General

  • Target

    c4d29c2d92fb2ef23e03834d03435164d51fd53ad4018d6e2b61664c212d8a72

  • Size

    558KB

  • Sample

    241111-qcxrcssrak

  • MD5

    ee85dd725f312a55c9d751b6b99355fe

  • SHA1

    f95379bb041cab6dc92315fb6996892b79ca580d

  • SHA256

    c4d29c2d92fb2ef23e03834d03435164d51fd53ad4018d6e2b61664c212d8a72

  • SHA512

    f3357231d0adc90a4420f09be43c07272af088e87957f6477dc1a5da71a909a00f633e829b1fe3d9e0dffc502f505a01a0582dce8ae5086542c756f86372085f

  • SSDEEP

    12288:+2KDbnIHoQtjAV8/daHG3rgTAgwAa5YpRMH8OM+VzVCxiCqh82oP+:5KDDIHo0MIIHGce5YLw8OM+VQxzqq2Z

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6150028123:AAEEd2A6XOEJtW6RYKc7tExhq48wfha9Eug/

Targets

    • Target

      Revised invoice docx.bat

    • Size

      612KB

    • MD5

      5dbe3d0e995ac9d225993107aace7046

    • SHA1

      377e1ba2a5ae63a3db08f598157fd58c838d9633

    • SHA256

      447b2429c32e19fcded78461c6ef71c306db970371c6c1c8674e17448dec1c80

    • SHA512

      89346389ad2d6d0169975d1f9db6185ec7bf3986ca490fb2641da495b8c6b1525f45a378d7377f101a0586200e6332c23986b5d9745592c1c3ea471c9d98aa71

    • SSDEEP

      12288:mojc0LA8PMvnIHEQXjch8NHEOxM0HFIH8Ok+VfVyxiuhWnRj5y+8Lyse0:tA8IIHEEI6zxM0lk8Ok+VExH6RVx

    • 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

    • 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