General

  • Target
    EXM Free Tweaking Utility V9.1.cmd
  • Size 644KB
  • Sample260718-abyn9sdx4x
  • SHA256 eee5eeeab0f437a3f2a4f65da3fe38c17ccaa6fc398af3c36fb261c09c88b319
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      EXM Free Tweaking Utility V9.1.cmd
    • Size 644KB
    • SHA256 eee5eeeab0f437a3f2a4f65da3fe38c17ccaa6fc398af3c36fb261c09c88b319
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies boot configuration data using bcdedit

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Remote Services: SMB/Windows Admin Shares

      Adversaries may use Valid Accounts to interact with a remote network share using Server Message Block (SMB).

MITRE ATT&CK Enterprise v16

Tasks