Analysis

  • max time kernel
    136s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 11:38

General

  • Target
    2024-06-03_86b91372dc46212aa7f5310339a6f7f3_megazord.exe
  • Size 3.4MB
  • Sample240603-nr75jadb5w
  • SHA256 564d2275edd8f622be6717d156c627a346f330549ca2f266985e49a4e5e17204
  • MD5 SHA1 SHA512 SSDEEP

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. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-03_86b91372dc46212aa7f5310339a6f7f3_megazord.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-03_86b91372dc46212aa7f5310339a6f7f3_megazord.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath $env:UserProfile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3304
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4512

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_zyacx23d.oeb.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zyacx23d.oeb.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/3304-18-0x00007FFAE42F0000-0x00007FFAE4DB1000-memory.dmp

        memory/3304-6-0x000001E912020000-0x000001E912042000-memory.dmp

        memory/3304-11-0x00007FFAE42F0000-0x00007FFAE4DB1000-memory.dmp

        memory/3304-12-0x00007FFAE42F0000-0x00007FFAE4DB1000-memory.dmp

        memory/3304-0-0x00007FFAE42F3000-0x00007FFAE42F5000-memory.dmp

        memory/4512-21-0x0000000074E60000-0x0000000075610000-memory.dmp

        memory/4512-15-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

        memory/4512-19-0x0000000005B00000-0x00000000060A4000-memory.dmp

        memory/4512-20-0x00000000056A0000-0x0000000005706000-memory.dmp

        memory/4512-14-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/4512-22-0x0000000006990000-0x0000000006A22000-memory.dmp

        memory/4512-23-0x00000000089E0000-0x0000000008A30000-memory.dmp

        memory/4512-24-0x0000000008AD0000-0x0000000008B6C000-memory.dmp

        memory/4512-25-0x0000000008C80000-0x0000000008C8A000-memory.dmp

        memory/4512-26-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

        memory/4512-27-0x0000000074E60000-0x0000000075610000-memory.dmp