Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/08/2026, 10:04

General

  • Target
    2026-08-16_b894bcb000b273b4aaef6fc4d4754303_elex_wannacry.exe
  • Size 402KB
  • Sample260816-l4chaacf26
  • SHA256 e74bc69d90188676536ce7c4aa70bc3672c1d956fe6a40833610d7abae93f110
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Creates new service(s) 2 TTPs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Executes a command shell one-liner 1 TTPs 3 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-16_b894bcb000b273b4aaef6fc4d4754303_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-16_b894bcb000b273b4aaef6fc4d4754303_elex_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4784
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_CCBCCAACBCBAABAAABABBCCCABBCBCABCBBABBCAABAACBACCABBCCABCCABCBBBCAAABACAACABACAABCBBBACCCCBAACACBACBABA" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCCBBBABCCAACBAACCACABBCCCBBBABABCBAABCCCBCCACCCCBCAA.exe" /sc minute /mo 30 /ru SYSTEM /f
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4144
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_CCBCCAACBCBAABAAABABBCCCABBCBCABCBBABBCAABAACBACCABBCCABCCABCBBBCAAABACAACABACAABCBBBACCCCBAACACBACBABA" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCCBBBABCCAACBAACCACABBCCCBBBABABCBAABCCCBCCACCCCBCAA.exe" /sc minute /mo 30 /ru SYSTEM /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2432
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc create "UserDataSvc_BAABCACCABCCBCCBCBCABCABACBACABBBACCBACBAABAAABABBB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCCBBBABCCAACBAACCACABBCCCBBBABABCBAABCCCBCCACCCCBCAA.exe" start= auto displayName= "UserDataSvc_BAABCACCABCCBCCBCBCABCABACBACABBBACCBACBAABAAABABBB"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:540
      • C:\Windows\SysWOW64\sc.exe
        sc create "UserDataSvc_BAABCACCABCCBCCBCBCABCABACBACABBBACCBACBAABAAABABBB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCCBBBABCCAACBAACCACABBCCCBBBABABCBAABCCCBCCACCCCBCAA.exe" start= auto displayName= "UserDataSvc_BAABCACCABCCBCCBCBCABCABACBACABBBACCBACBAABAAABABBB"
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:724
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc start "UserDataSvc_BAABCACCABCCBCCBCBCABCABACBACABBBACCBACBAABAAABABBB"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Windows\SysWOW64\sc.exe
        sc start "UserDataSvc_BAABCACCABCCBCCBCBCABCABACBACABBBACCBACBAABAAABABBB"
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2176
  • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCCBBBABCCAACBAACCACABBCCCBBBABABCBAABCCCBCCACCCCBCAA.exe
    C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCCBBBABCCAACBAACCACABBCCCBBBABABCBAABCCCBCCACCCCBCAA.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3956
    • C:\Windows\SysWOW64\notepad.exe
      "notepad.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3748
      • C:\Windows\SysWOW64\calc.exe
        calc.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:4400
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:3340
  • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCCBBBABCCAACBAACCACABBCCCBBBABABCBAABCCCBCCACCCCBCAA.exe
    C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCCBBBABCCAACBAACCACABBCCCBBBABABCBAABCCCBCCACCCCBCAA.exe
    1⤵
    • Executes dropped EXE
    PID:5064
  • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BCBBCBABABABAACCCABABBBABCCBAABBACCACAABBCCCCCBACAAAABA.exe
    C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BCBBCBABABABAACCCABABBBABCCBAABBACCACAABBCCCCCBACAAAABA.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:456

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        qap`g`v~dtlq

        • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
        • Size 10B
        • SHA256 da7464aabb0fa6327579b93dfc75d47a6f9b1dd02423bb2e211f3b2b792fd64f
        • MD5 SHA1 SHA512

        qap`g`v~dtlq

        • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
        • Size 10B
        • SHA256 146e198d025fa4a768671576fefbf88936b2b6ae19413771167dc3112d974146
        • MD5 SHA1 SHA512

        qap`g`v~dtlq

        • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
        • Size 10B
        • SHA256 36dd79882367a96f74b202bd157ff4e884e404966c035287e14ae174a0edeaff
        • MD5 SHA1 SHA512

        CloseSend.exe

        • Path C:\Users\Admin\Downloads\CloseSend.exe
        • Size 4.5MB
        • SHA256 f286abd1460b1a0dcd2f77a9ebc061ff121c05ecf6e7b208d7ab2682257b8ae5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CloseSend.exe

        • Path C:\Users\Admin\Downloads\CloseSend.exe
        • Size 1.7MB
        • SHA256 24bef28c4cc43e8c5aeebd834c8d1fdb63704329c70019ec92cadaaa792ac7db
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CloseSend.exe

        • Path C:\Users\Admin\Downloads\CloseSend.exe
        • Size 2.9MB
        • SHA256 ea64f76c4235dafd0cf206de24331d1f9261cf69000fc01321d6b91c7086a7a8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CloseSend.exe

        • Path C:\Users\Admin\Downloads\CloseSend.exe
        • Size 3.3MB
        • SHA256 3bcdd2718e44b1d06877fea9c0a009d9c2b8ec956860921778a4c72f5fc4f9e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CloseSend.exe

        • Path C:\Users\Admin\Downloads\CloseSend.exe
        • Size 3.7MB
        • SHA256 d1b7737e4e9abf4b50d7289c922d996956295f457653490ca3b09962113bd462
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CloseSend.exe

        • Path C:\Users\Admin\Downloads\CloseSend.exe
        • Size 4.1MB
        • SHA256 17a5a61d61b811cae4f7af9ad19d798eddaf765351d2588f45def7a8ae37399c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        qap`g`v~dtlq

        • Path C:\Users\Admin\Downloads\qap`g`v~dtlq
        • Size 10B
        • SHA256 2296311c68731bbda61b00ffb38cffe14a2af3e728102839aff92780220f4e7c
        • MD5 SHA1 SHA512

        qap`g`v~dtlq

        • Path C:\Users\Admin\Downloads\qap`g`v~dtlq
        • Size 10B
        • SHA256 b4db409ba14739c3084c9021cda47a9a32f161e14889fc6c2318c850103b6d17
        • MD5 SHA1 SHA512

        svchost_CCBCCBBBABCCAACBAACCACABBCCCBBBABABCBAABCCCBCCACCCCBCAA.exe

        • Path C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBCCBBBABCCAACBAACCACABBCCCBBBABABCBAABCCCBCCACCCCBCAA.exe
        • Size 402KB
        • SHA256 e74bc69d90188676536ce7c4aa70bc3672c1d956fe6a40833610d7abae93f110
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/456-103-0x0000000000220000-0x0000000000241000-memory.dmp

        memory/3748-79-0x0000000005460000-0x0000000005461000-memory.dmp

        memory/3956-54-0x0000000000780000-0x00000000007A1000-memory.dmp

        memory/3956-36-0x0000000000780000-0x00000000007A1000-memory.dmp

        memory/3956-77-0x0000000000780000-0x00000000007A1000-memory.dmp

        memory/4784-37-0x0000000000730000-0x0000000000751000-memory.dmp

        memory/4784-63-0x0000000000730000-0x0000000000751000-memory.dmp

        memory/4784-94-0x0000000000730000-0x0000000000751000-memory.dmp

        memory/4784-0-0x0000000000730000-0x0000000000751000-memory.dmp

        memory/4784-24-0x0000000000730000-0x0000000000751000-memory.dmp

        memory/4784-11-0x0000000000730000-0x0000000000751000-memory.dmp

        memory/5064-96-0x0000000000780000-0x00000000007A1000-memory.dmp