Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    25/05/2026, 04:49

General

  • Target
    2026-05-25_44c9d5784ad796d7a07892d50ea02972_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_vidar.exe
  • Size 20.2MB
  • Sample260525-ff1bjsa19n
  • SHA256 f3fd6b3f4b88de8934a6e5aab7c5589c33aa4dbd9777e0f69b7282ac9d7fc94d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Grants admin privileges 1 TTPs

    Uses net.exe to modify the user's privileges.

  • Disables service(s) 3 TTPs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Launches sc.exe 5 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Permission Groups Discovery: Local Groups 1 TTPs

    Attempt to find local system groups and permission settings.

  • System Location Discovery: System Language Discovery 1 TTPs 32 IoCs

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

  • Runs net.exe
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-25_44c9d5784ad796d7a07892d50ea02972_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-25_44c9d5784ad796d7a07892d50ea02972_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_vidar.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3600
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2840
    • C:\Windows\SysWOW64\UpdatAuto.exe
      C:\Windows\system32\UpdatAuto.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2888
    • C:\Users\Admin\AppData\Local\Temp\2026-05-25_44c9d5784ad796d7a07892d50ea02972_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_vidar~4.exe
      2026-05-25_44c9d5784ad796d7a07892d50ea02972_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_vidar~4.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4824
      • C:\Windows\Temp\{CB4AA75A-19A4-46AF-9152-D9BF593FF519}\.cr\2026-05-25_44c9d5784ad796d7a07892d50ea02972_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_vidar~4.exe
        "C:\Windows\Temp\{CB4AA75A-19A4-46AF-9152-D9BF593FF519}\.cr\2026-05-25_44c9d5784ad796d7a07892d50ea02972_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_vidar~4.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\2026-05-25_44c9d5784ad796d7a07892d50ea02972_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_vidar~4.exe" -burn.filehandle.attached=728 -burn.filehandle.self=732
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4716
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop sharedaccess
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4604
      • C:\Windows\SysWOW64\net.exe
        net stop sharedaccess
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2280
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop sharedaccess
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3256
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop wuauserv
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3568
      • C:\Windows\SysWOW64\net.exe
        net stop wuauserv
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3056
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop wuauserv
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1216
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop wscsvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1036
      • C:\Windows\SysWOW64\net.exe
        net stop wscsvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2988
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop wscsvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2588
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop srservice
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3544
      • C:\Windows\SysWOW64\net.exe
        net stop srservice
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4676
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop srservice
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1620
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net start TlntSvr
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Windows\SysWOW64\net.exe
        net start TlntSvr
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:680
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 start TlntSvr
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4836
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net user helpassistant 123456
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\Windows\SysWOW64\net.exe
        net user helpassistant 123456
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3268
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user helpassistant 123456
          4⤵
          • System Location Discovery: System Language Discovery
          PID:432
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net localgroup administrators helpassistant /add
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4572
      • C:\Windows\SysWOW64\net.exe
        net localgroup administrators helpassistant /add
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2184
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 localgroup administrators helpassistant /add
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4072
    • C:\Windows\SysWOW64\sc.exe
      sc config srservice start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4724
    • C:\Windows\SysWOW64\sc.exe
      sc config SharedAccess start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2544
    • C:\Windows\SysWOW64\sc.exe
      sc config wuauserv start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4768
    • C:\Windows\SysWOW64\sc.exe
      sc config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3020
    • C:\Windows\SysWOW64\sc.exe
      sc config srservice start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:696

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 7.5MB
        • SHA256 35418765f441c4a91a5cecea6df37eadb663e942b5962eeacac7f50c1a9707bf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7zFM.exe

        • Path C:\Program Files\7-Zip\7zFM.exe
        • Size 7.9MB
        • SHA256 1af3531b9dc07575c993634c6b915d9d007c405be6c7e72399a11816757fe64a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7zG.exe

        • Path C:\Program Files\7-Zip\7zG.exe
        • Size 7.6MB
        • SHA256 07dd567d2e5a136a4ee95bbe7dc0945b665a5eaed58bcdf7b37d2c662c4b9650
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Uninstall.exe

        • Path C:\Program Files\7-Zip\Uninstall.exe
        • Size 6.9MB
        • SHA256 ad8b258caf0c29047fba4a7fe9be7d7ac82b05fb3e1b97ffc08e0e9901de7e02
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrmstp.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
        • Size 13.0MB
        • SHA256 045987b3d0130dfbe9fb30e4ea1d07e599b0766aed768c1a5419733969451c99
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome_pwa_launcher.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe
        • Size 8.6MB
        • SHA256 e77d7c1670798740b99bae9c7676dc2cda24a3b6a3dbc6b4e35967b9a4745db4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        elevated_tracing_service.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe
        • Size 10.4MB
        • SHA256 8b9865e3db4ee1b4f289d4e1151f1d56edeefd47d72bbb65f77dc203e901ef90
        • MD5 SHA1 SHA512 SSDEEP TLSH

        elevation_service.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
        • Size 9.2MB
        • SHA256 9d100f5b66bb185141effcad5a94c043cc159e4b651c06997be917028c69ae9d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notification_helper.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe
        • Size 8.6MB
        • SHA256 8fbb45404d95bebb12a61bab265b58fcfdccc2041e5da9ae6d8afae8944da7d1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        os_update_handler.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe
        • Size 8.8MB
        • SHA256 90bcfc29281d8ce65f191828daa60cf6519631b6be5600bc53ba1e9f9ebfe602
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome.exe

        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 10.0MB
        • SHA256 7f4320bbcd1d066bb133748ec79f054830523f0eca978187dbdbc7d95d5d0e13
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome_proxy.exe

        • Path C:\Program Files\Google\Chrome\Application\chrome_proxy.exe
        • Size 8.3MB
        • SHA256 456b4bb2b5a2ff7cc9c8e0271036389cb92ca50c455907c33142ae77c7e8c960
        • MD5 SHA1 SHA512 SSDEEP TLSH

        appletviewer.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe
        • Size 7.0MB
        • SHA256 90febe1d2f30f95c8a9a3b2f9b467e690a755c32e5564e079d0aae1a498f4fb3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dotnet.exe

        • Path C:\Program Files\dotnet\dotnet.exe
        • Size 7.1MB
        • SHA256 0a94187f7cac8441a5d5991dfb2cc5da8a2a38f750f10b74af7362981af15784
        • MD5 SHA1 SHA512 SSDEEP TLSH

        createdump.exe

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe
        • Size 7.0MB
        • SHA256 bf888c2dfe2494d4c47b508edaaa978982e67391a069d080dba1d7b0d5d60301
        • MD5 SHA1 SHA512 SSDEEP TLSH

        createdump.exe

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe
        • Size 7.0MB
        • SHA256 d13bf36d069d2937771bf11ddd5bc3ce3ec6f41cdb04112f0ef577983feb2344
        • MD5 SHA1 SHA512 SSDEEP TLSH

        createdump.exe

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe
        • Size 7.0MB
        • SHA256 23cab9a8328d2f5e4a699183e5f0c96da602024c187fa2165005cfe162aaab1c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-05-25_44c9d5784ad796d7a07892d50ea02972_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_vidar~4.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-05-25_44c9d5784ad796d7a07892d50ea02972_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_vidar~4.exe
        • Size 13.2MB
        • SHA256 f9c04304e7d6ad484a7902819692f5acdf4a850952ab33702408aa7f034b753b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Option.bat

        • Path C:\Windows\SysWOW64\Option.bat
        • Size 53B
        • SHA256 0bc485263cf8a962e64db0b88f156f2a9af1b81ecfdb1cf9111d497e85df70f3
        • MD5 SHA1 SHA512 TLSH

        UpdatAuto.exe

        • Path C:\Windows\SysWOW64\UpdatAuto.exe
        • Size 6.9MB
        • SHA256 3c1c6e1b3b66fb41345c6b28008db7b916866fa18123b9dee147468334b38f4c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logo.png

        • Path C:\Windows\Temp\{0EB39D9C-8389-4F02-94AF-F5116AE252BB}\.ba\logo.png
        • Size 1KB
        • SHA256 335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
        • MD5 SHA1 SHA512 TLSH

        wixstdba.dll

        • Path C:\Windows\Temp\{0EB39D9C-8389-4F02-94AF-F5116AE252BB}\.ba\wixstdba.dll
        • Size 191KB
        • SHA256 a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-05-25_44c9d5784ad796d7a07892d50ea02972_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_vidar~4.exe

        • Path C:\Windows\Temp\{CB4AA75A-19A4-46AF-9152-D9BF593FF519}\.cr\2026-05-25_44c9d5784ad796d7a07892d50ea02972_cobalt-strike_elex_hijackloader_icedid_luca-stealer_njrat_remcos_vidar~4.exe
        • Size 634KB
        • SHA256 81873c2f6c8bc4acaad66423a1b4d90e70214e59710ea7f11c8aeb069acd4cd0
        • MD5 SHA1 SHA512 SSDEEP TLSH