Analysis

  • max time kernel
    148s
  • max time network
    141s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 01:43

General

  • Target
    2026-08-07_25fb8596df090987e0e676ffdb28a065_elex_stop.exe
  • Size 5.3MB
  • Sample260808-b5bbhabb32
  • SHA256 75a4b07c51f8a7a0d6221603c4adc6749ed293d5804e0087e3db64ef9494dc8c
  • 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\2026-08-07_25fb8596df090987e0e676ffdb28a065_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-07_25fb8596df090987e0e676ffdb28a065_elex_stop.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:1848
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_AABCCCABABCBCACCCCAACCBAACACCBCABCCCCCCBAABBCAAACCBABBBCCBABBBCCCBBBBCCABBACAAAAABACBCCCBBACABBBCCCABBC" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBBBBBCBABBCCBAABAAACAABCCBBAAAAACCACACCBBAABBCABCAACBC.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:2180
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_AABCCCABABCBCACCCCAACCBAACACCBCABCCCCCCBAABBCAAACCBABBBCCBABBBCCCBBBBCCABBACAAAAABACBCCCBBACABBBCCCABBC" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBBBBBCBABBCCBAABAAACAABCCBBAAAAACCACACCBBAABBCABCAACBC.exe" /sc minute /mo 30 /ru SYSTEM /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1444
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc create "UserDataSvc_CBABCBCCAABCABACBBCABCCACACABCBBCBCAABACCCAACBCCCBC" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBBBBBCBABBCCBAABAAACAABCCBBAAAAACCACACCBBAABBCABCAACBC.exe" start= auto displayName= "UserDataSvc_CBABCBCCAABCABACBBCABCCACACABCBBCBCAABACCCAACBCCCBC"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1316
      • C:\Windows\SysWOW64\sc.exe
        sc create "UserDataSvc_CBABCBCCAABCABACBBCABCCACACABCBBCBCAABACCCAACBCCCBC" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBBBBBCBABBCCBAABAAACAABCCBBAAAAACCACACCBBAABBCABCAACBC.exe" start= auto displayName= "UserDataSvc_CBABCBCCAABCABACBBCABCCACACABCBBCBCAABACCCAACBCCCBC"
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2612
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc start "UserDataSvc_CBABCBCCAABCABACBBCABCCACACABCBBCBCAABACCCAACBCCCBC"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3200
      • C:\Windows\SysWOW64\sc.exe
        sc start "UserDataSvc_CBABCBCCAABCABACBBCABCCACACABCBBCBCAABACCCAACBCCCBC"
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:1704
  • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBBBBBCBABBCCBAABAAACAABCCBBAAAAACCACACCBBAABBCABCAACBC.exe
    C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBBBBBCBABBCCBAABAAACAABCCBBAAAAACCACACCBBAABBCABCAACBC.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:5436
    • C:\Windows\notepad.exe
      "notepad.exe"
      2⤵
        PID:6136
    • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBBBBBCBABBCCBAABAAACAABCCBBAAAAACCACACCBBAABBCABCAACBC.exe
      C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBBBBBCBABBCCBAABAAACAABCCBBAAAAACCACACCBBAABBCABCAACBC.exe
      1⤵
      • Executes dropped EXE
      PID:3472
    • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ABACCABCAACCBCBBACBBCABABABCABAACACCAAABBACAABAACABBBAB.exe
      C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ABACCABCAACCBCBBACBBCABABABCABAACACCAAABBACAABAACABBBAB.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2080

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          UndoCheckpoint.exe

          • Path C:\Users\Admin\Desktop\UndoCheckpoint.exe
          • Size 3.2MB
          • SHA256 81f1ae082d42071ab3fea4bf58f79a2f3ecfddf02d30d0fe795890105aaa0326
          • MD5 SHA1 SHA512 SSDEEP TLSH

          UndoCheckpoint.exe

          • Path C:\Users\Admin\Desktop\UndoCheckpoint.exe
          • Size 32.0MB
          • SHA256 ffc4ae518f5bce481285acd647655810899e2e4ea6591562ada0be826fa45210
          • MD5 SHA1 SHA512 SSDEEP TLSH

