Filesystem

1
T1003.007

Discovery

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

2
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks