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
    30/06/2026, 10:03

General

  • Target
    2026-06-29_49d970b75e1f0280e81615776594fbb5_elex_wannacry.exe
  • Size 98KB
  • Sample260630-l3bjlact21
  • SHA256 8685e3911be2dc56d5703077cea6884a1bb3600ad8e31bf36934b224855f8177
  • 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 9 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\2026-06-29_49d970b75e1f0280e81615776594fbb5_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-29_49d970b75e1f0280e81615776594fbb5_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:692
    • C:\Windows\{389C0383-B29D-42c0-B284-7A6F87A5AD35}.exe
      C:\Windows\{389C0383-B29D-42c0-B284-7A6F87A5AD35}.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:3652
      • C:\Windows\{94053047-97DC-4f2e-982E-22E556D2D4F6}.exe
        C:\Windows\{94053047-97DC-4f2e-982E-22E556D2D4F6}.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1972
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{389C0~1.EXE > nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1120
    • 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:3636
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3940
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4476
      • C:\Windows\{94053047-97DC-4f2e-982E-22E556D2D4F6}.exe
        "C:\Windows\{94053047-97DC-4f2e-982E-22E556D2D4F6}.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3748

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {389C0383-B29D-42c0-B284-7A6F87A5AD35}.exe

        • Path C:\Windows\{389C0383-B29D-42c0-B284-7A6F87A5AD35}.exe
        • Size 98KB
        • SHA256 27fd96fc3f80849dfe36da4e9e2237ec3706bf63cb956af733fe726ce34dd816
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {94053047-97DC-4f2e-982E-22E556D2D4F6}.exe

        • Path C:\Windows\{94053047-97DC-4f2e-982E-22E556D2D4F6}.exe
        • Size 98KB
        • SHA256 76040cd96a7ae7a91bbd334e74e5e913aea9ece134663a31381af22f1f17f130
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/692-0-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/692-1-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/692-7-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/1972-15-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/3652-6-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/3652-9-0x0000000000400000-0x0000000000411000-memory.dmp

        memory/3652-13-0x0000000000400000-0x0000000000411000-memory.dmp