Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    15/04/2026, 14:01

General

  • Target
    2026-04-15_0e5ff07c24db043371cc0ad1a4e396d3_elex_glassworm_wannacry.exe
  • Size 90KB
  • Sample260415-rbvfaaaz61
  • SHA256 3df4810ef0c69469304d7d6b8048a1582d06e0fb3d56d540791fa30539e1f62f
  • 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\2026-04-15_0e5ff07c24db043371cc0ad1a4e396d3_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-15_0e5ff07c24db043371cc0ad1a4e396d3_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:1368
    • 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:4564
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 524
        3⤵
        • Program crash
        PID:5788
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4564 -ip 4564
    1⤵
      PID:5188

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          notepad¢¬.exe

          • Path C:\Windows\SysWOW64\notepad¢¬.exe
          • Size 88KB
          • SHA256 7973df60cccd22bf66875053a2bac99189907dc716c77b5d4791223d7797bdd4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          rundll32.exe

          • Path C:\Windows\System\rundll32.exe
          • Size 87KB
          • SHA256 0684a44f9c630d4164b535c5a3653c18b84f088c540e191ba866c55bc12ba5b6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1368-0-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/1368-16-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/1368-18-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/1368-17-0x0000000000B20000-0x0000000000BFF000-memory.dmp

          memory/4564-13-0x000000000040B000-0x000000000040C000-memory.dmp

          memory/4564-14-0x0000000000780000-0x000000000085F000-memory.dmp

          memory/4564-15-0x0000000000400000-0x0000000000415000-memory.dmp