Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 03:36

General

  • Target
    d526f3549f9b31201ed6a374bf316dc44de6c226303eb5cf774a6a194d8666dd.exe
  • Size 79KB
  • Sample261002-d6d5ws1fqe
  • SHA256 d526f3549f9b31201ed6a374bf316dc44de6c226303eb5cf774a6a194d8666dd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • qqpass

C2
  • http://www.zigui.org/article.php?id=103822

Attributes
  • url

    http://www.mxm9191.com/myrunner_up.exe

  • user_agent

    Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)

Signatures

  • Family: QQpass

    QQpass is a trojan written in C++..

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d526f3549f9b31201ed6a374bf316dc44de6c226303eb5cf774a6a194d8666dd.exe
    "C:\Users\Admin\AppData\Local\Temp\d526f3549f9b31201ed6a374bf316dc44de6c226303eb5cf774a6a194d8666dd.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1560
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:3584

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        notepad¢¬.exe

        • Path C:\Windows\SysWOW64\notepad¢¬.exe
        • Size 79KB
        • SHA256 5dd2d8e46e77497ddd1df1f2ae64b4bb0abb1c215f485957f8c1156660b6a002
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rundll32.exe

        • Path C:\Windows\System\rundll32.exe
        • Size 73KB
        • SHA256 13cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1560-0-0x0000000000400000-0x0000000000415A00-memory.dmp

        memory/1560-18-0x0000000000400000-0x0000000000415A00-memory.dmp

        memory/3584-14-0x000000000040B000-0x000000000040C000-memory.dmp

        memory/3584-19-0x0000000000400000-0x0000000000415A00-memory.dmp