General

  • Target

    z3hir.arm7.elf

  • Size

    52KB

  • Sample

    230501-lty9asgh8x

  • MD5

    0b01a77e5cbd3e573c68ebbeea78c613

  • SHA1

    a051da0fb9a61ec5cff51cf4aee2fd2fc5c24b22

  • SHA256

    00ed53cef3499c5947e3b387dee128fa87927e9ed87d997ab1cb2e4ee5b9aa69

  • SHA512

    d4767b2ee3b878c64293c177ed97e3b81ebd5a476bdf707be628dd962138328dc1c81bc2cfff11207c3d8a5342ebd4b11e7d7703132aac5fee5e6440ebe855b4

  • SSDEEP

    1536:bOIlMtSFSIhqUXKpdhi41Hf/ZVxLv8WHE:bOmMoBlapbief/ZrLFE

Malware Config

Extracted

Family

mirai

Botnet

UNST

Targets

    • Target

      z3hir.arm7.elf

    • Size

      52KB

    • MD5

      0b01a77e5cbd3e573c68ebbeea78c613

    • SHA1

      a051da0fb9a61ec5cff51cf4aee2fd2fc5c24b22

    • SHA256

      00ed53cef3499c5947e3b387dee128fa87927e9ed87d997ab1cb2e4ee5b9aa69

    • SHA512

      d4767b2ee3b878c64293c177ed97e3b81ebd5a476bdf707be628dd962138328dc1c81bc2cfff11207c3d8a5342ebd4b11e7d7703132aac5fee5e6440ebe855b4

    • SSDEEP

      1536:bOIlMtSFSIhqUXKpdhi41Hf/ZVxLv8WHE:bOmMoBlapbief/ZrLFE

    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

    • Contacts a large (18942) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Modifies the Watchdog daemon

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

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Reads system network configuration

      Uses contents of /proc filesystem to enumerate network settings.

    • Reads runtime system information

      Reads data from /proc virtual filesystem.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Impair Defenses

1
T1562

Discovery

Network Service Scanning

2
T1046

System Network Connections Discovery

1
T1049

System Network Configuration Discovery

1
T1016

Tasks