Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/05/2024, 08:13

General

  • Target
    PO-24008.exe
  • Size 660KB
  • Sample240514-j4earsgf96
  • SHA256 05d703bba8967b2bbf708b1c91e364b99e6b2b8f18f59fa07c47d4da47e0272a
  • 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.

  • 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 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\PO-24008.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-24008.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2580
    • 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\PO-24008.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2488
    • C:\Users\Admin\AppData\Local\Temp\PO-24008.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-24008.exe"
      2⤵
        PID:4976
      • C:\Users\Admin\AppData\Local\Temp\PO-24008.exe
        "C:\Users\Admin\AppData\Local\Temp\PO-24008.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3144

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          PO-24008.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-24008.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • MD5 SHA1 SHA512

          __PSScriptPolicyTest_yz2ssdp1.jbg.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yz2ssdp1.jbg.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/2488-51-0x00000000073B0000-0x00000000073CA000-memory.dmp

          memory/2488-49-0x0000000007280000-0x0000000007323000-memory.dmp

          memory/2488-63-0x0000000074E60000-0x0000000075610000-memory.dmp

          memory/2488-60-0x00000000076D0000-0x00000000076D8000-memory.dmp

          memory/2488-59-0x00000000076F0000-0x000000000770A000-memory.dmp

          memory/2488-58-0x00000000075F0000-0x0000000007604000-memory.dmp

          memory/2488-57-0x00000000075E0000-0x00000000075EE000-memory.dmp

          memory/2488-55-0x00000000075B0000-0x00000000075C1000-memory.dmp

          memory/2488-53-0x0000000007630000-0x00000000076C6000-memory.dmp

          memory/2488-52-0x0000000007420000-0x000000000742A000-memory.dmp

          memory/2488-50-0x00000000079F0000-0x000000000806A000-memory.dmp

          memory/2488-35-0x0000000006070000-0x000000000608E000-memory.dmp

          memory/2488-48-0x0000000006640000-0x000000000665E000-memory.dmp

          memory/2488-16-0x0000000002760000-0x0000000002796000-memory.dmp

          memory/2488-18-0x0000000074E60000-0x0000000075610000-memory.dmp

          memory/2488-37-0x0000000007040000-0x0000000007072000-memory.dmp

          memory/2488-20-0x0000000074E60000-0x0000000075610000-memory.dmp

          memory/2488-38-0x0000000070AC0000-0x0000000070B0C000-memory.dmp

          memory/2488-21-0x0000000004FC0000-0x0000000004FE2000-memory.dmp

          memory/2488-22-0x0000000005870000-0x00000000058D6000-memory.dmp

          memory/2488-36-0x0000000006500000-0x000000000654C000-memory.dmp

          memory/2488-23-0x0000000074E60000-0x0000000075610000-memory.dmp

          memory/2488-19-0x0000000005240000-0x0000000005868000-memory.dmp

          memory/2488-32-0x0000000005AC0000-0x0000000005E14000-memory.dmp

          memory/2580-1-0x0000000000D20000-0x0000000000DCA000-memory.dmp

          memory/2580-10-0x000000000ABF0000-0x000000000AC8C000-memory.dmp

          memory/2580-4-0x00000000057D0000-0x00000000057DA000-memory.dmp

          memory/2580-5-0x0000000074E60000-0x0000000075610000-memory.dmp

          memory/2580-6-0x0000000006BB0000-0x0000000006BD0000-memory.dmp

          memory/2580-14-0x0000000074E60000-0x0000000075610000-memory.dmp

          memory/2580-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

          memory/2580-0-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

          memory/2580-7-0x0000000006C00000-0x0000000006C10000-memory.dmp

          memory/2580-3-0x0000000005830000-0x00000000058C2000-memory.dmp

          memory/2580-8-0x0000000006C10000-0x0000000006C26000-memory.dmp

          memory/2580-9-0x00000000083A0000-0x0000000008412000-memory.dmp

          memory/3144-56-0x00000000067D0000-0x0000000006992000-memory.dmp

          memory/3144-54-0x00000000065B0000-0x0000000006600000-memory.dmp

          memory/3144-11-0x0000000000400000-0x0000000000430000-memory.dmp

          memory/3144-15-0x0000000074E60000-0x0000000075610000-memory.dmp

          memory/3144-17-0x0000000005250000-0x00000000052B6000-memory.dmp

          memory/3144-24-0x0000000074E60000-0x0000000075610000-memory.dmp

          memory/3144-64-0x0000000074E60000-0x0000000075610000-memory.dmp