Overview

overview

10

Static

static

10

f40bd62c91...ce.exe

windows10-2004-x64

10

f40bd62c91...ce.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/09/2026, 05:14

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General

  • Target
    f40bd62c91ab8c1ac017a3b082c3e2aaccf455792e7f33f689c44d87f6e7f6ce.exe
  • Size 84KB
  • Sample260907-fxefeacr61
  • SHA256 f40bd62c91ab8c1ac017a3b082c3e2aaccf455792e7f33f689c44d87f6e7f6ce
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoveryqqpasspersistencetrojan

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++..

    trojanqqpass
  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
    persistence
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • 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.

    discovery
  • 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\f40bd62c91ab8c1ac017a3b082c3e2aaccf455792e7f33f689c44d87f6e7f6ce.exe
    "C:\Users\Admin\AppData\Local\Temp\f40bd62c91ab8c1ac017a3b082c3e2aaccf455792e7f33f689c44d87f6e7f6ce.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:5656
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:4756

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        notepad¢¬.exe
        • Path C:\Windows\SysWOW64\notepad¢¬.exe
        • Size 80KB
        • SHA256 d1200d4830d28330af6fabb34e444ee7402abe9928d4951ba4b241032e575957
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        rundll32.exe
        • Path C:\Windows\System\rundll32.exe
        • Size 73KB
        • SHA256 42ef2bbc8db7e1dc93324562a38786263799e63bd8c5c8456900b090f16d0b4f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4756-14-0x000000000040B000-0x000000000040C000-memory.dmp
        Download

        memory/4756-19-0x0000000000400000-0x0000000000415A00-memory.dmp
        Download

        memory/5656-0-0x0000000000400000-0x0000000000415A00-memory.dmp
        Download

        memory/5656-18-0x0000000000400000-0x0000000000415A00-memory.dmp
        Download