Analysis

  • max time kernel
    167s
  • max time network
    192s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    10/05/2022, 16:10

General

  • Target
    KyELTvlArhdl7Nr.exe
  • Size 670KB
  • Sample220510-tmceysbca4
  • SHA256 21d9ef381a8b23032d6371bc8969b0565f13eb8e4b74dc38775bca233b79e8aa
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.ccphotos.com.au

  • Port

    587

  • Password

    aceinthehole344

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe
    "C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe
      "C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe"
      2⤵
        PID:1852
      • C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe
        "C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1996

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/896-54-0x00000000010B0000-0x000000000115E000-memory.dmp

          memory/896-55-0x00000000758D1000-0x00000000758D3000-memory.dmp

          memory/896-56-0x0000000000A40000-0x0000000000A4E000-memory.dmp

          memory/896-57-0x0000000004DD0000-0x0000000004E56000-memory.dmp

          memory/896-58-0x0000000000B50000-0x0000000000B56000-memory.dmp

          memory/896-59-0x0000000000C60000-0x0000000000CA4000-memory.dmp

          memory/1996-60-0x0000000000400000-0x000000000043A000-memory.dmp

          memory/1996-61-0x0000000000400000-0x000000000043A000-memory.dmp

          memory/1996-63-0x0000000000400000-0x000000000043A000-memory.dmp

          memory/1996-64-0x0000000000400000-0x000000000043A000-memory.dmp

          memory/1996-65-0x0000000000400000-0x000000000043A000-memory.dmp

          memory/1996-70-0x0000000000400000-0x000000000043A000-memory.dmp

          memory/1996-68-0x0000000000400000-0x000000000043A000-memory.dmp