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

    240428-nz5z5sfc7w

  • MD5

    be2aeb9627b3f5fd2fde4a146d9f5b75

  • SHA1

    682be209e2b023f957029dba4bdf1c6eac2b4b94

  • SHA256

    f93ecf11df372004d7f6d53d1eb173b518956605108ffa50d5e649ac056dcb46

  • SHA512

    24a6d119d9f915ef234202dc346c025dd75c8d0b17b8e4de200a66e0361dc5b6ae10d0566215e928e40acc3d8a65da87513fda1d61ff9f31b2f61eb0b717950d

  • SSDEEP

    384:MRG99WXUx5+bkbRaliVErjrL9VD9jPwrSaf5bwIB5/8x2BYFydHY0sNDZvzbSNHt:95+Kcrb9VDJef5Q2PdHuzb8HoEPbjT1

Score
10/10
miraisorabotnetdiscoverylinuxupx

Malware Config

Extracted

Family

mirai

Botnet

SORA

Targets

    • Target

      sora.x86.elf

    • Size

      27KB

    • MD5

      be2aeb9627b3f5fd2fde4a146d9f5b75

    • SHA1

      682be209e2b023f957029dba4bdf1c6eac2b4b94

    • SHA256

      f93ecf11df372004d7f6d53d1eb173b518956605108ffa50d5e649ac056dcb46

    • SHA512

      24a6d119d9f915ef234202dc346c025dd75c8d0b17b8e4de200a66e0361dc5b6ae10d0566215e928e40acc3d8a65da87513fda1d61ff9f31b2f61eb0b717950d

    • SSDEEP

      384:MRG99WXUx5+bkbRaliVErjrL9VD9jPwrSaf5bwIB5/8x2BYFydHY0sNDZvzbSNHt:95+Kcrb9VDJef5Q2PdHuzb8HoEPbjT1

    Score
    10/10
    miraisorabotnetdiscovery

    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

      botnetmirai

    • Contacts a large (48986) 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 Watchdog functionality

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

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

1
T1562

Credential Access

Discovery

Network Service Discovery

2
T1046

System Network Connections Discovery

1
T1049

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks