Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    16-07-2020 13:26

General

  • Target

    bensway.exe

  • Size

    514KB

  • MD5

    5d9719175e0d6962872c124a994e5ee1

  • SHA1

    98c0f01798e360dfbeb1b79f489ab504202911f6

  • SHA256

    aa7cf195c540803383a53aef054355871842e7ff152e96e4a838d07d3bbc6de1

  • SHA512

    d2d54a238d3e97979740dfd522434b234d8730f7c1688a6b47c207cee04de14fabe25772ea2ae17e4bc5b24d8c9ae98e6832740a40455b5ee4b7947bfd6e3eaa

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ariahotel.md
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ariahotel9997

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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\bensway.exe
    "C:\Users\Admin\AppData\Local\Temp\bensway.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Users\Admin\AppData\Local\Temp\bensway.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:736

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/736-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/736-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/736-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB