General

  • Target

    PO581409029.exe

  • Size

    632KB

  • Sample

    250128-k77bdstqcz

  • MD5

    7a63812ad6f56e95a8ab7499a96cb5be

  • SHA1

    a194d62a3908c653fa3b259bc7fc0bf6f6d5b8cc

  • SHA256

    a43a6421f9f5f7ac6ce878ceff99e594fadc983275f4f2f464341e5564784c70

  • SHA512

    c4b258413a101b7c8d6c445bc926e894114e4f4a6ddfa736955297fdf33e160ff0c22667d23573a85e4377388a72305e6313f04a8a378090508f075cea71a19b

  • SSDEEP

    12288:YjhQdV7rjuR62FhKcog3QSai6ceDx9QCRmWrFyD/dKzf:tdVnU62FcJsz8XD7vRmRA7

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      PO581409029.exe

    • Size

      632KB

    • MD5

      7a63812ad6f56e95a8ab7499a96cb5be

    • SHA1

      a194d62a3908c653fa3b259bc7fc0bf6f6d5b8cc

    • SHA256

      a43a6421f9f5f7ac6ce878ceff99e594fadc983275f4f2f464341e5564784c70

    • SHA512

      c4b258413a101b7c8d6c445bc926e894114e4f4a6ddfa736955297fdf33e160ff0c22667d23573a85e4377388a72305e6313f04a8a378090508f075cea71a19b

    • SSDEEP

      12288:YjhQdV7rjuR62FhKcog3QSai6ceDx9QCRmWrFyD/dKzf:tdVnU62FcJsz8XD7vRmRA7

    • AgentTesla

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

    • Agenttesla family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks