Analysis

  • max time kernel
    149s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/05/2026, 04:00

General

  • Target
    2026-05-23_830dd39e91abba86a4c4096b6a8ef0ad_cobalt-strike_elex_icedid_njrat_vidar.exe
  • Size 933KB
  • Sample260523-ek6tfscv8j
  • SHA256 1e15b9a305c573592424438b7a86b6623abffd5a0f6a9ed85011c17390b89920
  • 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 2 IoCs
  • 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 30 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-23_830dd39e91abba86a4c4096b6a8ef0ad_cobalt-strike_elex_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-23_830dd39e91abba86a4c4096b6a8ef0ad_cobalt-strike_elex_icedid_njrat_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:5040
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4420
    • 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:2324
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4640
    • C:\Users\Admin\AppData\Local\Temp\2026-05-23_830dd39e91abba86a4c4096b6a8ef0ad_cobalt-strike_elex_icedid_njrat_vidar~4.exe
      2026-05-23_830dd39e91abba86a4c4096b6a8ef0ad_cobalt-strike_elex_icedid_njrat_vidar~4.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3564
      • C:\Program Files\Java\jre-1.8\bin\javaws.exe
        "2026-05-23_830dd39e91abba86a4c4096b6a8ef0ad_cobalt-strike_elex_icedid_njrat_vidar~4.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3356
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop sharedaccess
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:856
      • C:\Windows\SysWOW64\net.exe
        net stop sharedaccess
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1464
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop sharedaccess
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3148
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop wuauserv
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Windows\SysWOW64\net.exe
        net stop wuauserv
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2052
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop wuauserv
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1992
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop wscsvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4088
      • C:\Windows\SysWOW64\net.exe
        net stop wscsvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3748
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop wscsvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2436
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net stop srservice
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:652
      • C:\Windows\SysWOW64\net.exe
        net stop srservice
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1152
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop srservice
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4568
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net start TlntSvr
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4888
      • C:\Windows\SysWOW64\net.exe
        net start TlntSvr
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:784
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 start TlntSvr
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4648
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c net user helpassistant 123456
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2512
      • C:\Windows\SysWOW64\net.exe
        net user helpassistant 123456
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2024
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user helpassistant 123456
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4236
    • 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:3580
      • C:\Windows\SysWOW64\net.exe
        net localgroup administrators helpassistant /add
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:544
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 localgroup administrators helpassistant /add
          4⤵
          • System Location Discovery: System Language Discovery
          PID:656
    • C:\Windows\SysWOW64\sc.exe
      sc config srservice start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2840
    • C:\Windows\SysWOW64\sc.exe
      sc config SharedAccess start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2236
    • C:\Windows\SysWOW64\sc.exe
      sc config wuauserv start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3600
    • C:\Windows\SysWOW64\sc.exe
      sc config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1744
    • C:\Windows\SysWOW64\sc.exe
      sc config srservice start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4392

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 1.0MB
        • SHA256 b5152962ab86e82c36309bc18215b9b7de0626d15d1b2533afd170a007e1c717
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7zFM.exe

        • Path C:\Program Files\7-Zip\7zFM.exe
        • Size 1.4MB
        • SHA256 81b356b4bc089b37dc33d99811142e9830a5a0385bd267d13e054bc7885113d3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7zG.exe

        • Path C:\Program Files\7-Zip\7zG.exe
        • Size 1.2MB
        • SHA256 bff3eeb898ec057eb00354d0229f8c214c44c7ac4634b5ef376fe9f89de97a15
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Uninstall.exe

