Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2024, 14:25

General

  • Target
    LPO24.0524.exe
  • Size 750KB
  • Sample241111-rraqtazgkm
  • SHA256 c071e52c0f19cbedbad1c026a30b9a2d5f6268c8e9a742c802f322bff7fcf372
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LPO24.0524.exe
    "C:\Users\Admin\AppData\Local\Temp\LPO24.0524.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2936
    • 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\LPO24.0524.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4388
    • C:\Users\Admin\AppData\Local\Temp\LPO24.0524.exe
      "C:\Users\Admin\AppData\Local\Temp\LPO24.0524.exe"
      2⤵
        PID:4788
      • C:\Users\Admin\AppData\Local\Temp\LPO24.0524.exe
        "C:\Users\Admin\AppData\Local\Temp\LPO24.0524.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4560

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          __PSScriptPolicyTest_edsb2z40.ptj.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_edsb2z40.ptj.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/2936-6-0x00000000057F0000-0x000000000588C000-memory.dmp

          memory/2936-2-0x0000000005B50000-0x00000000060F4000-memory.dmp

          memory/2936-3-0x00000000054C0000-0x0000000005552000-memory.dmp

          memory/2936-4-0x00000000054A0000-0x00000000054AA000-memory.dmp

          memory/2936-5-0x00000000751C0000-0x0000000075970000-memory.dmp

          memory/2936-14-0x00000000751C0000-0x0000000075970000-memory.dmp

          memory/2936-7-0x0000000005650000-0x0000000005662000-memory.dmp

          memory/2936-8-0x00000000751CE000-0x00000000751CF000-memory.dmp

          memory/2936-9-0x00000000751C0000-0x0000000075970000-memory.dmp

          memory/2936-10-0x0000000006A50000-0x0000000006AC4000-memory.dmp

          memory/2936-0-0x00000000751CE000-0x00000000751CF000-memory.dmp

          memory/2936-1-0x0000000000A00000-0x0000000000AC0000-memory.dmp

          memory/4388-51-0x0000000007570000-0x0000000007BEA000-memory.dmp

          memory/4388-53-0x0000000006F90000-0x0000000006F9A000-memory.dmp

          memory/4388-62-0x00000000751C0000-0x0000000075970000-memory.dmp

          memory/4388-17-0x0000000004D90000-0x00000000053B8000-memory.dmp

          memory/4388-59-0x0000000007240000-0x0000000007248000-memory.dmp

          memory/4388-18-0x0000000004C30000-0x0000000004C52000-memory.dmp

          memory/4388-20-0x0000000005530000-0x0000000005596000-memory.dmp

          memory/4388-58-0x0000000007260000-0x000000000727A000-memory.dmp

          memory/4388-26-0x00000000751C0000-0x0000000075970000-memory.dmp

          memory/4388-31-0x00000000751C0000-0x0000000075970000-memory.dmp

          memory/4388-32-0x0000000005610000-0x0000000005964000-memory.dmp

          memory/4388-34-0x00000000751C0000-0x0000000075970000-memory.dmp

          memory/4388-33-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

          memory/4388-35-0x0000000005CC0000-0x0000000005D0C000-memory.dmp

          memory/4388-57-0x0000000007160000-0x0000000007174000-memory.dmp

          memory/4388-56-0x0000000007150000-0x000000000715E000-memory.dmp

          memory/4388-38-0x00000000061C0000-0x00000000061F2000-memory.dmp

          memory/4388-39-0x0000000070E40000-0x0000000070E8C000-memory.dmp

          memory/4388-49-0x0000000006200000-0x000000000621E000-memory.dmp

          memory/4388-50-0x0000000006DF0000-0x0000000006E93000-memory.dmp

          memory/4388-55-0x0000000007120000-0x0000000007131000-memory.dmp

          memory/4388-52-0x0000000006F20000-0x0000000006F3A000-memory.dmp

          memory/4388-15-0x0000000002300000-0x0000000002336000-memory.dmp

          memory/4388-54-0x00000000071A0000-0x0000000007236000-memory.dmp

          memory/4560-11-0x0000000000400000-0x0000000000430000-memory.dmp

          memory/4560-37-0x0000000006B60000-0x0000000006D22000-memory.dmp

          memory/4560-36-0x0000000006940000-0x0000000006990000-memory.dmp

          memory/4560-13-0x00000000751C0000-0x0000000075970000-memory.dmp

          memory/4560-19-0x00000000751C0000-0x0000000075970000-memory.dmp

          memory/4560-16-0x0000000005480000-0x00000000054E6000-memory.dmp

          memory/4560-63-0x00000000751C0000-0x0000000075970000-memory.dmp