General

  • Target

    d3e83fef64df80641024401e4604b16a39b294fa932ee8c232533156046858e7

  • Size

    1.5MB

  • Sample

    250113-bnacwa1mfm

  • MD5

    376ec2d8cbef9b92a35937da97ae645a

  • SHA1

    6e13533f08f45a85c8e21b6da4877760a4240493

  • SHA256

    d3e83fef64df80641024401e4604b16a39b294fa932ee8c232533156046858e7

  • SHA512

    49a063f6450c95ac5239fa6441d9ef469e940ea8799b80a4b426ba3e11ca05215a5b4f120225d5b53ccda2614713c59cae0429b6bbe5b1dc2c5ac4206a45eb94

  • SSDEEP

    24576:MQV08Jj4/8JK9moZuh6pEe7kBTOHbtv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:iEc/LY+x7kobjLoyEkmZ9Y14

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5787817567:AAFfgdsJ5_sXLdsezA8LUYkGkFAqmdOpZG4/

Targets

    • Target

      d3e83fef64df80641024401e4604b16a39b294fa932ee8c232533156046858e7

    • Size

      1.5MB

    • MD5

      376ec2d8cbef9b92a35937da97ae645a

    • SHA1

      6e13533f08f45a85c8e21b6da4877760a4240493

    • SHA256

      d3e83fef64df80641024401e4604b16a39b294fa932ee8c232533156046858e7

    • SHA512

      49a063f6450c95ac5239fa6441d9ef469e940ea8799b80a4b426ba3e11ca05215a5b4f120225d5b53ccda2614713c59cae0429b6bbe5b1dc2c5ac4206a45eb94

    • SSDEEP

      24576:MQV08Jj4/8JK9moZuh6pEe7kBTOHbtv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:iEc/LY+x7kobjLoyEkmZ9Y14

    • 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

    • 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