General

  • Target

    addb01ee4d8af56ab5d80f68318311d3c4be44e8c55b97fbaa3cc4b792130c33

  • Size

    1.3MB

  • Sample

    241017-byjz3ayclp

  • MD5

    568e7fa2e410f9cbf0820770f1e7bbae

  • SHA1

    1bcf238996b17d8ae18c2cabc8b76388d08ac026

  • SHA256

    addb01ee4d8af56ab5d80f68318311d3c4be44e8c55b97fbaa3cc4b792130c33

  • SHA512

    4deb8f9d2597f7aa3dfe21498dc4486cf7fa7ad06068c0f0b79281d54e678c2acaf06c8fa80ffd9d20613c3a929e169c8d308f197bbfa1e3cfa88ee4f871923f

  • SSDEEP

    24576:s6hNCs0+rObdheGqQgJF8BexanHnczyUP0eexX5Ccm1inDnmza:s6acmhe0gboi08z7P0xxX5Lm1inDnmza

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Purchase order.exe

    • Size

      1.4MB

    • MD5

      4c363afc82b0757d2723ff1287ab85de

    • SHA1

      eae78234d3125edb5e161641b1c61dfab9456a46

    • SHA256

      0787749d9897612314975e2943139157efcff4dbf604323d3d950c76b7555719

    • SHA512

      c202cb6c3b8bef7cb556c335595c03e7da412e00466491e3bbbec15391bec8250d944ada1eb4b4e5d6215d39c2f28996a025a6de78243570382cf188744d8ac3

    • SSDEEP

      24576:szSWNKs08nmbdXiQsGgJF2B+xaJ/ncPUoN0eaxn7wymHinDVw2iTYYuX0J:gSPGyXi0gbKCikPPN0fxn7NmHinDVw2e

    • AgentTesla

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

    • 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.

    • 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