Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/09/2026, 23:15

General

  • Target
    2026-09-09_cf3e9d0a527e0b5ec641daa7fd7a36b1_elex_wannacry.exe
  • Size 4.0MB
  • Sample260910-28tkcsfa57
  • SHA256 c4cdb928c049e9548a678f3e180e05c07671bd416abf05b104305e059bcf92fe
  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-09_cf3e9d0a527e0b5ec641daa7fd7a36b1_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-09_cf3e9d0a527e0b5ec641daa7fd7a36b1_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:3308
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_CABCAAAABCABACBAAACCBBBAABCCBBBCCCCABBBACBABBCCACBCACBBACCCBCBAABBABBABAAACACBBACBCBABAACACBABBBAABBBCB" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACACBBACABBAABCBCCACCAAAACCCAAABAACCBAABCBCBCAAAABABABA.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:2160
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_CABCAAAABCABACBAAACCBBBAABCCBBBCCCCABBBACBABBCCACBCACBBACCCBCBAABBABBABAAACACBBACBCBABAACACBABBBAABBBCB" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACACBBACABBAABCBCCACCAAAACCCAAABAACCBAABCBCBCAAAABABABA.exe" /sc minute /mo 30 /ru SYSTEM /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1860
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc create "UserDataSvc_BCACAACBABBCBABAACBACCBACBABACCCCBACACBBBAAAAABBBBC" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACACBBACABBAABCBCCACCAAAACCCAAABAACCBAABCBCBCAAAABABABA.exe" start= auto displayName= "UserDataSvc_BCACAACBABBCBABAACBACCBACBABACCCCBACACBBBAAAAABBBBC"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4992
      • C:\Windows\SysWOW64\sc.exe
        sc create "UserDataSvc_BCACAACBABBCBABAACBACCBACBABACCCCBACACBBBAAAAABBBBC" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACACBBACABBAABCBCCACCAAAACCCAAABAACCBAABCBCBCAAAABABABA.exe" start= auto displayName= "UserDataSvc_BCACAACBABBCBABAACBACCBACBABACCCCBACACBBBAAAAABBBBC"
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:3232
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc start "UserDataSvc_BCACAACBABBCBABAACBACCBACBABACCCCBACACBBBAAAAABBBBC"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4884
      • C:\Windows\SysWOW64\sc.exe
        sc start "UserDataSvc_BCACAACBABBCBABAACBACCBACBABACCCCBACACBBBAAAAABBBBC"
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:4796
  • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACACBBACABBAABCBCCACCAAAACCCAAABAACCBAABCBCBCAAAABABABA.exe
    C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACACBBACABBAABCBCCACCAAAACCCAAABAACCBAABCBCBCAAAABABABA.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:2688
    • C:\Windows\SysWOW64\notepad.exe
      "notepad.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4272
      • C:\Windows\SysWOW64\calc.exe
        calc.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:1284
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4052
  • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBAAABAABCBCBABAACABAACACCCBBAABABBCBBCBCBACCABABBACCBA.exe
    C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBAAABAABCBCBABAACABAACACCCBBAABABBCBBCBCBACCABABBACCBA.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2908
  • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACACBBACABBAABCBCCACCAAAACCCAAABAACCBAABCBCBCAAAABABABA.exe
    C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACACBBACABBAABCBCCACCAAAACCCAAABAACCBAABCBCBCAAAABABABA.exe
    1⤵
    • Executes dropped EXE
    PID:1820

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 49db6350f1691ec9b622f86b245b8db7eae976b5a0785bcf32b2b23f385fa97d
        • MD5 SHA1 SHA512

        qap`g`v~dtlq

        • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
        • Size 10B
        • SHA256 33d6da3f30c62f64c70d63cc0376693edc21e0235db7ff34d096f24dc101005e
        • MD5 SHA1 SHA512

        qap`g`v~dtlq

        • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
        • Size 10B
        • SHA256 629bf68d2bcb9c4e02c6ab336c0767b33520e4202aebeb01504dcc31a66cd408
        • MD5 SHA1 SHA512

