General

  • Target

    pulse.sh

  • Size

    2KB

  • Sample

    241211-1qgmeazkd1

  • MD5

    2d3c16a2a4a95fbea8e3701f1a87f196

  • SHA1

    3f58b26babc849466241b5370aa6550967075c78

  • SHA256

    ef3eaa8e117b7d554783cc7ec3e87b9000b253514c68d2af01b9228136eda3ca

  • SHA512

    499835274884d0063f666b2b5e708de9428d5ce5c6682a7847bba97c6058eafb6168e10ba896d53f76ebba4d16515d262ca8a9ef7ad81bdfbca145247793e102

Malware Config

Extracted

Family

mirai

Botnet

BOTNET

Extracted

Family

mirai

Botnet

BOTNET

Extracted

Family

mirai

Botnet

BOTNET

Targets

    • Target

      pulse.sh

    • Size

      2KB

    • MD5

      2d3c16a2a4a95fbea8e3701f1a87f196

    • SHA1

      3f58b26babc849466241b5370aa6550967075c78

    • SHA256

      ef3eaa8e117b7d554783cc7ec3e87b9000b253514c68d2af01b9228136eda3ca

    • SHA512

      499835274884d0063f666b2b5e708de9428d5ce5c6682a7847bba97c6058eafb6168e10ba896d53f76ebba4d16515d262ca8a9ef7ad81bdfbca145247793e102

    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

    • Mirai family

    • Contacts a large (102462) 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks