Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/08/2026, 10:43

General

  • Target
    2026-08-27_acbfb4af202ecc39fdd978603bef2323_elex_vidar_wannacry.exe
  • Size 12.0MB
  • Sample260827-msbmaatard
  • SHA256 53a48feb3028a60647a0c63c31e64c76b5ec7cc024bbf1b818f7cc562a89417e
  • 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 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-27_acbfb4af202ecc39fdd978603bef2323_elex_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-27_acbfb4af202ecc39fdd978603bef2323_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:708
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_BACBBBCACACACBBAABBBBCCBCCCBBACCCCCACBBACBABCCACCABABACBCABACCCBACBABBAACABBBAAACCAABACBABCCBBCBBBCCBCA" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABCACACBCABBACCABCBCBBBBCBACACBCCABBBCCABBABCABBCCBBAC.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:2384
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_BACBBBCACACACBBAABBBBCCBCCCBBACCCCCACBBACBABCCACCABABACBCABACCCBACBABBAACABBBAAACCAABACBABCCBBCBBBCCBCA" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABCACACBCABBACCABCBCBBBBCBACACBCCABBBCCABBABCABBCCBBAC.exe" /sc minute /mo 30 /ru SYSTEM /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3248
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc create "UserDataSvc_BAACACCACCBABAABBCABCAABBCBCBBCBABACBCBACBBAACBAACB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABCACACBCABBACCABCBCBBBBCBACACBCCABBBCCABBABCABBCCBBAC.exe" start= auto displayName= "UserDataSvc_BAACACCACCBABAABBCABCAABBCBCBBCBABACBCBACBBAACBAACB"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4856
      • C:\Windows\SysWOW64\sc.exe
        sc create "UserDataSvc_BAACACCACCBABAABBCABCAABBCBCBBCBABACBCBACBBAACBAACB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABCACACBCABBACCABCBCBBBBCBACACBCCABBBCCABBABCABBCCBBAC.exe" start= auto displayName= "UserDataSvc_BAACACCACCBABAABBCABCAABBCBCBBCBABACBCBACBBAACBAACB"
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2960
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc start "UserDataSvc_BAACACCACCBABAABBCABCAABBCBCBBCBABACBCBACBBAACBAACB"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3476
      • C:\Windows\SysWOW64\sc.exe
        sc start "UserDataSvc_BAACACCACCBABAABBCABCAABBCBCBBCBABACBCBACBBAACBAACB"
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:4932
  • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABCACACBCABBACCABCBCBBBBCBACACBCCABBBCCABBABCABBCCBBAC.exe
    C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABCACACBCABBACCABCBCBBBBCBACACBCCABBBCCABBABCABBCCBBAC.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:3184
    • C:\Windows\notepad.exe
      "notepad.exe"
      2⤵
        PID:4492
    • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBBCBCAABAACBACBAABBACACABCCCABBCABBAABACCBBBCABABABAB.exe
      C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_CCBBCBCAABAACBACBAABBACACABCCCABBCABBAABACCBBBCABABABAB.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4528
    • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABCACACBCABBACCABCBCBBBBCBACACBCCABBBCCABBABCABBCCBBAC.exe
      C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABCACACBCABBACCABCBCBBBBCBACACBCCABBBCCABBABCABBCCBBAC.exe
      1⤵
      • Executes dropped EXE
      PID:4112

    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 d29ff4382aa90928b4606767a394d8bd1c6e0fd38f96b6b6dbfb59c574f8c81d
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 494b1b78549782c9535fa031f55ca9bd96b7504ca8c933a55e229c34ac6c547f
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 56bec95ad810baa7bdbc6048acb53bf76f6485020797791fcbbdf1712f645b02
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 f286e268dbdd8568af48e1f52f0640732d3a65882a7ac47832e09b0ca847a85d
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 f76110316393d05464f576e6ad8e178f58cb51bd151b58ef7b7ad7f32e5e84f3
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 a012b1416252d2def26d1ddd800a82ad767ab24d8221f0bf0240ddd120fb5ad9
          • MD5 SHA1 SHA512

          svchost_AABCACACBCABBACCABCBCBBBBCBACACBCCABBBCCABBABCABBCCBBAC.exe

          • Path C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_AABCACACBCABBACCABCBCBBBBCBACACBCCABBBCCABBABCABBCCBBAC.exe
          • Size 12.0MB
          • SHA256 53a48feb3028a60647a0c63c31e64c76b5ec7cc024bbf1b818f7cc562a89417e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          virus_log.txt

          • Path C:\Users\Public\Documents\Microsoft\Windows\Logs\virus_log.txt
          • Size 926B
          • SHA256 2c66d245e6e7bce69271b5d08b12f612eb4791547d8745a71004bab035439c7b
          • MD5 SHA1 SHA512 TLSH

          memory/708-8-0x0000000000D80000-0x0000000000DA1000-memory.dmp

          memory/708-0-0x0000000000D80000-0x0000000000DA1000-memory.dmp

          memory/3184-24-0x0000000000FC0000-0x0000000000FE1000-memory.dmp

          memory/3184-34-0x0000000000FC0000-0x0000000000FE1000-memory.dmp

          memory/4528-79-0x0000000000ED0000-0x0000000000EF1000-memory.dmp