Analysis

  • max time kernel
    150s
  • 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
    28/08/2026, 02:28

General

  • Target
    2026-08-27_eef59fbc25a337b8c35c71e535d1c494_elex_stop_vidar.exe
  • Size 11.6MB
  • Sample260828-cx3w8astfw
  • SHA256 618520423f345bf25bc60bacd5f45894897e3ac092eb4296d11aa6d54335e856
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Creates new service(s) 2 TTPs
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-27_eef59fbc25a337b8c35c71e535d1c494_elex_stop_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-27_eef59fbc25a337b8c35c71e535d1c494_elex_stop_vidar.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:1960
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_BBCCABBAACCBACBCABBBAAABACABABCCCACCCAABCACAABBBACCACBBACBACCCBAAACACCBABCACBBBCBAAACCAAABAABCBBABABABC" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BCCBABCCBBBCBBBBBBBCCBBCBAABCBCCCCAACCCABCAABCBCCBCACAB.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:2920
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn "Microsoft\Windows\MemoryDiagnostic\MicrosoftEdgeUpdateTask_BBCCABBAACCBACBCABBBAAABACABABCCCACCCAABCACAABBBACCACBBACBACCCBAAACACCBABCACBBBCBAAACCAAABAABCBBABABABC" /tr "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BCCBABCCBBBCBBBBBBBCCBBCBAABCBCCCCAACCCABCAABCBCCBCACAB.exe" /sc minute /mo 30 /ru SYSTEM /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3060
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc create "UserDataSvc_BBCACABCAABCABBCBCAABBCACBCCACCBCBCACBAABBCCCCAACCB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BCCBABCCBBBCBBBBBBBCCBBCBAABCBCCCCAACCCABCAABCBCCBCACAB.exe" start= auto displayName= "UserDataSvc_BBCACABCAABCABBCBCAABBCACBCCACCBCBCACBAABBCCCCAACCB"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5252
      • C:\Windows\SysWOW64\sc.exe
        sc create "UserDataSvc_BBCACABCAABCABBCBCAABBCACBCCACCBCBCACBAABBCCCCAACCB" binPath= "C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BCCBABCCBBBCBBBBBBBCCBBCBAABCBCCCCAACCCABCAABCBCCBCACAB.exe" start= auto displayName= "UserDataSvc_BBCACABCAABCABBCBCAABBCACBCCACCBCBCACBAABBCCCCAACCB"
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:1584
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc start "UserDataSvc_BBCACABCAABCABBCBCAABBCACBCCACCBCBCACBAABBCCCCAACCB"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5028
      • C:\Windows\SysWOW64\sc.exe
        sc start "UserDataSvc_BBCACABCAABCABBCBCAABBCACBCCACCBCBCACBAABBCCCCAACCB"
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:1240
  • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BCCBABCCBBBCBBBBBBBCCBBCBAABCBCCCCAACCCABCAABCBCCBCACAB.exe
    C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BCCBABCCBBBCBBBBBBBCCBBCBAABCBCCCCAACCCABCAABCBCCBCACAB.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:2372
    • C:\Windows\notepad.exe
      "notepad.exe"
      2⤵
        PID:808
    • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACCBBACCABBBABABBCCACABBCBCABCCCBACBAAAAAABBCBAAABBAACA.exe
      C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_ACCBBACCABBBABABBCCACABBCBCABCCCBACBAAAAAABBCBAAABBAACA.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680
    • C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BCCBABCCBBBCBBBBBBBCCBBCBAABCBCCCCAACCCABCAABCBCCBCACAB.exe
      C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BCCBABCCBBBCBBBBBBBCCBBCBAABCBCCCCAACCCABCAABCBCCBCACAB.exe
      1⤵
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2780

