General

  • Target
    MR-2026-135.MSI.msi
  • Size 564KB
  • Sample260929-rn3x7asapb
  • SHA256 c571da34ec2edce2816ff4092ab21abc6250a6c410ee1f54586f2170a2d5010f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      MR-2026-135.MSI.msi
    • Size 564KB
    • SHA256 c571da34ec2edce2816ff4092ab21abc6250a6c410ee1f54586f2170a2d5010f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: AgentTesla

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

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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

    • Enumerates connected drives

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

    • Looks up external IP address via web service

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks