Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 13:15

General

  • Target
    2026-09-10_98500e658d18fc2c0014533c98428358_elex_stop.exe
  • Size 15.5MB
  • Sample260910-qhhvdsxwhy
  • SHA256 72660af9a80be1f87ea365fc49c80ca64ef66645199a024e454ef9e4588b88e6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with Dotfuscator 5 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 27 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-10_98500e658d18fc2c0014533c98428358_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-10_98500e658d18fc2c0014533c98428358_elex_stop.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5728
    • C:\Windows\SysWOW64\MSIEXEC.EXE
      MSIEXEC.EXE /i "C:\Users\Admin\AppData\Local\Temp\{E0DA7DDC-DC1F-4089-A261-962BFD87C7CE}\Corner Bowl Server Manager.msi" SETUPEXEDIR="C:\Users\Admin\AppData\Local\Temp" SETUPEXENAME="2026-09-10_98500e658d18fc2c0014533c98428358_elex_stop.exe"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:5856
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4964
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5648
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 27FDAF06E2BCE8DE11DCA33F8830CF7C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:892
    • C:\Program Files (x86)\SpectorSoft\Server Manager\cbsmti.exe
      "C:\Program Files (x86)\SpectorSoft\Server Manager\cbsmti.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4108
    • C:\Windows\system32\Notepad.exe
      Notepad.exe "C:\Program Files (x86)\SpectorSoft\Server Manager\readme.txt"
      2⤵
        PID:1888
      • C:\Program Files (x86)\SpectorSoft\Server Manager\cbsmui.exe
        "C:\Program Files (x86)\SpectorSoft\Server Manager\cbsmui.exe"
        2⤵
        • Executes dropped EXE
        • Modifies Internet Explorer settings
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2256
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:5584
    • C:\Program Files (x86)\SpectorSoft\Server Manager\cbsmsrv.exe
      "C:\Program Files (x86)\SpectorSoft\Server Manager\cbsmsrv.exe"
      1⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:5536
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Windows\TEMP\ck74ms-w.cmdline"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:240
        • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Windows\SystemTemp\RES1947.tmp" "c:\Windows\Temp\CSC1946.tmp"
          3⤵
          • Drops file in Windows directory
          PID:752
    • C:\Program Files (x86)\SpectorSoft\Server Manager\cbsmti.exe
      "C:\Program Files (x86)\SpectorSoft\Server Manager\cbsmti.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4928

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59f11e.rbs

          • Path C:\Config.Msi\e59f11e.rbs
          • Size 29KB
          • SHA256 1a8a18e3793f2c8abe9732e47bc80862c2e5393cb9c44067015f06152354d9e6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ActiproSoftware.Shared.Net20.dll

          • Path C:\Program Files (x86)\SpectorSoft\Server Manager\ActiproSoftware.Shared.Net20.dll
          • Size 224KB
          • SHA256 b57924b3a5cc06b704d6c77203072e14e6e4af11378eeab9f5392ac7210c1425
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ActiproSoftware.UIStudio.Bar.Net20.dll

          • Path C:\Program Files (x86)\SpectorSoft\Server Manager\ActiproSoftware.UIStudio.Bar.Net20.dll
          • Size 584KB
          • SHA256 342749b5d8ea0b60bfa8c2d8bd9e9588ad5b686cfe15dac90d53c4b5bfc8dae9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ActiproSoftware.UIStudio.Dock.Net20.dll

          • Path C:\Program Files (x86)\SpectorSoft\Server Manager\ActiproSoftware.UIStudio.Dock.Net20.dll
          • Size 580KB
          • SHA256 c047bd5c794915bf796e245e261192ade45a6587830f9e3eb010f7056ba9e439
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ActiproSoftware.WinUICore.Net20.dll

          • Path C:\Program Files (x86)\SpectorSoft\Server Manager\ActiproSoftware.WinUICore.Net20.dll
          • Size 160KB
          • SHA256 773e9dd53e7d0526dfebb441d0c6b54b0f166292fb2747cf0f784bcba123a50a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          BinaryComponents.SuperList.dll

          • Path C:\Program Files (x86)\SpectorSoft\Server Manager\BinaryComponents.SuperList.dll
          • Size 150KB
          • SHA256 a232059c6cde392d356e00a0dac3fd4571f9e65276b26b1e0ec9a0be30b31139
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SharpSnmpLib.dll

          • Path C:\Program Files (x86)\SpectorSoft\Server Manager\SharpSnmpLib.dll
          • Size 189KB
          • SHA256 f1d2a313d362f89cd1d01f6927ed60829a796c6fd0e355ecd347d47c5a8d3b46
          • MD5 SHA1 SHA512 SSDEEP TLSH

          XPTable.dll

          • Path C:\Program Files (x86)\SpectorSoft\Server Manager\XPTable.dll
          • Size 320KB
          • SHA256 87823164870f351a03dcf99817ae24db4b97ddfac1b9a22f6de89b0d6a75777c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cbsm.dll

          • Path C:\Program Files (x86)\SpectorSoft\Server Manager\cbsm.dll
          • Size 6.5MB
          • SHA256 4ff8937db31dde2dab127b0b7c921fa52f0994e54de8a86341062bd7944cd1cf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cbsmsrv.exe

