Overview

overview

10

Static

static

10

iran.mipsrouter.elf

debian-9-mips

10

Sharing

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General

  • Target
    iran.mipsrouter.elf
  • Size 230KB
  • Sample261012-3jvxkagy6x
  • SHA256 3108e22a83bb6fda42c62af4c30e5b998d0b45acd5dbcd803b38f9fbada73efb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
flylegitbotbotnetdiscoveryexecutionpersistenceprivilege_escalation

Malware Config

Targets

    • Target
      iran.mipsrouter.elf
    • Size 230KB
    • SHA256 3108e22a83bb6fda42c62af4c30e5b998d0b45acd5dbcd803b38f9fbada73efb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    botnetdiscoveryexecutionflylegitbotpersistenceprivilege_escalation

    • Detects FlyLegitBot

    • Family: FlyLegitBot

      FlyLegitBot is a Mirai-based botnet.

      botnetflylegitbot

    • Deletes itself

    • 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 systemd

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

      persistenceprivilege_escalation

    • Write file to user bin folder

      persistence
    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

2
T1547

XDG Autostart Entries

1
T1547.013

Boot or Logon Initialization Scripts

1
T1037

RC Scripts

1
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

2
T1547

XDG Autostart Entries

1
T1547.013

Boot or Logon Initialization Scripts

1
T1037

RC Scripts

1
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

Credential Access

Discovery

System Information Discovery

1
T1082

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks