General

  • Target

    e7adf7da5581b485f51456a91295676db483d48f4e842f7a69ff8c6d87dc8d55.exe

  • Size

    679KB

  • Sample

    240910-csezlascrp

  • MD5

    671b1537b7bc2b27d975a316d050f2ea

  • SHA1

    a47a0d0c3cc51375c555a4d188171fd06bc54118

  • SHA256

    e7adf7da5581b485f51456a91295676db483d48f4e842f7a69ff8c6d87dc8d55

  • SHA512

    6f34ebbf2152e307008437a55dfd4251d96c8f0928b4facf49a664dbdb3ff9d0cce16af5e6245a5135b298b1b5fd858f02b5835c65ddf5fde45149eb2441dec2

  • SSDEEP

    12288:LGNkMIfN8Zrd1Opw9abF+28bkbzSDF7Pd4g+4nOv27C9fHgc0xkR:4kboIF+28bkuD3nvW1gcf

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alitextile.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Myname@321

Targets

    • Target

      e7adf7da5581b485f51456a91295676db483d48f4e842f7a69ff8c6d87dc8d55.exe

    • Size

      679KB

    • MD5

      671b1537b7bc2b27d975a316d050f2ea

    • SHA1

      a47a0d0c3cc51375c555a4d188171fd06bc54118

    • SHA256

      e7adf7da5581b485f51456a91295676db483d48f4e842f7a69ff8c6d87dc8d55

    • SHA512

      6f34ebbf2152e307008437a55dfd4251d96c8f0928b4facf49a664dbdb3ff9d0cce16af5e6245a5135b298b1b5fd858f02b5835c65ddf5fde45149eb2441dec2

    • SSDEEP

      12288:LGNkMIfN8Zrd1Opw9abF+28bkbzSDF7Pd4g+4nOv27C9fHgc0xkR:4kboIF+28bkuD3nvW1gcf

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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 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