Analysis

  • max time kernel
    149s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    21/04/2026, 04:06

General

  • Target
    2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe
  • Size 85KB
  • Sample260421-eph8ysbv2y
  • SHA256 68c149e4f03311eaabb1ea5f7d18b4a325ee963e153bddc69306c2250eb2e56a
  • 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\2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-21_8f4d9cebcd718566e0def94b1f7fba5e_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:1180
    • 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:3140
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 1396
        3⤵
        • Program crash
        PID:3184
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3140 -ip 3140
    1⤵
      PID:3748

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          notepad¢¬.exe

          • Path C:\Windows\SysWOW64\notepad¢¬.exe
          • Size 86KB
          • SHA256 bf53c7e493eb1bba071ba4dc4598808da4717f9d0e33f07726e6cbe992930230
          • MD5 SHA1 SHA512 SSDEEP TLSH

          rundll32.exe

          • Path C:\Windows\System\rundll32.exe
          • Size 95KB
          • SHA256 317c897bf09290e0653246dde1a2eb386a1ce8594cd207b50513d6ee60147b1c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1180-0-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/1180-16-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/1180-18-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/1180-17-0x0000000000AE0000-0x0000000000C2D000-memory.dmp

          memory/3140-13-0x000000000040B000-0x000000000040C000-memory.dmp

          memory/3140-15-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/3140-14-0x0000000002060000-0x00000000021AD000-memory.dmp