Overview

overview

9

Static

static

1

reaver.x86_64.elf

ubuntu-18.04-amd64

9

Sharing

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General

  • Target
    reaver.x86_64.elf
  • Size 154KB
  • Sample260828-ycj49ssfnc
  • SHA256 c1a6155d4a18a6a055bbaae49dde2ee233c52c2f80b4ce10725b78e4e1664da9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryexectionexecutionlinuxpersistenceprivilege_escalation

Malware Config

Targets

    • Target
      reaver.x86_64.elf
    • Size 154KB
    • SHA256 c1a6155d4a18a6a055bbaae49dde2ee233c52c2f80b4ce10725b78e4e1664da9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryexectionexecutionpersistenceprivilege_escalation

    • Modifies the dynamic linker configuration file

      Malware can modify the configuration file of the dynamic linker to preload malicous libraries with every executed process.

      exectionpersistenceprivilege_escalationdefense_evasion

    • Deletes itself

    • Modifies the /etc/hosts DNS resolution file

      Modifying the /etc/hosts name-resolution file changes IP routing, which can facilitate traffic hijacking or the blocking of (security update) endpoints.

    • Creates/modifies Cron job

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

      executionpersistenceprivilege_escalation

    • Creates/modifies environment variables

      Creating/modifying environment variables is a common persistence mechanism.

      persistenceprivilege_escalationdefense_evasion

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

      discovery

    • 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

    • Modifies Bash startup script

      persistence
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Shared Modules

1
T1129

Persistence

Boot or Logon Autostart Execution

4
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

Event Triggered Execution

1
T1546

Unix Shell Configuration Modification

1
T1546.004

Hijack Execution Flow

2
T1574

Dynamic Linker Hijacking

1
T1574.006

Path Interception by PATH Environment Variable

1
T1574.007

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Privilege Escalation

Boot or Logon Autostart Execution

4
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

Event Triggered Execution

1
T1546

Unix Shell Configuration Modification

1
T1546.004

Hijack Execution Flow

2
T1574

Dynamic Linker Hijacking

1
T1574.006

Path Interception by PATH Environment Variable

1
T1574.007

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Defense Evasion

Hijack Execution Flow

2
T1574

Dynamic Linker Hijacking

1
T1574.006

Path Interception by PATH Environment Variable

1
T1574.007

Credential Access

Adversary-in-the-Middle

1
T1557

Discovery

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

System Network Connections Discovery

1
T1049

Lateral Movement

Collection

Adversary-in-the-Middle

1
T1557

Command and Control

Exfiltration

Impact

Tasks