Resubmissions

26-05-2024 14:30

240526-rvl81she71 8

26-05-2024 14:10

240526-rg3nvaha7x 10

26-05-2024 13:34

240526-qt8vyshb42 8

26-05-2024 02:51

240526-dcf3dscc8t 10

General

  • Target

    http://acerfans.ru

  • Sample

    240526-rvl81she71

Malware Config

Targets

    • Target

      http://acerfans.ru

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Checks system information in the registry

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks