Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 02:37

General

  • Target
    2026-06-27_d21ccb5db010edb94fea0babaae35aca_elex_wannacry.exe
  • Size 64KB
  • Sample260629-c4bfjsbv31
  • SHA256 2026886acf2713d1f4a62464b0f0ac63bda7d5876a3ebc863215898669fcfb3e
  • 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 15 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 8 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 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 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-27_d21ccb5db010edb94fea0babaae35aca_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-27_d21ccb5db010edb94fea0babaae35aca_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:5752
    • C:\Windows\{8773D20D-8D18-4e39-8191-43611777B23E}.exe
      C:\Windows\{8773D20D-8D18-4e39-8191-43611777B23E}.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:2184
      • C:\Windows\{CBAA6829-38DE-4c25-BF1E-EDB37DB12092}.exe
        C:\Windows\{CBAA6829-38DE-4c25-BF1E-EDB37DB12092}.exe
        3⤵
        • 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:3464
        • C:\Windows\{1E3387F9-D45A-441a-AF37-6CD10CF954D1}.exe
          C:\Windows\{1E3387F9-D45A-441a-AF37-6CD10CF954D1}.exe
          4⤵
          • 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:5864
          • C:\Windows\{3317C6CE-185A-489a-A39D-08F780330386}.exe
            C:\Windows\{3317C6CE-185A-489a-A39D-08F780330386}.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1880
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{1E338~1.EXE > nul
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4648
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{CBAA6~1.EXE > nul
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5020
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{8773D~1.EXE > nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5876
    • 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:2516
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3428
      • C:\Windows\{3317C6CE-185A-489a-A39D-08F780330386}.exe
        "C:\Windows\{3317C6CE-185A-489a-A39D-08F780330386}.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3204

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {1E3387F9-D45A-441a-AF37-6CD10CF954D1}.exe

        • Path C:\Windows\{1E3387F9-D45A-441a-AF37-6CD10CF954D1}.exe
        • Size 64KB
        • SHA256 3f86a868754d5bc659b1730d376bc6a222fc667776be99ce2cf1c0415da795ea
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3317C6CE-185A-489a-A39D-08F780330386}.exe

        • Path C:\Windows\{3317C6CE-185A-489a-A39D-08F780330386}.exe
        • Size 64KB
        • SHA256 88192694f547bfa44b3ee92017877b678e6485c669e10f6137a50934303b4b46
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8773D20D-8D18-4e39-8191-43611777B23E}.exe

        • Path C:\Windows\{8773D20D-8D18-4e39-8191-43611777B23E}.exe
        • Size 64KB
        • SHA256 eb0e96adbede684329da9295db9fc9f90ea2f6bf1fcaa205c826962b809180ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CBAA6829-38DE-4c25-BF1E-EDB37DB12092}.exe

        • Path C:\Windows\{CBAA6829-38DE-4c25-BF1E-EDB37DB12092}.exe
        • Size 64KB
        • SHA256 70b4a926b61277b411ce12c694c7afe32345032990e571041c044fd8cef85169
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1880-29-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2184-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2184-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3464-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3464-16-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3464-20-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5752-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5752-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5752-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5864-22-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5864-28-0x0000000000400000-0x0000000000410000-memory.dmp