          • Path C:\Program Files (x86)\SpectorSoft\Server Manager\cbsmsrv.exe
          • Size 155KB
          • SHA256 37b8591b38d667b1334bfed4493e60d45ba48a82fd4a56025a5372dae99af66d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cbsmti.exe

          • Path C:\Program Files (x86)\SpectorSoft\Server Manager\cbsmti.exe
          • Size 46KB
          • SHA256 8198adf64d7ff175357842f3bc435f3c2f01f861848ed28178b70441403cfb35
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cbsmui.exe

          • Path C:\Program Files (x86)\SpectorSoft\Server Manager\cbsmui.exe
          • Size 381KB
          • SHA256 067c8241d8ac384349f1b7844340a9b419ee3f0b90673a3bb6cb336dc7fcae74
          • MD5 SHA1 SHA512 SSDEEP TLSH

          readme.txt

          • Path C:\Program Files (x86)\SpectorSoft\Server Manager\readme.txt
          • Size 100KB
          • SHA256 93dde6cdcdca1f299354e7fdaba19433eea0041a0a5d49b6e3dd071d069471ab
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Config.xml

          • Path C:\ProgramData\CornerBowl\Server Manager\Config.xml
          • Size 146B
          • SHA256 8125472c2dffc43d15414388b810910e7e54ca077474adc891a9a7e408f6a29c
          • MD5 SHA1 SHA512 TLSH

          62B5AF9BE9ADC1085C3C56EC07A82BF6

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\62B5AF9BE9ADC1085C3C56EC07A82BF6
          • Size 26KB
          • SHA256 0795f8f0e616d33050adb4bae2c724ba3f8007a5998826f1200d27cef3a13a6c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          7B8944BA8AD0EFDF0E01A43EF62BECD0_247FBCB64A3A3ADFC1CF9559BE6B38CF

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7B8944BA8AD0EFDF0E01A43EF62BECD0_247FBCB64A3A3ADFC1CF9559BE6B38CF
          • Size 5B
          • SHA256 bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128
          • MD5 SHA1 SHA512

          8DFDF057024880D7A081AFBF6D26B92F

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8DFDF057024880D7A081AFBF6D26B92F
          • Size 834B
          • SHA256 e852a91e3a5c2e2ccb590d261ffb7e96364ce2d23b2227e1a7e7a1478063869d
          • MD5 SHA1 SHA512 TLSH

          62B5AF9BE9ADC1085C3C56EC07A82BF6

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\62B5AF9BE9ADC1085C3C56EC07A82BF6
          • Size 212B
          • SHA256 0913dff5f8179ddebbcf5d3bc0ec21e4fe66e4cbcaed370720205ae1ca14d58d
          • MD5 SHA1 SHA512 TLSH

          7B8944BA8AD0EFDF0E01A43EF62BECD0_247FBCB64A3A3ADFC1CF9559BE6B38CF

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7B8944BA8AD0EFDF0E01A43EF62BECD0_247FBCB64A3A3ADFC1CF9559BE6B38CF
          • Size 404B
          • SHA256 5212d48063ab82aa4fbed773caf41ec748220fd838a6d854b440b5f10e6be9c3
          • MD5 SHA1 SHA512 TLSH

          7D266D9E1E69FA1EEFB9699B009B34C8_0A9BFDD75B598C2110CBF610C078E6E6

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7D266D9E1E69FA1EEFB9699B009B34C8_0A9BFDD75B598C2110CBF610C078E6E6
          • Size 404B
          • SHA256 df41b5899cd68cc9044bedb18e51cc376a2015f3690ccfd27b6cfdc1a7e594c3
          • MD5 SHA1 SHA512 TLSH

          8DFDF057024880D7A081AFBF6D26B92F

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8DFDF057024880D7A081AFBF6D26B92F
          • Size 188B
          • SHA256 e600e9aa3ea90c51126c84ebe9a9117bf9ce13aaf255b56fcafcc951b9d92b15
          • MD5 SHA1 SHA512 TLSH

          _is438C.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\_is438C.tmp
          • Size 1KB
          • SHA256 f99d5e5d153a19b689e1015ae66dd0d37d9febf56a80b043b1c2aa4fa0321647
          • MD5 SHA1 SHA512 TLSH

          0x0409.ini

          • Path C:\Users\Admin\AppData\Local\Temp\{E0DA7DDC-DC1F-4089-A261-962BFD87C7CE}\0x0409.ini
          • Size 21KB
          • SHA256 e994689a13b9448c074f9b471edeec9b524890a0d82925e98ab90b658016d8f3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Corner Bowl Server Manager.msi

          • Path C:\Users\Admin\AppData\Local\Temp\{E0DA7DDC-DC1F-4089-A261-962BFD87C7CE}\Corner Bowl Server Manager.msi
          • Size 14.7MB
          • SHA256 6fc0cf289486f141af2290baa54a18709d1a1705f33564e0e731bc459c83787d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ISMSIDEL.INI

