Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 05:49

General

  • Target
    2026-06-30_2f3661e0a94968a852a7da396c06277a_elex_wannacry.exe
  • Size 98KB
  • Sample260701-gjbyssfs4m
  • SHA256 ce0246e6a3cfe8a724c2abd5f9cc1ee2fa93014a9390dbb60e73f1f6813e8bb0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Stormser, StormDDoS, StormAttack, Stormer

    Stormser aka StormDDoS, StormAttack, and Stormer is a Windows worm written in C++.

  • Detects Stormser aka Storm DDoS and StormAttack 8 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-30_2f3661e0a94968a852a7da396c06277a_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-30_2f3661e0a94968a852a7da396c06277a_elex_wannacry.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3560
    • C:\Windows\{1C931813-A497-462a-AD7C-7559E8307FD5}.exe
      C:\Windows\{1C931813-A497-462a-AD7C-7559E8307FD5}.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3800
      • C:\Windows\{7A9AF9CC-870B-494b-99F8-5083CDA77E31}.exe
        C:\Windows\{7A9AF9CC-870B-494b-99F8-5083CDA77E31}.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2192
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{1C931~1.EXE > nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3620
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2308
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3092
      • C:\Windows\{7A9AF9CC-870B-494b-99F8-5083CDA77E31}.exe
        "C:\Windows\{7A9AF9CC-870B-494b-99F8-5083CDA77E31}.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1524

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {1C931813-A497-462a-AD7C-7559E8307FD5}.exe

        • Path C:\Windows\{1C931813-A497-462a-AD7C-7559E8307FD5}.exe
        • Size 98KB
        • SHA256 248a700ddabf896f96d4e7ad658886449eb0d966605bced5315efc38df7bdc07
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7A9AF9CC-870B-494b-99F8-5083CDA77E31}.exe

        • Path C:\Windows\{7A9AF9CC-870B-494b-99F8-5083CDA77E31}.exe
        • Size 98KB
        • SHA256 6fd4617937f5e42a35e83e0cf174d24765ea78b575cd7a9e75a3d15dffc9b5ac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2192-14-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/3560-0-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/3560-1-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/3560-7-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/3800-6-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/3800-12-0x0000000000400000-0x0000000000411000-memory.dmp