General

  • Target
    aitum-multistream-windows-installer (1).exe
  • Size 3.5MB
  • Sample260824-ssddrszelf
  • SHA256 be27a66122d637b5a7f5462994ad577266b3c4f0ddbedf9458cb7a4182f32636
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      aitum-multistream-windows-installer (1).exe
    • Size 3.5MB
    • SHA256 be27a66122d637b5a7f5462994ad577266b3c4f0ddbedf9458cb7a4182f32636
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

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

    • Downloads MZ/PE file

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops file in System32 directory

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

MITRE ATT&CK Enterprise v16

Tasks