Analysis

  • max time kernel
    149s
  • max time network
    117s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/04/2026, 08:41

General

  • Target
    2026-04-23_509459bcdfd1ebf6270bac71d51ed761_elex_glassworm_wannacry.exe
  • Size 91KB
  • Sample260423-kly3wsft2v
  • SHA256 5b36b5a80bf78eb22c9350cc7e8de6e8f8545e1a58949e69b1c2fb28b33dd6af
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • qqpass

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

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 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 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 19 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-23_509459bcdfd1ebf6270bac71d51ed761_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-23_509459bcdfd1ebf6270bac71d51ed761_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:576
    • 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 use of SetWindowsHookEx
      PID:1360
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 1388
        3⤵
        • Program crash
        PID:1988
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1360 -ip 1360
    1⤵
      PID:3828

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          notepad¢¬.exe

          • Path C:\Windows\SysWOW64\notepad¢¬.exe
          • Size 87KB
          • SHA256 043c15eef33c8c57a9c9fb0c27e57577cb5d4d79b1996bffddba0cc9f10497c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          rundll32.exe

          • Path C:\Windows\System\rundll32.exe
          • Size 87KB
          • SHA256 b44c48ace72ebaf82ef2eca793baed7c6a3314e7107a0c8115b734a2b595a369
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/576-0-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/576-16-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/576-17-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/1360-13-0x000000000040B000-0x000000000040C000-memory.dmp

          memory/1360-14-0x0000000002690000-0x0000000002712000-memory.dmp

          memory/1360-15-0x0000000000400000-0x0000000000415000-memory.dmp