Resubmissions

24/12/2022, 20:34

221224-zcnccsdg6t10

24/12/2022, 00:27

221224-arzaqsce9110

23/12/2022, 23:33

221223-3jva2ace7v10

General

  • Target
    SecuriteInfo.com.Win64.RATX-gen.30948.8275.exe
  • Size 1.1MB
  • Sample221224-arzaqsce91
  • SHA256 6f05a91cd30498cf1bc9b2e0058f1e3caa18b401b77d0a83b71a6df845430716
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      SecuriteInfo.com.Win64.RATX-gen.30948.8275.exe
    • Size 1.1MB
    • SHA256 6f05a91cd30498cf1bc9b2e0058f1e3caa18b401b77d0a83b71a6df845430716
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • UAC bypass

    • Windows security bypass

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks