Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 00:20

General

  • Target
    2026-08-06_b4c7c445dbd7d4b4327e81fefc1dc10b_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
  • Size 5.7MB
  • Sample260807-am8cvaxvbz
  • SHA256 d8c4a861d9db96c50edc171bbf37d920158e988a409b9db85a9b421edc49ae2f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Grants admin privileges 1 TTPs

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

  • Drops file in Drivers directory 1 IoCs
  • Disables service(s) 3 TTPs
  • Executes dropped EXE 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in System32 directory 5 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 8 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Permission Groups Discovery: Local Groups 1 TTPs

    Attempt to find local system groups and permission settings.

  • System Location Discovery: System Language Discovery 1 TTPs 30 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Runs net.exe
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-06_b4c7c445dbd7d4b4327e81fefc1dc10b_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-06_b4c7c445dbd7d4b4327e81fefc1dc10b_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5944
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4004
    • 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:4564
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:3332
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\system32\drivers\2026-08-06_b4c7c445dbd7d4b4327e81fefc1dc10b_cobalt-strike_elex_hijackloader_icedid_njrat_vidar~1.Doc" /o ""
      2⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:4548
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop sharedaccess
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4440
      • C:\Windows\SysWOW64\net.exe
        net stop sharedaccess
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4332
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop sharedaccess
          4⤵
          • System Location Discovery: System Language Discovery
          PID:612
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop wuauserv
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3132
      • C:\Windows\SysWOW64\net.exe
        net stop wuauserv
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:948
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop wuauserv
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5620
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop wscsvc
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5608
      • C:\Windows\SysWOW64\net.exe
        net stop wscsvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2928
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop wscsvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5924
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop srservice
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5724
      • C:\Windows\SysWOW64\net.exe
        net stop srservice
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3404
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop srservice
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3152
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net start TlntSvr
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4016
      • C:\Windows\SysWOW64\net.exe
        net start TlntSvr
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2608
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 start TlntSvr
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1796
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net user helpassistant 123456
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4156
      • C:\Windows\SysWOW64\net.exe
        net user helpassistant 123456
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5436
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user helpassistant 123456
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2976
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net localgroup administrators helpassistant /add
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\net.exe
        net localgroup administrators helpassistant /add
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4180
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 localgroup administrators helpassistant /add
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2384
    • C:\Windows\SysWOW64\sc.exe
      sc config srservice start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2140
    • C:\Windows\SysWOW64\sc.exe
      sc config SharedAccess start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3108
    • C:\Windows\SysWOW64\sc.exe
      sc config wuauserv start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2512
    • C:\Windows\SysWOW64\sc.exe
      sc config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3580
    • C:\Windows\SysWOW64\sc.exe
      sc config srservice start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1464

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 6.2MB
        • SHA256 8c858e558608af3066a6416182f74127ee11d25eeda6fe1c77b2468a9057ac16
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7zFM.exe

        • Path C:\Program Files\7-Zip\7zFM.exe
        • Size 6.6MB
        • SHA256 19fbbad00bfb130d5557405fec9099fb4c2831755dfe14be98c6734d2ac078e1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7zG.exe

        • Path C:\Program Files\7-Zip\7zG.exe
        • Size 6.3MB
        • SHA256 99f949c42140b79be02882e699431847f8619cb16a49a774862606d5370b2707
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Uninstall.exe

        • Path C:\Program Files\7-Zip\Uninstall.exe
        • Size 5.7MB
        • SHA256 bb8558656018e9bcb1a3356ce518faf8a29909a0f5e318ba9e5cab76d2bd3c9b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrmstp.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
        • Size 11.7MB
        • SHA256 975bb0d6652c40ba1beb8ce09d361be6056dabd1255f6bf861c9fbf00e10a5c2
        • 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 7.4MB
        • SHA256 014d11abf2ac0d1f974fb1c61dec50e717981ed24beedfe82dad192f47b9ada8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        elevation_service.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
        • Size 7.9MB
        • SHA256 1f1b82aaefb06802e7414bdc0c8353fac2a2f68e0968db4d34aef947b5d1c7cf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notification_helper.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe
        • Size 7.3MB
        • SHA256 c345475bea96e4015b4b0ecd0d04405fc2aad97b1ef3bf00b42076fd6dc68a9a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome.exe

        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 8.7MB
        • SHA256 4f9ff4efe6154a37c4cafac9a24680dc3d5630809db9a027078d93d8b63438e7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome_proxy.exe

