Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/04/2026, 03:46

General

  • Target
    2026-04-19_c28cf40f5046dc9255fe2012c477cd25_elex_glassworm_wannacry.exe
  • Size 2.8MB
  • Sample260419-ebnxaahs91
  • SHA256 fcdb879c361f589a2b3b615055b076d3ae0c67c578c88839ddccaf0cdf12fe91
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • qqpass

C2
  • http://www.zigui.org/article.php?id=103601

Attributes
  • 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 2 IoCs
  • Drops file in Windows directory 1 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.

  • 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\2026-04-19_c28cf40f5046dc9255fe2012c477cd25_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-19_c28cf40f5046dc9255fe2012c477cd25_elex_glassworm_wannacry.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:4276
    • 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:3988

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        rundll32.exe

        • Path C:\Windows\System\rundll32.exe
        • Size 2.8MB
        • SHA256 4db2da05e6e2cb304eca3b0501edb9bc9fe6307126fbb67dee20024265a06ea4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3988-7-0x000000000040B000-0x000000000040C000-memory.dmp

        memory/3988-11-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/3988-12-0x0000000002260000-0x00000000022E7000-memory.dmp

        memory/4276-0-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4276-8-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4276-10-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4276-9-0x0000000003E90000-0x0000000003F17000-memory.dmp