General

  • Target
    headcrab.sh
  • Size 27KB
  • Sample260628-pkfblshs2w
  • SHA256 1cc2cec68b7d9ac04e7340788b974f94eebe9134a08726eb161814023540adee
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      headcrab.sh
    • Size 27KB
    • SHA256 1cc2cec68b7d9ac04e7340788b974f94eebe9134a08726eb161814023540adee
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Desktop file executes script

      Runs a potentially malicious embedded script with remote resources upon launch.

    • 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.

    • Abuse Elevation Control Mechanism: Sudo and Sudo Caching

      Abuse sudo or cached sudo credentials to execute code.

    • Checks mountinfo of local process

      Checks mountinfo of running processes which indicate if it is running in chroot jail.

    • Contacts third-party web service commonly abused for C2

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

    • Deletes log files

      Deletes log files on the system.

    • Enumerates running processes

      Discovers information about currently running processes on the system

MITRE ATT&CK Enterprise v16

Tasks