Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 13:11

General

  • Target
    rPAGO_8732.exe
  • Size 836KB
  • Sample240521-qext5sfb2x
  • SHA256 86f2279dcd0fefd01392dda46e202ae5e1528322b34ddf7029ef3efd58b5b45e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    Jchalen82

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rPAGO_8732.exe
    "C:\Users\Admin\AppData\Local\Temp\rPAGO_8732.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4664
    • 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\rPAGO_8732.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2428
    • C:\Users\Admin\AppData\Local\Temp\rPAGO_8732.exe
      "C:\Users\Admin\AppData\Local\Temp\rPAGO_8732.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4516

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        rPAGO_8732.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rPAGO_8732.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        __PSScriptPolicyTest_bs4aiqjk.j5x.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bs4aiqjk.j5x.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/2428-48-0x00000000068A0000-0x00000000068BE000-memory.dmp

        memory/2428-51-0x00000000075D0000-0x00000000075EA000-memory.dmp

        memory/2428-61-0x0000000074950000-0x0000000075100000-memory.dmp

        memory/2428-58-0x00000000078F0000-0x00000000078F8000-memory.dmp

        memory/2428-57-0x0000000007910000-0x000000000792A000-memory.dmp

        memory/2428-56-0x0000000007810000-0x0000000007824000-memory.dmp

        memory/2428-55-0x0000000007800000-0x000000000780E000-memory.dmp

        memory/2428-54-0x00000000077D0000-0x00000000077E1000-memory.dmp

        memory/2428-53-0x0000000007850000-0x00000000078E6000-memory.dmp

        memory/2428-52-0x0000000007640000-0x000000000764A000-memory.dmp

        memory/2428-32-0x0000000074950000-0x0000000075100000-memory.dmp

        memory/2428-50-0x0000000007C10000-0x000000000828A000-memory.dmp

        memory/2428-49-0x00000000074B0000-0x0000000007553000-memory.dmp

        memory/2428-17-0x0000000004CE0000-0x0000000004D16000-memory.dmp

        memory/2428-38-0x00000000705B0000-0x00000000705FC000-memory.dmp

        memory/2428-18-0x0000000074950000-0x0000000075100000-memory.dmp

        memory/2428-19-0x00000000053E0000-0x0000000005A08000-memory.dmp

        memory/2428-20-0x0000000074950000-0x0000000075100000-memory.dmp

        memory/2428-22-0x0000000005BB0000-0x0000000005C16000-memory.dmp

        memory/2428-21-0x0000000005B10000-0x0000000005B32000-memory.dmp

        memory/2428-37-0x0000000006840000-0x0000000006872000-memory.dmp

        memory/2428-33-0x0000000005C90000-0x0000000005FE4000-memory.dmp

        memory/2428-35-0x00000000067F0000-0x000000000683C000-memory.dmp

        memory/2428-34-0x0000000006280000-0x000000000629E000-memory.dmp

        memory/4516-13-0x0000000074950000-0x0000000075100000-memory.dmp

        memory/4516-62-0x0000000074950000-0x0000000075100000-memory.dmp

        memory/4516-36-0x00000000064B0000-0x0000000006500000-memory.dmp

        memory/4516-16-0x0000000074950000-0x0000000075100000-memory.dmp

        memory/4516-10-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/4516-15-0x0000000005570000-0x00000000055D6000-memory.dmp

        memory/4664-0-0x000000007495E000-0x000000007495F000-memory.dmp

        memory/4664-1-0x00000000008A0000-0x0000000000974000-memory.dmp

        memory/4664-14-0x0000000074950000-0x0000000075100000-memory.dmp

        memory/4664-2-0x0000000005A00000-0x0000000005FA4000-memory.dmp

        memory/4664-9-0x0000000006540000-0x00000000065C2000-memory.dmp

        memory/4664-8-0x0000000005790000-0x00000000057A0000-memory.dmp

        memory/4664-7-0x00000000060B0000-0x00000000060CA000-memory.dmp

        memory/4664-6-0x0000000074950000-0x0000000075100000-memory.dmp

        memory/4664-5-0x00000000055F0000-0x000000000568C000-memory.dmp

        memory/4664-4-0x0000000005410000-0x000000000541A000-memory.dmp

        memory/4664-3-0x0000000005350000-0x00000000053E2000-memory.dmp