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Resubmissions

09/09/2024, 16:59

240909-vhqbpa1frf 9

02/10/2023, 07:19

231002-h5hh5sga9y 9

General

  • Target

    2.sh

  • Size

    18KB

  • Sample

    240909-vhqbpa1frf

  • MD5

    77e3046e6271f2871ed34497a06ce770

  • SHA1

    b0a6bd77c3371ff4be33ba5070aa486204853b0b

  • SHA256

    cda6a3a92d746c0be30c1809c15b2f5e344b724dcecbda7729234a798fb5218b

  • SHA512

    49072c85b82cd494a7fa55172bc4f012b4f63e096d075cd8ec15aa8f037443408ce516e885f1c54cf65ee617a807adaf2634d3508017a790be40012ba819c7b5

  • SSDEEP

    192:7jQ04oGAuVvZ7U3voFUzcF1pNbHqbbA8g5ugdjqDWThOAaI1cnUeGy3K1ywOK:7jpmVCYUw3MbA5WS09QuUeGyJTK

Malware Config

Targets

    • Target

      2.sh

    • Size

      18KB

    • MD5

      77e3046e6271f2871ed34497a06ce770

    • SHA1

      b0a6bd77c3371ff4be33ba5070aa486204853b0b

    • SHA256

      cda6a3a92d746c0be30c1809c15b2f5e344b724dcecbda7729234a798fb5218b

    • SHA512

      49072c85b82cd494a7fa55172bc4f012b4f63e096d075cd8ec15aa8f037443408ce516e885f1c54cf65ee617a807adaf2634d3508017a790be40012ba819c7b5

    • SSDEEP

      192:7jQ04oGAuVvZ7U3voFUzcF1pNbHqbbA8g5ugdjqDWThOAaI1cnUeGy3K1ywOK:7jpmVCYUw3MbA5WS09QuUeGyJTK

    • 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.

    • Flushes firewall rules

      Flushes/ disables firewall rules inside the Linux kernel.

    • Loads a kernel module

      Loads a Linux kernel module, potentially to achieve persistence

    • 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.

    • Creates/modifies environment variables

      Creating/modifying environment variables is a common persistence mechanism.

    • Disables SELinux

      Disables SELinux security module.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Modifies rc script

      Adding/modifying system rc scripts is a common persistence mechanism.

    • Modifies systemd

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

    • Writes file to system bin folder

    • Modifies Bash startup script

MITRE ATT&CK Enterprise v15

Tasks