General

  • Target
    123.zip
  • Size 9.4MB
  • Sample260813-cfc98szcnd
  • SHA256 05716a641900490d0da0ae421ce989f8de30176b34eda532d3dbe560161637b2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      1
    • Size 3.1MB
    • SHA256 0b8e037d160bdb0b621c975c424f680b814bc438fd492ae376ff3140e209e480
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

    • Deletes Audit logs

      Deletes logs related to the Linux Audit framework.

    • Deletes journal logs

      Deletes systemd journal logs. Likely to evade detection.

    • Deletes system logs

      Deletes log file which contains global system messages. Adversaries may delete system logs to minimize their footprint.

    • Modifies the /etc/hosts DNS resolution file

      Modifying the /etc/hosts name-resolution file changes IP routing, which can facilitate traffic hijacking or the blocking of (security update) endpoints.

    • 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.

    • Deletes log files

      Deletes log files on the 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

    • Reads hardware information

      Accesses system info like serial numbers, manufacturer names etc.

    • Removes the immutable protection flag from a file

      Uses chattr to remove the immutable flag from a file, allowing previously write-protected files to be modified or deleted.

    • Write file to user bin folder

    • Target
      2
    • Size 7.5MB
    • SHA256 6a1f70ef89684037bb3d0536657f00a92fbbcdb9067195b060128a221df79df5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      3
    • Size 7.9MB
    • SHA256 ed23db197d907bdb6873c02b7222110321b0f859e329c420a6d0d6e50220308f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks