Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/08/2026, 14:32

General

  • Target
    Q88 with vessel's particulars.exe
  • Size 1009KB
  • Sample260805-rwf4dsbf48
  • SHA256 151b01ecbb7aca8b8a3e82f2e74c4f496e95046b89601a2482e6dcb3d570d78c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • .NET Reactor proctector 64 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Q88 with vessel's particulars.exe
    "C:\Users\Admin\AppData\Local\Temp\Q88 with vessel's particulars.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 28 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.exe"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:452
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 28
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:5640
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.exe"
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:1324
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 34 > nul && copy "C:\Users\Admin\AppData\Local\Temp\Q88 with vessel's particulars.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.exe" && ping 127.0.0.1 -n 34 > nul && "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.exe"
      2⤵
      • Creates a file in the Startup directory
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:5928
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 34
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1836
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 34
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2840
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4804
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
          4⤵
            PID:1376
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2772

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          pdf.exe

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.exe
          • Size 1009KB
          • SHA256 151b01ecbb7aca8b8a3e82f2e74c4f496e95046b89601a2482e6dcb3d570d78c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/628-0-0x0000000000DF0000-0x0000000000EF2000-memory.dmp

          memory/628-1-0x0000000005EA0000-0x0000000006444000-memory.dmp

          memory/628-2-0x00000000058F0000-0x0000000005982000-memory.dmp

          memory/628-3-0x0000000005990000-0x0000000005A2C000-memory.dmp

          memory/628-4-0x0000000005C20000-0x0000000005C30000-memory.dmp

          memory/628-5-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-17-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-73-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-133-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-131-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-129-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-127-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-125-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-123-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-121-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-119-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-117-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-115-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-113-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-111-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-109-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-107-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-105-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-103-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-101-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-99-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-97-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-95-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-93-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-91-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-89-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-87-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-85-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-83-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-81-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-79-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-75-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-71-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-69-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-67-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-65-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-63-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-61-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-59-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-57-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-55-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-53-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-51-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-49-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-47-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-45-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-43-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-41-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-37-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-35-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-33-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-31-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-29-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-27-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-25-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-23-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-21-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-20-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-77-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-15-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-13-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-11-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-39-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-9-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-7-0x0000000005A30000-0x0000000005A98000-memory.dmp

          memory/628-550-0x0000000005BC0000-0x0000000005BC1000-memory.dmp

          memory/628-551-0x0000000005C60000-0x0000000005C6A000-memory.dmp

          memory/628-552-0x0000000006670000-0x0000000006698000-memory.dmp

          memory/628-553-0x0000000005C20000-0x0000000005C30000-memory.dmp

          memory/628-554-0x0000000005C20000-0x0000000005C30000-memory.dmp

          memory/628-555-0x0000000005C20000-0x0000000005C30000-memory.dmp

          memory/4804-562-0x00000000055C0000-0x00000000055D0000-memory.dmp

          memory/4804-1107-0x00000000055C0000-0x00000000055D0000-memory.dmp

          memory/4804-1108-0x0000000006DF0000-0x0000000006E18000-memory.dmp