          • Path C:\Users\Admin\AppData\Local\Temp\{E0DA7DDC-DC1F-4089-A261-962BFD87C7CE}\_ISMSIDEL.INI
          • Size 20B
          • SHA256 0a33c5dffabcf31a1f6802026e9e2eef4b285e57fd79d52fdcd98d6502d14b13
          • MD5 SHA1 SHA512

          ~437A.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\~437A.tmp
          • Size 5KB
          • SHA256 6eac644e677ca1ed14589f963e93424c59e8c89a2cf4860331b4fdf6ae22dcae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ipcservers.dat

          • Path C:\Users\Admin\AppData\Roaming\CornerBowl\Server Manager\ipcservers.dat
          • Size 111B
          • SHA256 c8baecb38d0a81d22c10941778cf380cd0b94bd44a2869d2545f241a0ebfcd9b
          • MD5 SHA1 SHA512 TLSH

          startup_wizard.css

          • Path C:\Users\Admin\AppData\Roaming\CornerBowl\Server Manager\startup_wizard.css
          • Size 1KB
          • SHA256 58b72ad00558faf8f6dabbcd1ae7c9e7dfc145e61d5273c016a2babfe0ad937a
          • MD5 SHA1 SHA512 TLSH

          wizard_corner.gif

          • Path C:\Users\Admin\AppData\Roaming\CornerBowl\Server Manager\wizard_corner.gif
          • Size 1KB
          • SHA256 a76a2e3e91baff8b5e64f2709840a7ebfb6593259eca1c519b9f406f0dbde386
          • MD5 SHA1 SHA512 TLSH

          MSIF96A.tmp

          • Path C:\Windows\Installer\MSIF96A.tmp
          • Size 76KB
          • SHA256 daf30366a9a72ec9a44fd691bb78079e821c2034d4008f06b7a030b9b46a768c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RES1947.tmp

          • Path C:\Windows\SystemTemp\RES1947.tmp
          • Size 1KB
          • SHA256 15098171abf2197f3c531163365e8f7934dcf647fc954a2fe58fdd1aca23ec8e
          • MD5 SHA1 SHA512 TLSH

          ck74ms-w.dll

          • Path C:\Windows\TEMP\ck74ms-w.dll
          • Size 52KB
          • SHA256 c1d3ea61a2f0a36175c9e8ad5ba977f7c1e487dcd016af7c75450a35300fe7e9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 b83c903509bab4e504ba7e7f0611a1c4b81921df8795983abf7572616d81fb72
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {da7d1ad5-9503-4f10-a029-48b3b59e9e02}_OnDiskSnapshotProp

          • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{da7d1ad5-9503-4f10-a029-48b3b59e9e02}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 c976bbf5d0c88a7e9cf0c17be548bc5f83d0cd79b81262b9693c174da4479098
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CSC1946.tmp

          • Path \??\c:\Windows\Temp\CSC1946.tmp
          • Size 676B
          • SHA256 a287ede9aaf20974fd6ce9a1d193714e65564be3c037e250b8cfcec0d38fb867
          • MD5 SHA1 SHA512 TLSH

          ck74ms-w.0.cs

          • Path \??\c:\Windows\Temp\ck74ms-w.0.cs
          • Size 85KB
          • SHA256 e90de44165be1326699492ca10396059613205be476ff4b715896fa4aacfdceb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ck74ms-w.cmdline

          • Path \??\c:\Windows\Temp\ck74ms-w.cmdline
          • Size 559B
          • SHA256 5205798885bca9cb6d5ccdbf09d234da3f575096f1e799c403a980e6a94f5c2e
          • MD5 SHA1 SHA512 TLSH

          memory/2256-408-0x0000000028180000-0x0000000028926000-memory.dmp

          memory/2256-374-0x00000000206A0000-0x00000000206CC000-memory.dmp

          memory/2256-396-0x00000000207E0000-0x0000000020834000-memory.dmp

          memory/2256-372-0x000000001DF00000-0x000000001DF94000-memory.dmp

          memory/2256-363-0x000000001D9E0000-0x000000001DA76000-memory.dmp

          memory/2256-370-0x000000001DE20000-0x000000001DE5C000-memory.dmp

          memory/2256-368-0x000000001DDB0000-0x000000001DDDC000-memory.dmp

          memory/4928-338-0x0000000020690000-0x00000000209A0000-memory.dmp

          memory/4928-313-0x000000001BAF0000-0x000000001BAF8000-memory.dmp

          memory/5536-321-0x000000001B480000-0x000000001B490000-memory.dmp

          memory/5536-291-0x000000001CBF0000-0x000000001CCC0000-memory.dmp

          memory/5536-289-0x000000001C7B0000-0x000000001C7E6000-memory.dmp

          memory/5536-285-0x000000001CA80000-0x000000001CB1C000-memory.dmp

          memory/5536-280-0x000000001B960000-0x000000001BE2E000-memory.dmp

          memory/5536-279-0x000000001B410000-0x000000001B472000-memory.dmp

          memory/5536-278-0x000000001AD80000-0x000000001B40E000-memory.dmp

          memory/5536-276-0x0000000001540000-0x0000000001560000-memory.dmp