Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 01:42

General

  • Target

    859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe

  • Size

    585KB

  • MD5

    dd3fba3f07cccaca8c79bcc64a2990d6

  • SHA1

    561ee5c2a12d3336cf9c997bc50fe75ef097cbc0

  • SHA256

    859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2

  • SHA512

    288a24d0f99e19bce4b63248a38456df39b82bb113bfa9359a108c6f90554394237480c452f3f80c22aa9470f81a226cad4173faf8fb1e0b8c1d9740fbd51b67

  • SSDEEP

    12288:IlYifTjl00g/LqWMw0tdjpBfXZ7z2cJlh9j01U9w7wAtxYRWoHn3+:HiN9gDH0JpNX1z2cJlCU9wwu

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe
    "C:\Users\Admin\AppData\Local\Temp\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2040
    • C:\Users\Admin\AppData\Local\Temp\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe
      "C:\Users\Admin\AppData\Local\Temp\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe"
      2⤵
        PID:2644
      • C:\Users\Admin\AppData\Local\Temp\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe
        "C:\Users\Admin\AppData\Local\Temp\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe"
        2⤵
          PID:2648
        • C:\Users\Admin\AppData\Local\Temp\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe
          "C:\Users\Admin\AppData\Local\Temp\859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:2668

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Command and Scripting Interpreter

      1
      T1059

      PowerShell

      1
      T1059.001

      Credential Access

      Unsecured Credentials

      4
      T1552

      Credentials In Files

      3
      T1552.001

      Credentials in Registry

      1
      T1552.002

      Discovery

      System Information Discovery

      1
      T1082

      Collection

      Data from Local System

      4
      T1005

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2196-19-0x0000000074900000-0x0000000074FEE000-memory.dmp
        Filesize

        6.9MB

      • memory/2196-1-0x0000000000A70000-0x0000000000B08000-memory.dmp
        Filesize

        608KB

      • memory/2196-2-0x0000000074900000-0x0000000074FEE000-memory.dmp
        Filesize

        6.9MB

      • memory/2196-3-0x0000000000470000-0x000000000048A000-memory.dmp
        Filesize

        104KB

      • memory/2196-4-0x0000000000210000-0x0000000000220000-memory.dmp
        Filesize

        64KB

      • memory/2196-5-0x0000000004ED0000-0x0000000004F42000-memory.dmp
        Filesize

        456KB

      • memory/2196-0-0x000000007490E000-0x000000007490F000-memory.dmp
        Filesize

        4KB

      • memory/2668-6-0x0000000000400000-0x0000000000430000-memory.dmp
        Filesize

        192KB

      • memory/2668-15-0x0000000000400000-0x0000000000430000-memory.dmp
        Filesize

        192KB

      • memory/2668-13-0x0000000000400000-0x0000000000430000-memory.dmp
        Filesize

        192KB

      • memory/2668-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
        Filesize

        4KB

      • memory/2668-10-0x0000000000400000-0x0000000000430000-memory.dmp
        Filesize

        192KB

      • memory/2668-9-0x0000000000400000-0x0000000000430000-memory.dmp
        Filesize

        192KB

      • memory/2668-8-0x0000000000400000-0x0000000000430000-memory.dmp
        Filesize

        192KB

      • memory/2668-18-0x0000000000400000-0x0000000000430000-memory.dmp
        Filesize

        192KB