        • Path C:\Program Files\Google\Chrome\Application\chrome_proxy.exe
        • Size 7.1MB
        • SHA256 ea8055d28ff25f37f5d4094737735847820d875388e0af07b1194f7cceccf80d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        appletviewer.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe
        • Size 5.7MB
        • SHA256 682630c9e684be658626f7a09a75aff025ee3628ef9aff56669dcb522ad42ef3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        extcheck.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\extcheck.exe
        • Size 5.7MB
        • SHA256 8994f0ff3af8325a4108bc63eccbac8036941b1ca294af776415f1da3fce0449
        • MD5 SHA1 SHA512 SSDEEP TLSH

        idlj.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\idlj.exe
        • Size 5.7MB
        • SHA256 60a91cdb9576d7ed4df93a5c5fd16dffabb2ecb7d413a6417a4946e5ffc60ed1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jabswitch.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe
        • Size 5.7MB
        • SHA256 2de9b712d6c66ea93e338e822d9f5409584910b189687424e5227bae7721cf46
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jar.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jar.exe
        • Size 5.7MB
        • SHA256 c563026ea8aa1cb5bc1e37e7f4a378109290ba95d6024d41dcf4ea38e7ec7148
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jarsigner.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe
        • Size 5.7MB
        • SHA256 853d9261365a6f8171c08e4d0d2666957d905cc1335c4bc081a011a28f55ab72
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MeasureConvertFrom.exe

        • Path C:\Program Files\MeasureConvertFrom.exe
        • Size 6.3MB
        • SHA256 e3c244c838769bf06e21b26f00539a88554a2c1b67f175ee7baeb223b01f1480
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dotnet.exe

        • Path C:\Program Files\dotnet\dotnet.exe
        • Size 5.8MB
        • SHA256 8935adb1fed306d2d71458b5aa4d6836ab9f8df22f530e648077fa3a6146573c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        createdump.exe

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe
        • Size 5.7MB
        • SHA256 f60d5d66b4ed7eecc508c3167e8adc44c6b1a43a22a762c3201b27e7af5006ec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        createdump.exe

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe
        • Size 5.7MB
        • SHA256 f2b1ae9dc3e1942035ce2cf656fb90a52994a406e7d909d01f82a9421d52cd7e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        createdump.exe

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe
        • Size 5.7MB
        • SHA256 3d51cb4ec8aaf817e36ea567fa958e77dd8c150ef8829a48a76baee4a93f0a05
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sist02.xsl

        • Path C:\Users\Admin\AppData\Local\Temp\TCD8802.tmp\sist02.xsl
        • Size 245KB
        • SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-08-06_b4c7c445dbd7d4b4327e81fefc1dc10b_cobalt-strike_elex_hijackloader_icedid_njrat_vidar~1.Doc

        • Path C:\Windows\SysWOW64\Drivers\2026-08-06_b4c7c445dbd7d4b4327e81fefc1dc10b_cobalt-strike_elex_hijackloader_icedid_njrat_vidar~1.Doc
        • Size 6KB
        • SHA256 ee6022230f5a3e5591207606ed7b1e05ec669ac27ba802d68ab15cd5035c6166
        • 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 5.7MB
        • SHA256 11ca93b4e624965a3ce27282eb7d3f5ed8db52f46de58bd54c8dc5175963521e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 5.7MB
        • SHA256 d1f3d2422cca8f2878efcc66929a51576b4847bec05280bf8d1094f19d21ad83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 5.7MB
        • SHA256 504720ef4e5c93bd2722f74b60e7173c096564157ee53c9e7ffea8542b451a4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 5.7MB
        • SHA256 5911d6be1c4381bde9a761f5aca3fabfbd2ff035a69dc9d4647f23ccb2eea02f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 5.7MB
        • SHA256 e581f03a7d058859235eb22f2a5dee061570d4b2964edaefc1195ada6998d012
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 5.7MB
        • SHA256 aeb1c4437e1b8702eddf225f7f6a22a2a9382c5e4e79481d2b6a9fa3d5f87420
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 5.7MB
        • SHA256 6972502a2465d989f28da5e8d13ba00e7e1070f537d9d5f4f589675becf00008
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 5.7MB
        • SHA256 71af8eebeba253b96b0f28392c84a53bb2f421f69ae51fe176fad8e1866d0c8e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 5.7MB
        • SHA256 a1ea17ac9453f30a93eff2175faa4b5e6800fe7715e94e6ebbed26172cacfe7e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4548-46-0x00007FFB333D0000-0x00007FFB333E0000-memory.dmp

        memory/4548-45-0x00007FFB333D0000-0x00007FFB333E0000-memory.dmp

        memory/4548-42-0x00007FFB356C0000-0x00007FFB356D0000-memory.dmp

        memory/4548-44-0x00007FFB356C0000-0x00007FFB356D0000-memory.dmp

        memory/4548-43-0x00007FFB356C0000-0x00007FFB356D0000-memory.dmp

        memory/4548-41-0x00007FFB356C0000-0x00007FFB356D0000-memory.dmp

        memory/4548-40-0x00007FFB356C0000-0x00007FFB356D0000-memory.dmp