Resubmissions

06/12/2024, 09:16

241206-k8sjmawmck10

25/03/2024, 13:08

240325-qdebeagf9810

General

  • Target
    16201498086.zip
  • Size 2.0MB
  • Sample240325-qdebeagf98
  • SHA256 a7c9f67a881aabc9f37b62bb44887abb5f1b27bb9345005de606885ef38b5a12
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      55845e687ddcd2c133d6e30802be2dcc54f27fb8abb894229f76b0767ce56567
    • Size 4.7MB
    • SHA256 55845e687ddcd2c133d6e30802be2dcc54f27fb8abb894229f76b0767ce56567
    • MD5 SHA1 SHA512 SSDEEP
    • Renames multiple (43000) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Deletes journal logs

      Deletes systemd journal logs. Likely to evade detection.

    • Modifies Polkit authorization policy

      Modifies rule/ action files in Polkit, possibly to grant additional privileges.

    • 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 running processes

      Discovers information about currently running processes on the system

    • Reads CPU attributes

    • Reads hardware information

      Accesses system info like serial numbers, manufacturer names etc.

    • Reads network interface configuration

      Fetches information about one or more active network interfaces.

    • Write file to user bin folder

    • Writes file to system bin folder

MITRE ATT&CK Enterprise v15

Tasks