General

  • Target
    88000000027160022_07019STC.exe
  • Size 849KB
  • Sample220405-mtdg9sdee2
  • SHA256 783a0ab9ef1ce64fb9390ad9906cdeed76cf978b36c0f5eedbc9e2b18a0ad8da
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot2124462934:AAGr-L06waDdFGpnKJz3_DCOFcJpWDQ7WIM/sendDocument

Targets

    • Target
      88000000027160022_07019STC.exe
    • Size 849KB
    • SHA256 783a0ab9ef1ce64fb9390ad9906cdeed76cf978b36c0f5eedbc9e2b18a0ad8da
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • AgentTesla Payload

    • Looks for VirtualBox Guest Additions in registry

    • Drops file in Drivers directory

    • 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.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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 v6

Tasks