General

  • Target
    7568bf2f02a3ca6e557c600b50b9f105909bb496acf5300d68647963723a33fc
  • Size 4KB
  • Sample260728-ft3c3abm41
  • SHA256 7568bf2f02a3ca6e557c600b50b9f105909bb496acf5300d68647963723a33fc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      7568bf2f02a3ca6e557c600b50b9f105909bb496acf5300d68647963723a33fc
    • Size 4KB
    • SHA256 7568bf2f02a3ca6e557c600b50b9f105909bb496acf5300d68647963723a33fc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Contacts a large (6634) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Modifies password files for system users/ groups

      Modifies files storing password hashes of existing users/ groups, likely to grant additional privileges.

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

    • Executes dropped EXE

    • OS Credential Dumping

      Adversaries may attempt to dump credentials to use it in password cracking.

    • Adds a user to the system

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Deletes log files

      Deletes log files on the system.

    • 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.

    • 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

    • Writes file to system bin folder

MITRE ATT&CK Enterprise v16

Tasks