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          qap`g`v~dtlq

          • Path C:\PerfLogs\qap`g`v~dtlq
          • Size 10B
          • SHA256 bc099e1c4cc57561d34363729ba62f8c13d2b63c61806ff5d4505776330decbb
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\MediaFoundationWidevineCdm\qap`g`v~dtlq
          • Size 10B
          • SHA256 d9f5b2bfd9991c44b9ccaf5bd3029a6584a5bf47dc6b1f5c65dbc2c727143338
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Ringtones\qap`g`v~dtlq
          • Size 10B
          • SHA256 699c01b81677a2b3f7055e8d884c5d12fdc0d13ca5f6cd20bddf35c939caaff4
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 0227f83011332ba516e05789d3e587d445ebd386ac44085f037a5281c6506294
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 f1a4bcaa3c5e6ec8216b7ef18ed80f5fc360b786f0133ea54ec91c5d1c2bad5c
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 9bc39b2890d9fb4790f67fb446131a025e7b2bafe5cbfbb552527f3f3a208f42
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 99de362a014000a20c27a3dd0c8c058d772d353c5bdc9cd3b32d03d5854cf6c9
          • MD5 SHA1 SHA512

          qap`g`v~dtlq

          • Path C:\Users\Admin\Desktop\qap`g`v~dtlq
          • Size 10B
          • SHA256 b4a367f8ba588c4a969320bdce057aecbc20d27dddb3619fdfefd1c8659be6ca
          • MD5 SHA1 SHA512

          UnregisterExpand.exe

          • Path C:\Users\Admin\Downloads\UnregisterExpand.exe
          • Size 35.0MB
          • SHA256 f462bc2c5a15ffd35ed93a1fe094cc5fddf2125b2a7393db114e6ab2e4b9b41a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          qap`g`v~dtlq

          • Path C:\Users\Admin\Downloads\qap`g`v~dtlq
          • Size 10B
          • SHA256 8aeb028e8422214cb6d2622ec863f7f09cf737520386a54121bd0c8d8312847d
          • MD5 SHA1 SHA512

          svchost_BCCBABCCBBBCBBBBBBBCCBBCBAABCBCCCCAACCCABCAABCBCCBCACAB.exe

          • Path C:\Users\Public\Documents\Microsoft\Windows\Logs\svchost_BCCBABCCBBBCBBBBBBBCCBBCBAABCBCCCCAACCCABCAABCBCCBCACAB.exe
          • Size 11.6MB
          • SHA256 618520423f345bf25bc60bacd5f45894897e3ac092eb4296d11aa6d54335e856
          • MD5 SHA1 SHA512 SSDEEP TLSH

          virus_log.txt

          • Path C:\Users\Public\Documents\Microsoft\Windows\Logs\virus_log.txt
          • Size 1KB
          • SHA256 56c6734cf46212d8ec91f55dc65b59902716f99ea9c881156556f272a57c23ac
          • MD5 SHA1 SHA512 TLSH

          virus_log.txt

          • Path C:\Users\Public\Documents\Microsoft\Windows\Logs\virus_log.txt
          • Size 926B
          • SHA256 10c9b3298476baad6cf7ffed3e30724dec73358221c11c8954c89b7d91bf46f4
          • MD5 SHA1 SHA512 TLSH

          memory/1960-94-0x0000000000100000-0x0000000000121000-memory.dmp

          memory/1960-70-0x0000000000100000-0x0000000000121000-memory.dmp

          memory/1960-0-0x0000000000100000-0x0000000000121000-memory.dmp

          memory/1960-48-0x0000000000100000-0x0000000000121000-memory.dmp

          memory/1960-22-0x0000000000100000-0x0000000000121000-memory.dmp

          memory/1960-11-0x0000000000100000-0x0000000000121000-memory.dmp

          memory/2372-92-0x0000000000120000-0x0000000000141000-memory.dmp

          memory/2372-69-0x0000000000120000-0x0000000000141000-memory.dmp

          memory/2372-47-0x0000000000120000-0x0000000000141000-memory.dmp

          memory/2680-84-0x0000000000120000-0x0000000000141000-memory.dmp

          memory/2780-97-0x0000000000120000-0x0000000000141000-memory.dmp