General

  • Target

    ba3b06fa86dbb5d8cb8ba41be9eb4c8c357338cda9afcf2b822bd2ff5cb0d873

  • Size

    502KB

  • Sample

    240612-btb4naxfkk

  • MD5

    0c36f06b86cc3cebc4b980dce681fcb8

  • SHA1

    2d67c331ee7a015c71efccd3aa986df04376694e

  • SHA256

    ba3b06fa86dbb5d8cb8ba41be9eb4c8c357338cda9afcf2b822bd2ff5cb0d873

  • SHA512

    66d8e4d406fb828de69f5cd366fc67e13a139efd9d56c8ea883a85e5b6fae6a9ca8ca9a4aab600a77d4de6e0d4126dc07b55d3959aa69f599baaa8b8cba2dea9

  • SSDEEP

    12288:ANp16BVEv5EgTskYprJuPFVEcGaS3iofpgLyFpoEKpSSlEF:2ABVEv5EFrcUcjS3iofqLyFKrpSSs

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Orden#46789_2024_Optoflux_mexico_sderlss.exe

    • Size

      861KB

    • MD5

      af0dccdcac71a9ec9395bbac08c232a8

    • SHA1

      c9647a1d282db7ed314af4c17a86dc5d92f752dc

    • SHA256

      a8726088fffcb88c32528d617d58d5c0d028c28115842f0c2a4f7a7fe5192e82

    • SHA512

      554ab8af23e8b9438f7d89191c3dee457e80f93202d55bd0cdb80be3cf94c25a1d0f8464c51b274aa55ca67ed34c672f25fb0b6e10791c33ab54ead27e1cd333

    • SSDEEP

      12288:z1I6SaGRIuDJpW2YwPUqw2yK1WHV+m/SIo6I6JT/sudfpdCcqXQ:nEpIaY/smfXCcsQ

    • AgentTesla

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • 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