General

  • Target
    Proforma invoice from DPC 20230827 (CNY).xls.exe
  • Size 698KB
  • Sample230927-glwe8agc6x
  • SHA256 ec35b0c10000f1cfcf5e667c474e1ab439dd9ef1f62a4732eae437b4c968a1cf
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      Proforma invoice from DPC 20230827 (CNY).xls.exe
    • Size 698KB
    • SHA256 ec35b0c10000f1cfcf5e667c474e1ab439dd9ef1f62a4732eae437b4c968a1cf
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks