Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/08/2026, 01:53

General

  • Target
    2026-08-15_10e39bf390947ebf24a37e8ab9681bd2_elex_vidar_wannacry.exe
  • Size 625KB
  • Sample260815-cbc4nswhkf
  • SHA256 b1ef073a51f7132c61a2a32c4d4dd946dd54bb1bc95ff515ab92dd055100d1a9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables embedding registry key / value combination indicative of disabling Windows Defen 6 IoCs
  • 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 9 IoCs

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

  • 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 WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-15_10e39bf390947ebf24a37e8ab9681bd2_elex_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-15_10e39bf390947ebf24a37e8ab9681bd2_elex_vidar_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:1804
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_CBCACCAABBBAABACACABBBBCAABACACBBCAACAABBCAABCCBCABCBACBABBBBCACACABABAACABCABCBCACCBCCBAABCBBBCAABCACB" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABBACBCBABAABCAAAACBBBCBCBAABBCBCCCBBCBBCCCACCACBACBA.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:1420
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_CBCACCAABBBAABACACABBBBCAABACACBBCAACAABBCAABCCBCABCBACBABBBBCACACABABAACABCABCBCACCBCCBAABCBBBCAABCACB" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABBACBCBABAABCAAAACBBBCBCBAABBCBCCCBBCBBCCCACCACBACBA.exe" /sc minute /mo 30 /ru SYSTEM /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4704
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc create "UserDataSvc_CCAABABCACACABBBACBCCBCAABABCCCAACCAACBCCAABCABAABB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABBACBCBABAABCAAAACBBBCBCBAABBCBCCCBBCBBCCCACCACBACBA.exe" start= auto displayName= "UserDataSvc_CCAABABCACACABBBACBCCBCAABABCCCAACCAACBCCAABCABAABB"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Windows\SysWOW64\sc.exe
        sc create "UserDataSvc_CCAABABCACACABBBACBCCBCAABABCCCAACCAACBCCAABCABAABB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABBACBCBABAABCAAAACBBBCBCBAABBCBCCCBBCBBCCCACCACBACBA.exe" start= auto displayName= "UserDataSvc_CCAABABCACACABBBACBCCBCAABABCCCAACCAACBCCAABCABAABB"
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:4612
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc start "UserDataSvc_CCAABABCACACABBBACBCCBCAABABCCCAACCAACBCCAABCABAABB"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2396
      • C:\Windows\SysWOW64\sc.exe
        sc start "UserDataSvc_CCAABABCACACABBBACBCCBCAABABCCCAACCAACBCCAABCABAABB"
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:5732
  • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABBACBCBABAABCAAAACBBBCBCBAABBCBCCCBBCBBCCCACCACBACBA.exe
    C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABBACBCBABAABCAAAACBBBCBCBAABBCBCCCBBCBBCCCACCACBACBA.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:4416
    • C:\Windows\notepad.exe
      "notepad.exe"
      2⤵
        PID:2748
    • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABBACBCBABAABCAAAACBBBCBCBAABBCBCCCBBCBBCCCACCACBACBA.exe
      C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABBACBCBABAABCAAAACBBBCBCBAABBCBCCCBBCBBCCCACCACBACBA.exe
      1⤵
      • Executes dropped EXE
      PID:4884
    • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACACABCACAACBBAAABBCBAAACBCCABBCACCBCAAABBAABABBBAABAAA.exe
      C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACACABCACAACBBAAABBCBAAACBCCABBCACCBCAAABBAABABBBAABAAA.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4668

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 f5871a2b946c97f382214702406602d80704e7d15a56928e9822129343fc5715
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 dedf3b22dadfdc0f52b1b68a5918d4c372ebf479fc9b0778d208f0ac0c098846
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 6c66bb5a6455c016da3f6c043f53982d16897deba236d2fb1b56ac2fd04e8231
          • MD5 SHA1 SHA512

          LimitStart.exe

          • Path C:\Users\Admin\Downloads\LimitStart.exe
          • Size 2.4MB
          • SHA256 f299a3514e554b3bed62e06917bcfe9cb9ae8b4dd507e8f2b1b50e4aae96e6c0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LimitStart.exe

          • Path C:\Users\Admin\Downloads\LimitStart.exe
          • Size 4.3MB
          • SHA256 d687e3f4df590cf51f5f1d96ee3b1dcec077da77f0f0708b515e40ae8bd367b4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LimitStart.exe

          • Path C:\Users\Admin\Downloads\LimitStart.exe
          • Size 4.9MB
          • SHA256 5bf60eb2c758cde371f9be595c2e9548617e13cbf6275da03a92dd069cab786f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LimitStart.exe

          • Path C:\Users\Admin\Downloads\LimitStart.exe
          • Size 5.5MB
          • SHA256 ff27941bce82bcd892ee052b2ca1005c7d9ec3f753eea3a483f25e77a55051e0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LimitStart.exe

          • Path C:\Users\Admin\Downloads\LimitStart.exe
          • Size 6.1MB
          • SHA256 85ca567a0008df5d34ebba104c5399cda4758176730ec5ea23b473f26844eaae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          qap`g`v~dtlq

          • Path C:\Users\Admin\Downloads\qap`g`v~dtlq
          • Size 10B
          • SHA256 58716fcb0b3901016c0f3f88e98d7af5c0037ba75ef846be54929e1f919daf14
          • MD5 SHA1 SHA512

          svchost_CAABBACBCBABAABCAAAACBBBCBCBAABBCBCCCBBCBBCCCACCACBACBA.exe

          • Path C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CAABBACBCBABAABCAAAACBBBCBCBAABBCBCCCBBCBBCCCACCACBACBA.exe
          • Size 625KB
          • SHA256 b1ef073a51f7132c61a2a32c4d4dd946dd54bb1bc95ff515ab92dd055100d1a9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1804-35-0x00000000005C0000-0x00000000005E1000-memory.dmp

          memory/1804-61-0x00000000005C0000-0x00000000005E1000-memory.dmp

          memory/1804-0-0x00000000005C0000-0x00000000005E1000-memory.dmp

          memory/1804-22-0x00000000005C0000-0x00000000005E1000-memory.dmp

          memory/1804-11-0x00000000005C0000-0x00000000005E1000-memory.dmp

          memory/4416-52-0x0000000000210000-0x0000000000231000-memory.dmp

          memory/4416-34-0x0000000000210000-0x0000000000231000-memory.dmp

          memory/4416-73-0x0000000000210000-0x0000000000231000-memory.dmp