Overview

overview

10

Static

static

7

sora.x86.elf

ubuntu-18.04-amd64

10

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General

  • Target

    sora.x86.elf

  • Size

    27KB

  • Sample

    230507-l9765sec68

  • MD5

    b97bad82a026e34f3ad136af64dbac19

  • SHA1

    0fe3fff5671d5f7c78051e5c1a4feacb21fec16e

  • SHA256

    71e33db6119899d5f54b11f22bae9355559e073ede780c41e46c15dba607607f

  • SHA512

    9f21f40967fa31d04cdfe9dded0768d8a9070992c2b3c4be0ec5d7f4daedba7ff60e6c874f85b6f36597b76ec2dff77ad23d2876ab902c9173da8acb921ad922

  • SSDEEP

    768:u5+Kcrb9VDJee2KTgdTHOBcK5ZCAy71iC:hlrb9veKTg9QB5V8L

Score
10/10
miraisorabotnetdiscoverylinuxupx

Malware Config

Extracted

Family

mirai

Botnet

SORA

Targets

    • Target

      sora.x86.elf

    • Size

      27KB

    • MD5

      b97bad82a026e34f3ad136af64dbac19

    • SHA1

      0fe3fff5671d5f7c78051e5c1a4feacb21fec16e

    • SHA256

      71e33db6119899d5f54b11f22bae9355559e073ede780c41e46c15dba607607f

    • SHA512

      9f21f40967fa31d04cdfe9dded0768d8a9070992c2b3c4be0ec5d7f4daedba7ff60e6c874f85b6f36597b76ec2dff77ad23d2876ab902c9173da8acb921ad922

    • SSDEEP

      768:u5+Kcrb9VDJee2KTgdTHOBcK5ZCAy71iC:hlrb9veKTg9QB5V8L

    Score
    10/10
    miraisorabotnetdiscovery

    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

      botnetmirai

    • Contacts a large (160679) 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

    • Modifies the Watchdog daemon

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

    • Changes its process name

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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

Privilege Escalation

Defense Evasion

Impair Defenses

1
T1562

Credential Access

Discovery

Network Service Scanning

2
T1046

System Network Connections Discovery

1
T1049

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks