General

  • Target

    hesaphareketi000001,pdf.exe

  • Size

    2.9MB

  • Sample

    200710-fm2dddx1w6

  • MD5

    62365690663bb84166207a981d124d64

  • SHA1

    35a0d45093ab7d5e6acc22b0f1b1ee0eaf38da26

  • SHA256

    d90041e6b2a7deca5936829d8a2f6b9c190abcab6c81c3a99b22d41ed6fffbb0

  • SHA512

    2b35cbbe45a125f373d4f57b1184e12ab88c4cd6c76d51bdc4f928a89bdf324eb4cd036fe9df22c69858bd83d9bfd07b012630ea7ebccbb877373f3c235b1135

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\E2C1E8F1FA\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/10/2020 5:52:40 AM MassLogger Started: 7/10/2020 5:52:37 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> Disabled <|| Bot Killer ||> Disabled <|| Window Searcher ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> Disabled

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cappac.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    aTlcLVD6nhEE

Targets

    • Target

      hesaphareketi000001,pdf.exe

    • Size

      2.9MB

    • MD5

      62365690663bb84166207a981d124d64

    • SHA1

      35a0d45093ab7d5e6acc22b0f1b1ee0eaf38da26

    • SHA256

      d90041e6b2a7deca5936829d8a2f6b9c190abcab6c81c3a99b22d41ed6fffbb0

    • SHA512

      2b35cbbe45a125f373d4f57b1184e12ab88c4cd6c76d51bdc4f928a89bdf324eb4cd036fe9df22c69858bd83d9bfd07b012630ea7ebccbb877373f3c235b1135

    • AgentTesla

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

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger Main Payload

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • AgentTesla Payload

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • 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