General

  • Target

    1919.exe

  • Size

    559KB

  • Sample

    221124-k9l38sde78

  • MD5

    205083f15a3856bc55543a1584fc5e26

  • SHA1

    a6d28626b6199d5e74cd403b601971bdc94c31c8

  • SHA256

    4e917ed708e6c20ca6f74372e37680aac6af8a9fc214e903ff4297438cf94261

  • SHA512

    5ed7c8d21060fb03fdf32a1282b28f8160ced94e3f78facf37dc9d0b158b8e9ecf29aa5f4165cae4860730abe91c99c03218b6ac48c20de905ebbf55ea2e8a5d

  • SSDEEP

    6144:bBnyiTgcabVMZhjyaBfQxPul+b5YkD50gkzYLCO9zdGb+B7oSEz2buuEJIDcc4em:YfccMmaB0uWafz+CWGKKiSuywV4YC

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5453942321:AAF6CS9julQ6K7s5pxacNALwWJ2A52D0EC4/

Targets

    • Target

      1919.exe

    • Size

      559KB

    • MD5

      205083f15a3856bc55543a1584fc5e26

    • SHA1

      a6d28626b6199d5e74cd403b601971bdc94c31c8

    • SHA256

      4e917ed708e6c20ca6f74372e37680aac6af8a9fc214e903ff4297438cf94261

    • SHA512

      5ed7c8d21060fb03fdf32a1282b28f8160ced94e3f78facf37dc9d0b158b8e9ecf29aa5f4165cae4860730abe91c99c03218b6ac48c20de905ebbf55ea2e8a5d

    • SSDEEP

      6144:bBnyiTgcabVMZhjyaBfQxPul+b5YkD50gkzYLCO9zdGb+B7oSEz2buuEJIDcc4em:YfccMmaB0uWafz+CWGKKiSuywV4YC

    • AgentTesla

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 v6

Tasks