Analysis

  • max time kernel
    150s
  • max time network
    98s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/02/2026, 09:05

General

  • Target
    Quotation Request.exe
  • Size 1.7MB
  • Sample260202-k2he3ses2a
  • SHA256 b5c87ae305492fcb39c332e34bb86cf96e0906d89eb7bedf552b740a877ca97d
  • 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.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation Request.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation Request.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 39 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "PDF" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\PDF.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3360
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 39
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4600
      • 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\PDF.exe"
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:3336
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 45 > nul && copy "C:\Users\Admin\AppData\Local\Temp\Quotation Request.exe" "C:\Users\Admin\AppData\Roaming\PDF.exe" && ping 127.0.0.1 -n 45 > nul && "C:\Users\Admin\AppData\Roaming\PDF.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1500
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 45
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2288
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 45
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1640
      • C:\Users\Admin\AppData\Roaming\PDF.exe
        "C:\Users\Admin\AppData\Roaming\PDF.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2404

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        PDF.exe

        • Path C:\Users\Admin\AppData\Roaming\PDF.exe
        • Size 1.7MB
        • SHA256 b5c87ae305492fcb39c332e34bb86cf96e0906d89eb7bedf552b740a877ca97d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1564-0-0x0000000000BC0000-0x0000000000D7E000-memory.dmp

        memory/1564-1-0x0000000005E80000-0x0000000006426000-memory.dmp

        memory/1564-2-0x0000000005820000-0x00000000058B2000-memory.dmp

        memory/1564-3-0x0000000005970000-0x0000000005A0C000-memory.dmp

        memory/1564-4-0x0000000005950000-0x0000000005960000-memory.dmp

        memory/1564-5-0x0000000005A10000-0x0000000005A60000-memory.dmp

        memory/1564-21-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-25-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-115-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-131-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-129-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-127-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-125-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-123-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-121-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-119-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-117-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-111-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-107-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-105-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-103-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-99-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-97-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-95-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-93-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-91-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-89-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-87-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-85-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-83-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-79-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-77-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-75-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-73-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-71-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-69-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-65-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-63-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-61-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-59-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-57-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-53-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-49-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-47-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-45-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-41-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-39-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-37-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-35-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-33-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-31-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-29-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-27-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-23-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-19-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-17-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-15-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-113-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-109-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-101-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-9-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-81-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-67-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-55-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-51-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-43-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-7-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-6-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-13-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-11-0x0000000005A10000-0x0000000005A79000-memory.dmp

        memory/1564-494-0x00000000057F0000-0x00000000057F1000-memory.dmp

        memory/1564-495-0x0000000005CB0000-0x0000000005CBA000-memory.dmp

        memory/1564-496-0x00000000065B0000-0x00000000065C6000-memory.dmp

        memory/1564-497-0x0000000005950000-0x0000000005960000-memory.dmp

        memory/1564-498-0x0000000005950000-0x0000000005960000-memory.dmp

        memory/1564-499-0x0000000005950000-0x0000000005960000-memory.dmp

        memory/2404-506-0x0000000004B40000-0x0000000004B50000-memory.dmp