General

  • Target
    DEBIT NOTE.exe
  • Size 558KB
  • Sample220328-zxp2pabcbl
  • SHA256 63c91fa1eade0720aaaafadc134c2ccaa9e541b444fbd2a8d33f446d2761bc77
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot1562684159:AAF0RHsedAMUFPfvPk6IyrreCEPxQ_b3Y3g/sendDocument

Targets

    • Target
      DEBIT NOTE.exe
    • Size 558KB
    • SHA256 63c91fa1eade0720aaaafadc134c2ccaa9e541b444fbd2a8d33f446d2761bc77
    • 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

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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