General

  • Target

    pulse.sh

  • Size

    2KB

  • Sample

    241217-shbgestjbr

  • MD5

    2efc261b46b38b61e04b765788b4520a

  • SHA1

    8885f1f0dc54acc0fc18ae569a588aed74f0520f

  • SHA256

    c43ed60dcf23bea7081060d912b51686f299f52d27d0ecee5c9206d6c05767a9

  • SHA512

    98610b8f3d27b9c97f3f924cf9fd75567f0947b7a93555099299cd7688d75c1a1a6b5c1d201e8082a921be4b81800041b95febf74cc96acc481336d2bb8e21aa

Malware Config

Extracted

Family

mirai

Botnet

UNSTABLE

C2

servers.vlrt-gap.com

Extracted

Family

mirai

Botnet

UNSTABLE

Extracted

Family

mirai

Botnet

UNSTABLE

C2

servers.vlrt-gap.com

Extracted

Family

mirai

Botnet

UNSTABLE

Targets

    • Target

      pulse.sh

    • Size

      2KB

    • MD5

      2efc261b46b38b61e04b765788b4520a

    • SHA1

      8885f1f0dc54acc0fc18ae569a588aed74f0520f

    • SHA256

      c43ed60dcf23bea7081060d912b51686f299f52d27d0ecee5c9206d6c05767a9

    • SHA512

      98610b8f3d27b9c97f3f924cf9fd75567f0947b7a93555099299cd7688d75c1a1a6b5c1d201e8082a921be4b81800041b95febf74cc96acc481336d2bb8e21aa

    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

    • Mirai family

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

    • Deletes itself

    • 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.

    • Writes file to system bin folder

MITRE ATT&CK Enterprise v15

Tasks