General

  • Target

    84450bcfa08e7c33b1ea94302457a478b394ef0996f626ee5f1c60ab83024756.elf

  • Size

    77KB

  • Sample

    250202-e7sv4swjdx

  • MD5

    45a33a3f566fe9a6ee1e492d1905634d

  • SHA1

    2839588f169759f13e9377f05128d862e7c00f6f

  • SHA256

    84450bcfa08e7c33b1ea94302457a478b394ef0996f626ee5f1c60ab83024756

  • SHA512

    501a80cf158c3d87cfa1e86c0730dc09f31e206f84ea9d7d1468b2fc08e9366c7e6d1609d6035d64c08842fb480403dd445d68de6e36061625d6780e17d83505

  • SSDEEP

    1536:Zxn7gLqXIQHj0jLwdeEyQqF1G4/BSc9Zg9ZUzMVy9r2UQZdljuit+AG2:kLgIZjLqeECl/BSyIWzMVy9r2Nd+AB

Malware Config

Extracted

Family

mirai

Botnet

BOTNET

Targets

    • Target

      84450bcfa08e7c33b1ea94302457a478b394ef0996f626ee5f1c60ab83024756.elf

    • Size

      77KB

    • MD5

      45a33a3f566fe9a6ee1e492d1905634d

    • SHA1

      2839588f169759f13e9377f05128d862e7c00f6f

    • SHA256

      84450bcfa08e7c33b1ea94302457a478b394ef0996f626ee5f1c60ab83024756

    • SHA512

      501a80cf158c3d87cfa1e86c0730dc09f31e206f84ea9d7d1468b2fc08e9366c7e6d1609d6035d64c08842fb480403dd445d68de6e36061625d6780e17d83505

    • SSDEEP

      1536:Zxn7gLqXIQHj0jLwdeEyQqF1G4/BSc9Zg9ZUzMVy9r2UQZdljuit+AG2:kLgIZjLqeECl/BSyIWzMVy9r2Nd+AB

    • Contacts a large (109443) 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.

    • Deletes itself

    • Modifies Watchdog functionality

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

    • Renames itself

    • Unexpected DNS network traffic destination

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

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Reads process memory

      Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

MITRE ATT&CK Enterprise v15

Tasks