Analysis

  • max time kernel
    86s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    08/07/2020, 12:51

General

  • Target

    Akbank Hesap Özetiniz.exe

  • Size

    850KB

  • MD5

    960b0304ac2537192e73521cc798876f

  • SHA1

    b9f8ffe26efd5c7b3cbc55027dc099f3573690b2

  • SHA256

    7c19cbbbb385a448d0033fe89cf139fff95ea9760ac2f0e9fa9acac60d180b81

  • SHA512

    fea2058080344068600acc5e0af3ee206f4bbc6b1d2a63e0714df522a62fbc62ab69dcc381ecde7b14d9cca531a05953d8e20b132a3a0031923a6cb563844b5d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ukingzbaba

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Akbank Hesap Özetiniz.exe
    "C:\Users\Admin\AppData\Local\Temp\Akbank Hesap Özetiniz.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Users\Admin\AppData\Local\Temp\Akbank Hesap Özetiniz.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:740

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/740-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/740-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/740-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB