Analysis

  • max time kernel
    43s
  • max time network
    57s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 17:09

General

  • Target
    Pago_655479993737373738.exe
  • Size 714KB
  • Sample240611-vn5cssthpf
  • SHA256 72e582aa7386568e0d8297cc53c41d7e2d8516895a9baafdac66626e9a9a968f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

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

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Pago_655479993737373738.exe
    "C:\Users\Admin\AppData\Local\Temp\Pago_655479993737373738.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1860
    • 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\Pago_655479993737373738.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4272
    • C:\Users\Admin\AppData\Local\Temp\Pago_655479993737373738.exe
      "C:\Users\Admin\AppData\Local\Temp\Pago_655479993737373738.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4132

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_4kls4roz.bpy.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4kls4roz.bpy.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/1860-8-0x0000000009590000-0x0000000009614000-memory.dmp

        memory/1860-13-0x0000000074960000-0x0000000075110000-memory.dmp

        memory/1860-3-0x0000000005410000-0x00000000054A2000-memory.dmp

        memory/1860-4-0x00000000053D0000-0x00000000053DA000-memory.dmp

        memory/1860-5-0x0000000074960000-0x0000000075110000-memory.dmp

        memory/1860-6-0x0000000006D40000-0x0000000006D62000-memory.dmp

        memory/1860-7-0x0000000002D70000-0x0000000002D80000-memory.dmp

        memory/1860-0-0x000000007496E000-0x000000007496F000-memory.dmp

        memory/1860-2-0x0000000005AD0000-0x0000000006074000-memory.dmp

        memory/1860-1-0x0000000000970000-0x0000000000A26000-memory.dmp

        memory/1860-9-0x000000000C6B0000-0x000000000C74C000-memory.dmp

        memory/4132-10-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/4132-61-0x0000000074960000-0x0000000075110000-memory.dmp

        memory/4132-15-0x0000000074960000-0x0000000075110000-memory.dmp

        memory/4132-16-0x00000000053A0000-0x0000000005406000-memory.dmp

        memory/4132-53-0x0000000006110000-0x0000000006160000-memory.dmp

        memory/4132-12-0x0000000074960000-0x0000000075110000-memory.dmp

        memory/4272-21-0x00000000054E0000-0x0000000005502000-memory.dmp

        memory/4272-47-0x0000000007460000-0x0000000007503000-memory.dmp

        memory/4272-18-0x0000000005540000-0x0000000005B68000-memory.dmp

        memory/4272-22-0x0000000005DE0000-0x0000000005E46000-memory.dmp

        memory/4272-19-0x0000000074960000-0x0000000075110000-memory.dmp

        memory/4272-32-0x0000000005EC0000-0x0000000006214000-memory.dmp

        memory/4272-33-0x0000000006470000-0x000000000648E000-memory.dmp

        memory/4272-34-0x00000000064B0000-0x00000000064FC000-memory.dmp

        memory/4272-35-0x0000000006A40000-0x0000000006A72000-memory.dmp

        memory/4272-36-0x00000000705C0000-0x000000007060C000-memory.dmp

        memory/4272-46-0x0000000007440000-0x000000000745E000-memory.dmp

        memory/4272-20-0x0000000074960000-0x0000000075110000-memory.dmp

        memory/4272-48-0x0000000007DE0000-0x000000000845A000-memory.dmp

        memory/4272-49-0x00000000077A0000-0x00000000077BA000-memory.dmp

        memory/4272-50-0x0000000007810000-0x000000000781A000-memory.dmp

        memory/4272-51-0x0000000007A20000-0x0000000007AB6000-memory.dmp

        memory/4272-52-0x00000000079A0000-0x00000000079B1000-memory.dmp

        memory/4272-17-0x0000000074960000-0x0000000075110000-memory.dmp

        memory/4272-54-0x00000000079D0000-0x00000000079DE000-memory.dmp

        memory/4272-55-0x00000000079E0000-0x00000000079F4000-memory.dmp

        memory/4272-56-0x0000000007AE0000-0x0000000007AFA000-memory.dmp

        memory/4272-57-0x0000000007AC0000-0x0000000007AC8000-memory.dmp

        memory/4272-60-0x0000000074960000-0x0000000075110000-memory.dmp

        memory/4272-14-0x0000000002B10000-0x0000000002B46000-memory.dmp