General

  • Target

    d301798719debd13825774fef34268bdb5635a518358e786cddd8aa9ca51e24d

  • Size

    663KB

  • Sample

    241121-qfhrlswrhq

  • MD5

    40959330624d9fd2b7dd3e3f8e97fa36

  • SHA1

    e4b35aacbce1e92aecfcc89d7347ed7fa5f1cb4d

  • SHA256

    d301798719debd13825774fef34268bdb5635a518358e786cddd8aa9ca51e24d

  • SHA512

    610c257613b6ffc430e4a137fb004ca7c5591dac7cd65aba3b2bc91553b0cb2b3503797ee6cd6ad86f7f2fa575432d66fd41a5014340f0ce12bf33c7b25e65c5

  • SSDEEP

    12288:rCcBnxWWvmPv4QuqHL/YpmGl6ZqR7VxyHF8UdgyoVADKwwNHeLDMfm22:xxWbDuqHLwpNv7VxyHzdgzAe9NSG2

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    CCu5Z?WuH+bS4hsz

Targets

    • Target

      Teklif.exe

    • Size

      748KB

    • MD5

      db4b551903a1f1bcafb5a352765d6d5d

    • SHA1

      9420762fe9c678d890db7ca615a916a581a0b045

    • SHA256

      744ad803081f6ad2d85f3c667c537c6bc3a47bf95c07f496315171790a1b05a2

    • SHA512

      a68972f3cda539e56f4868cba879b849f1bec731fe465a6eb0cf26e63a911717ea2a839da0cb164603da4bd64bf03aab9006812082250bf4c8061e1bd2adb7d8

    • SSDEEP

      12288:HVU3wtfRzxWW94FJEGDrDZL/YoheVXfanjRRVx8HFIUjgyo1ADKwwNHeLdyWYlt:HVUMpzxW84rEGDrtLwoEVMRVx8H7jgvn

    • 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