General

  • Target

    bins.sh

  • Size

    1KB

  • Sample

    241209-g31fhavpfk

  • MD5

    ba34e2572756bdc1853f5476c4950ee1

  • SHA1

    bc0cb49857e639529027953fa0ee071006593360

  • SHA256

    a3b4ca3e421e53a70548712817dabf817e6660608d29be1f60caf952ea54b542

  • SHA512

    a3c2e21bddc56d53086b46721e114603d8a8efaef180f8d656c9e806f57fdca8a2255938a0ad8374c44defb48735729300aec10ff9618a00c69f223d417f951a

Malware Config

Extracted

Family

mirai

Botnet

KURC

Extracted

Family

mirai

Botnet

KURC

Extracted

Family

mirai

Botnet

KURC

Targets

    • Target

      bins.sh

    • Size

      1KB

    • MD5

      ba34e2572756bdc1853f5476c4950ee1

    • SHA1

      bc0cb49857e639529027953fa0ee071006593360

    • SHA256

      a3b4ca3e421e53a70548712817dabf817e6660608d29be1f60caf952ea54b542

    • SHA512

      a3c2e21bddc56d53086b46721e114603d8a8efaef180f8d656c9e806f57fdca8a2255938a0ad8374c44defb48735729300aec10ff9618a00c69f223d417f951a

    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

    • Mirai family

    • Contacts a large (114201) 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.

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

    • Executes dropped EXE

    • 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

    • Writes file to system bin folder

MITRE ATT&CK Enterprise v15

Tasks