          UndoCheckpoint.exe

          • Path C:\Users\Admin\Desktop\UndoCheckpoint.exe
          • Size 37.3MB
          • SHA256 bd5e61e9979ce969d89f48445ea644ef99740455052a6c2985cfe234a0e8aa5e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          UndoCheckpoint.exe

          • Path C:\Users\Admin\Desktop\UndoCheckpoint.exe
          • Size 42.6MB
          • SHA256 cbaaa3d90936cb64e652f2b0203a6f4c975e4dc8134353d10dd555d9b0608199
          • MD5 SHA1 SHA512 SSDEEP TLSH

          UndoCheckpoint.exe

          • Path C:\Users\Admin\Desktop\UndoCheckpoint.exe
          • Size 47.9MB
          • SHA256 5f7fe5d6b06f7015ef6da8a4ad6b81c63cf59b23b585ab2b8710c9f7b6b40b26
          • MD5 SHA1 SHA512 SSDEEP TLSH

          UndoCheckpoint.exe

          • Path C:\Users\Admin\Desktop\UndoCheckpoint.exe
          • Size 2.9MB
          • SHA256 823b29915c1585d71fcd2fb3066f7e9deaa43af20c35b11d87f30fb7d4a322a2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 93ccfa568ca930ca874549cae777e4ed8ed301f90c3d37b51e3e4f9947fbef93
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 1a1ac7719d75574be4c6c8693fe4529c4cdc0ff89641a2e85d03a1b974faaf18
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 4922762d94573f24945327fb15a7995b66fdddfcb91a30530c16162736c7d569
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 4779e67522f1ffc189a3727fb07a7ced14cdf07041ee342c1325c5bedf4b4897
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 e818f9b929afb8a3c54c4adede9bff2112b262c05474eb675eb038364363f796
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 6c9fb4ef035cd68095fde03fb9df1ecab36bc3f0a5c3a9a3cc80ff895611c15b
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Downloads\qap`g`v~dtlq
          • Size 10B
          • SHA256 88adecbe10776dff21815dec07c77e991c50b325d5a87dab5df4e686bdea1bde
          • MD5 SHA1 SHA512

          svchost_BBBBBBCBABBCCBAABAAACAABCCBBAAAAACCACACCBBAABBCABCAACBC.exe

          • Path C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BBBBBBCBABBCCBAABAAACAABCCBBAAAAACCACACCBBAABBCABCAACBC.exe
          • Size 5.3MB
          • SHA256 75a4b07c51f8a7a0d6221603c4adc6749ed293d5804e0087e3db64ef9494dc8c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          virus_log.txt

          • Path C:\Users\Public\Documents\Microsoft\Windows\Logs\virus_log.txt
          • Size 926B
          • SHA256 fab3222cde6f8554c5b9b561f51de0a0cef7f0f77104c5e94e32661dac3504b2
          • MD5 SHA1 SHA512 TLSH

          memory/1848-22-0x0000000000690000-0x00000000006B1000-memory.dmp

          memory/1848-34-0x0000000000690000-0x00000000006B1000-memory.dmp

          memory/1848-86-0x0000000000690000-0x00000000006B1000-memory.dmp

          memory/1848-0-0x0000000000690000-0x00000000006B1000-memory.dmp

          memory/1848-60-0x0000000000690000-0x00000000006B1000-memory.dmp

          memory/1848-11-0x0000000000690000-0x00000000006B1000-memory.dmp

          memory/2080-109-0x0000000000D90000-0x0000000000DB1000-memory.dmp

          memory/3472-94-0x0000000000450000-0x0000000000471000-memory.dmp

          memory/5436-72-0x0000000000450000-0x0000000000471000-memory.dmp

          memory/5436-33-0x0000000000450000-0x0000000000471000-memory.dmp

          memory/5436-51-0x0000000000450000-0x0000000000471000-memory.dmp