General

  • Target

    932a9d7b2aaf4bf741ab52af310f53c9d6af40caaecbf3edf0ebf2b1c05c296a

  • Size

    680KB

  • Sample

    241218-bg56zawkbt

  • MD5

    1354c7c01972c780487febb30a5a3eef

  • SHA1

    b60e36e28a398ae0aaaf5ec2005207ed622fd95e

  • SHA256

    932a9d7b2aaf4bf741ab52af310f53c9d6af40caaecbf3edf0ebf2b1c05c296a

  • SHA512

    2e16b4b6cfafb5ef5fa5ed9a706d01b4e7be302f990defa66f79441f39367a87bc3807672dec200414fe88ec18248b548f19ff99c0a20751572447463a4430b2

  • SSDEEP

    12288:/rxvkjfHnTFdKu2qjDy4pCHXfIhQYi++05tzQlDz19J9JaEG:YfhUqjDZpCHP4+0jMRR39JI

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6852245174:AAHgk_9s-tH6YNacTaCnQz56uJMggI0fZDw/

Targets

    • Target

      JfsmpBIQ1LgMUAk.exe

    • Size

      927KB

    • MD5

      652d25f38f4ed183acf9b013cb2a2275

    • SHA1

      7c8860477a60b6332f2bc71a585e9886dac153f6

    • SHA256

      39631d4807643ffd35ec654d308f01a920fef38ba977d94969cbd6bdeb81b607

    • SHA512

      d92c7cd916f0c429370e7bcfaa6fb373268083de2190081971bb9b95f6bf6efea402d54ea9a3d2419d570dc1b02ab2129387c906c428aba44ec245bffc6d970b

    • SSDEEP

      12288:S54f2Vu4HSyBykosI4DS1zAfm+c238ZF4DyzpUpMTgyQEbMPku+l0CPP:m447yr4izAfo2MH4DyzpKzvVPd+p

    • 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.

    • 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