General

  • Target

    3f57fceadeb097c028a7d7fa5e917da65bb9174245cdfde720629c6c495166fe.sh

  • Size

    15KB

  • Sample

    250224-czx4razjam

  • MD5

    66f8044644383350d03c53bec222ec26

  • SHA1

    a84605f48dbd42fc037f669da256b987e2e9fad2

  • SHA256

    3f57fceadeb097c028a7d7fa5e917da65bb9174245cdfde720629c6c495166fe

  • SHA512

    0b156a7ac020d3d2e43e5dc4944af457d11412b9249f84094cf82e14e576b0f59cf76afc81a1b2dea55ff50cbb43ed5b4e195dba51b45c207e5b216a3fe6edb7

  • SSDEEP

    384:r5JxgzLuqlH2wx2vUaQa5/eN86704s80ooJQYgykWT4yCtvUsDjdWOoJwb:trgXux7YJDj8OoJwb

Malware Config

Targets

    • Target

      3f57fceadeb097c028a7d7fa5e917da65bb9174245cdfde720629c6c495166fe.sh

    • Size

      15KB

    • MD5

      66f8044644383350d03c53bec222ec26

    • SHA1

      a84605f48dbd42fc037f669da256b987e2e9fad2

    • SHA256

      3f57fceadeb097c028a7d7fa5e917da65bb9174245cdfde720629c6c495166fe

    • SHA512

      0b156a7ac020d3d2e43e5dc4944af457d11412b9249f84094cf82e14e576b0f59cf76afc81a1b2dea55ff50cbb43ed5b4e195dba51b45c207e5b216a3fe6edb7

    • SSDEEP

      384:r5JxgzLuqlH2wx2vUaQa5/eN86704s80ooJQYgykWT4yCtvUsDjdWOoJwb:trgXux7YJDj8OoJwb

    • Kinsing

      Kinsing is a loader written in Golang.

    • Kinsing Rootkit

      Rootkit reuses the publicly available BEURK rootkit.

    • Kinsing Rootkit payload

    • Kinsing family

    • Kinsing payload

    • Kinsing_rootkit family

    • Modifies the dynamic linker configuration file

      Malware can modify the configuration file of the dynamic linker to preload malicous libraries with every executed process.

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

    • Executes dropped EXE

    • Flushes firewall rules

      Flushes/ disables firewall rules inside the Linux kernel.

    • Loads a kernel module

      Loads a Linux kernel module, potentially to achieve persistence

    • Abuse Elevation Control Mechanism: Sudo and Sudo Caching

      Abuse sudo or cached sudo credentials to execute code.

    • Attempts to change immutable files

      Modifies inode attributes on the filesystem to allow changing of immutable files.

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies systemd

      Adds/ modifies systemd service files. Likely to achieve persistence.

    • Reads list of loaded kernel modules

      Reads the list of currently loaded kernel modules, possibly to detect virtual environments.

MITRE ATT&CK Enterprise v15

Tasks