        OptimizeStop.exe

        • Path C:\Users\Admin\Downloads\OptimizeStop.exe
        • Size 44.6MB
        • SHA256 20f0966a1b0a6f521838f77a885e1c13dba002e3f297b9b67a2263c756700ddc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OptimizeStop.exe

        • Path C:\Users\Admin\Downloads\OptimizeStop.exe
        • Size 24.7MB
        • SHA256 11288f9e6f3987cbdef6594681bea7c8f196a1ae7fac35ace3c5d119e9996cce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OptimizeStop.exe

        • Path C:\Users\Admin\Downloads\OptimizeStop.exe
        • Size 28.7MB
        • SHA256 abd5e20d67ecd67ec7b347488dc00e44b4bb5708d9d76d64670b98f121d7ba7f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OptimizeStop.exe

        • Path C:\Users\Admin\Downloads\OptimizeStop.exe
        • Size 32.8MB
        • SHA256 77db977e6e5eca87d8bc5b120a9c51a130d3de046e9aaa31ba5a460399cbf32a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OptimizeStop.exe

        • Path C:\Users\Admin\Downloads\OptimizeStop.exe
        • Size 192KB
        • SHA256 16d4f1daa4eba9a7d0f57961f87193cc5b92f310bf374c3de0d081f15edbe792
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OptimizeStop.exe

        • Path C:\Users\Admin\Downloads\OptimizeStop.exe
        • Size 31.9MB
        • SHA256 df0e5a179c614aa832418196bc2b3329f3885f9d29d9e04bac32e0694b289875
        • MD5 SHA1 SHA512 SSDEEP TLSH

        qap`g`v~dtlq

        • Path C:\Users\Admin\Downloads\qap`g`v~dtlq
        • Size 10B
        • SHA256 359b8ac1045d828a614c338aed764a74ed7f27e53ef1781dd768042b3ca67336
        • MD5 SHA1 SHA512

        qap`g`v~dtlq

        • Path C:\Users\Admin\Downloads\qap`g`v~dtlq
        • Size 10B
        • SHA256 ad3d730dbbc21c44c8d9eea8980d85994043732c8c1afc1610cdfcdafb2dbd66
        • MD5 SHA1 SHA512

        qap`g`v~dtlq

        • Path C:\Users\Admin\Downloads\qap`g`v~dtlq
        • Size 10B
        • SHA256 d82647989fb50995bf9944c6e8e1176a4f3dd27543aed92428b26272819e8b11
        • MD5 SHA1 SHA512

        svchost_ACACBBACABBAABCBCCACCAAAACCCAAABAACCBAABCBCBCAAAABABABA.exe

        • Path C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACACBBACABBAABCBCCACCAAAACCCAAABAACCBAABCBCBCAAAABABABA.exe
        • Size 4.0MB
        • SHA256 c4cdb928c049e9548a678f3e180e05c07671bd416abf05b104305e059bcf92fe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        virus_log.txt

        • Path C:\Users\Public\Documents\Microsoft\Windows\Logs\virus_log.txt
        • Size 934B
        • SHA256 bedd64422a95ac08d5483c836578fd8a59c398fa5d880ed554a8f47a591dbc24
        • MD5 SHA1 SHA512 TLSH

        memory/2688-37-0x0000000000780000-0x00000000007A1000-memory.dmp

        memory/2688-76-0x0000000000780000-0x00000000007A1000-memory.dmp

        memory/2688-52-0x0000000000780000-0x00000000007A1000-memory.dmp

        memory/2908-101-0x0000000000E90000-0x0000000000EB1000-memory.dmp

        memory/3308-75-0x0000000000B10000-0x0000000000B31000-memory.dmp

        memory/3308-25-0x0000000000B10000-0x0000000000B31000-memory.dmp

        memory/3308-51-0x0000000000B10000-0x0000000000B31000-memory.dmp

        memory/3308-12-0x0000000000B10000-0x0000000000B31000-memory.dmp

        memory/3308-0-0x0000000000B10000-0x0000000000B31000-memory.dmp

        memory/4272-78-0x0000000005100000-0x0000000005101000-memory.dmp