Overview

overview

10

Static

static

10

[x86].elf

ubuntu-18.04-amd64

9

Sharing

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General

  • Target

    [x86].elf

  • Size

    301KB

  • Sample

    230110-kyxqlafe46

  • MD5

    925f81866adee5546e0fdd52fbc9261e

  • SHA1

    2d18710c6c0d6a39ac905366ede7c80675050e1a

  • SHA256

    bfc8c40a50c27a9b04d34fa84887a71e3672f5da9e5602506a137ae199a7638f

  • SHA512

    f1db33b7122cb8ab39b640740b47e30a556f06440afa6e78b1da3d96af15caae19243a10c76aa0fc46afb4ebfd9c78ae45dfe77a84ee2e1a698466cc1e4a8a7b

  • SSDEEP

    6144:SdYqcWBafIGaHqNsMQy1GgTKomE7Zi9O/DPw1KSYz1jcq:SdzcWBafjaVMQOmE7Zi9O/DPw1KSYz9L

Score
10/10
kaitenlinuxpersistence

Malware Config

Targets

    • Target

      [x86].elf

    • Size

      301KB

    • MD5

      925f81866adee5546e0fdd52fbc9261e

    • SHA1

      2d18710c6c0d6a39ac905366ede7c80675050e1a

    • SHA256

      bfc8c40a50c27a9b04d34fa84887a71e3672f5da9e5602506a137ae199a7638f

    • SHA512

      f1db33b7122cb8ab39b640740b47e30a556f06440afa6e78b1da3d96af15caae19243a10c76aa0fc46afb4ebfd9c78ae45dfe77a84ee2e1a698466cc1e4a8a7b

    • SSDEEP

      6144:SdYqcWBafIGaHqNsMQy1GgTKomE7Zi9O/DPw1KSYz1jcq:SdzcWBafjaVMQOmE7Zi9O/DPw1KSYz9L

    Score
    9/10
    persistence

    • Modifies the Watchdog daemon

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

    • Writes file to system bin folder

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Modifies rc script

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

      persistence

    • Reads system network configuration

      Uses contents of /proc filesystem to enumerate network settings.

    • Reads runtime system information

      Reads data from /proc virtual filesystem.

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hijack Execution Flow

1
T1574

Boot or Logon Autostart Execution

1
T1547

Privilege Escalation

Hijack Execution Flow

1
T1574

Boot or Logon Autostart Execution

1
T1547

Defense Evasion

Impair Defenses

1
T1562

Hijack Execution Flow

1
T1574

Credential Access

Discovery

System Network Connections Discovery

1
T1049

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks