General

  • Target

    gl.sh

  • Size

    15KB

  • Sample

    250223-xqcfxavrcr

  • MD5

    c61f2123e8df31ddb461982515ba20be

  • SHA1

    7dd001f290f63e8cf174c2f5b63d2f06b085d397

  • SHA256

    41514012cc5d28caacffb293409e932670a9104ba31971d8838e0f228e9d93d8

  • SHA512

    3a711cfe7dcec640ca00c99b7d11f18ee5d50b1577b3636e7ab42ca3f1a788ea02c04eb4d3b7f45e315d7c8d141f49c265a1cbfd788528fbbadbdcf65e9eeabc

  • SSDEEP

    384:r5JxgzLuqlH2wx2vUaQa5/eN86704s80ooJQYgykWT4yCtvUsDjdWOoJwd:trgXux7YJDj8OoJwd

Malware Config

Targets

    • Target

      gl.sh

    • Size

      15KB

    • MD5

      c61f2123e8df31ddb461982515ba20be

    • SHA1

      7dd001f290f63e8cf174c2f5b63d2f06b085d397

    • SHA256

      41514012cc5d28caacffb293409e932670a9104ba31971d8838e0f228e9d93d8

    • SHA512

      3a711cfe7dcec640ca00c99b7d11f18ee5d50b1577b3636e7ab42ca3f1a788ea02c04eb4d3b7f45e315d7c8d141f49c265a1cbfd788528fbbadbdcf65e9eeabc

    • SSDEEP

      384:r5JxgzLuqlH2wx2vUaQa5/eN86704s80ooJQYgykWT4yCtvUsDjdWOoJwd:trgXux7YJDj8OoJwd

    • 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

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Modifies the dynamic linker configuration file

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

    • XMRig Miner payload

    • 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.

    • Checks hardware identifiers (DMI)

      Checks DMI information which indicate if the system is a virtual machine.

    • 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 hardware information

      Accesses system info like serial numbers, manufacturer names etc.

    • Reads list of loaded kernel modules

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

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks