General

  • Target

    AccountConfirmation......pdf.exe.bin

  • Size

    697KB

  • Sample

    240518-gvy8gafb25

  • MD5

    9f4102e5fceb9bd887e7a9ed955e13cb

  • SHA1

    d22341c77383ff02ac35b8263a427901eed845ab

  • SHA256

    a6b131e76e6f1ebeb8c3aa7bc8ce1aebbe1882fac9bfac66c5509b279f77da8c

  • SHA512

    1cbd89c286532c6ce474d91adb39de6d63755d213960980534c79ed5091fdf1043576b3bc734eafa4264c66563f85b132f0600766f3fe8b80bce3023a9d63ed0

  • SSDEEP

    12288:cdrLbDZaNRpPPwPqhJ3vyuUSp3z0BhN0L0tEsKW57YMFKz:yLDZMRpPPga3aG1eGpLzPz

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      AccountConfirmation......pdf.exe.bin

    • Size

      697KB

    • MD5

      9f4102e5fceb9bd887e7a9ed955e13cb

    • SHA1

      d22341c77383ff02ac35b8263a427901eed845ab

    • SHA256

      a6b131e76e6f1ebeb8c3aa7bc8ce1aebbe1882fac9bfac66c5509b279f77da8c

    • SHA512

      1cbd89c286532c6ce474d91adb39de6d63755d213960980534c79ed5091fdf1043576b3bc734eafa4264c66563f85b132f0600766f3fe8b80bce3023a9d63ed0

    • SSDEEP

      12288:cdrLbDZaNRpPPwPqhJ3vyuUSp3z0BhN0L0tEsKW57YMFKz:yLDZMRpPPga3aG1eGpLzPz

    • AgentTesla

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

    • 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.

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks