General

  • Target

    Fantazy.sh

  • Size

    3KB

  • Sample

    250102-k816rsvpdw

  • MD5

    32dc75cf6fd364bc37102bf0bb4c6573

  • SHA1

    d7c2cc2d4d82e78ca75f1734be970d61b37caa71

  • SHA256

    efc9fc5b4eb7dfe10b7bf50449aad6d34bdff817c4d490ec83ea64cf0702a9f0

  • SHA512

    6c0989292ca6e6fb348489b0994f4a06b446b2c581364b93604a89c2fb84cd51f707e7f2710bebaa9eb0ff84c9655e8a154acfa3e0b8867efea9e028e6e1235f

Malware Config

Extracted

Family

mirai

C2

zver.stressing.world

Extracted

Family

mirai

C2

zver.stressing.world

Targets

    • Target

      Fantazy.sh

    • Size

      3KB

    • MD5

      32dc75cf6fd364bc37102bf0bb4c6573

    • SHA1

      d7c2cc2d4d82e78ca75f1734be970d61b37caa71

    • SHA256

      efc9fc5b4eb7dfe10b7bf50449aad6d34bdff817c4d490ec83ea64cf0702a9f0

    • SHA512

      6c0989292ca6e6fb348489b0994f4a06b446b2c581364b93604a89c2fb84cd51f707e7f2710bebaa9eb0ff84c9655e8a154acfa3e0b8867efea9e028e6e1235f

    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

    • Mirai family

    • Contacts a large (23674) 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

    • 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