        • Path C:\Program Files\7-Zip\Uninstall.exe
        • Size 504KB
        • SHA256 cbe7b028da1196fa4ef946cfc5b60984dc9eec237ecd7a0a46ef98369537aea9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrmstp.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
        • Size 6.5MB
        • SHA256 36da4b52363b8142c94b1967f609deda744de9a327d98f6d74e3a43731116155
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe
        • Size 6.5MB
        • SHA256 14678fe4e3fb5178654d605b24a3479ecc0449a825b2aecffb103a949268792a
        • 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 2.2MB
        • SHA256 53946ace2e5ce533add04abc6f547ba30c2d7519f2d5432adf1603eb27db16d3
        • 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 3.9MB
        • SHA256 2bff7c2eca47abe6bb9a1b55b0f745f47f296739eb54d548bcd90f0c445b4c3f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        elevation_service.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
        • Size 2.7MB
        • SHA256 6d46c448728287cc29eb061789f273c56184df49d68143a2f1b4895485dcf077
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notification_helper.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe
        • Size 2.1MB
        • SHA256 1f31def3dffd95a749076243ef87fdf86eec18862f33f547708dae9213898f56
        • 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 2.3MB
        • SHA256 8168d31743bf2535b300553a98e41c08711f477f8afd2964c16c8bc0d2d9b9e4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome.exe

        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 3.5MB
        • SHA256 2ee472c492a7e5365f681f59c23d6a451c744b60a594009f58f225951621ed59
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome_proxy.exe

        • Path C:\Program Files\Google\Chrome\Application\chrome_proxy.exe
        • Size 1.9MB
        • SHA256 95797210d603d1e4e2156d74eb004616c3bcc7160a2d6932ec2acc99a9532d4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        appletviewer.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe
        • Size 513KB
        • SHA256 58d302a7056d55076b2e12eeb04bacae9a3454407c49b2e28f28f921ae1ea83d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        extcheck.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\extcheck.exe
        • Size 513KB
        • SHA256 cbc1c56fbf44051c3377d80423a57951aeb0e44492e395131b22344ac5148a89
        • MD5 SHA1 SHA512 SSDEEP TLSH

        idlj.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\idlj.exe
        • Size 513KB
        • SHA256 90a8b9cfd0abe14fabc16225febce88878f10a893840d37d5ba9731561c3a582
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jabswitch.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe
        • Size 534KB
        • SHA256 bf8b543db9354ed74251a31675c224a54a8e90f82cace024ad79cd01c90cabec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jar.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jar.exe
        • Size 513KB
        • SHA256 767a571327e6eebe2f0781174cc7cee45e9af55167dab373ffbfa6f73c5fadf1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dotnet.exe

        • Path C:\Program Files\dotnet\dotnet.exe
        • Size 633KB
        • SHA256 a933200ffe4afbbe4af9cd3a6a1127220090892fb07a55effd92bc4dd6608a80
        • MD5 SHA1 SHA512 SSDEEP TLSH

        createdump.exe

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe
        • Size 546KB
        • SHA256 392364b50b84662855ccda590d4b96a2c25b11734f6324a97287fe301d5abbcc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        createdump.exe

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe
        • Size 554KB
        • SHA256 343a91b99a366a17388ffbb4c04d0f596429cf91352f7a22074ae67f5896f5c1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        createdump.exe

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe
        • Size 550KB
        • SHA256 fc12837a38d96d29666be613e9eb58600fd2a3ad047a036d20e78eb9a6e11d15
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-05-23_830dd39e91abba86a4c4096b6a8ef0ad_cobalt-strike_elex_icedid_njrat_vidar~4.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-05-23_830dd39e91abba86a4c4096b6a8ef0ad_cobalt-strike_elex_icedid_njrat_vidar~4.exe
        • Size 443KB
        • SHA256 10467a911647d77681726b62eb12685306d715716f4cd6da6b785e7883b65fb3
        • 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 490KB
        • SHA256 10f9d03af41a4e79b0dc49a62e0c1fe226a3d3f7aadaebd697c24e40b4a5d567
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 490KB
        • SHA256 024506c17d739df0615213724c8a0ad5ff1c2c507c7abff8333fd02128b0c1ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 490KB
        • SHA256 7536a5a616be5b6f527d832f160964155f3462873295d9ba3c05248f3e49b7d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 490KB
        • SHA256 db43d768d0a343593f5a239c368f923758cea92f72e3b999cd0b69516803e26f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 490KB
        • SHA256 145a738d7e03e0dc49f88a41935d23cd175bf169397ddea6c22b0c64bd929600
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 490KB
        • SHA256 27c8f591ce7f6a9d4c742b127e8a474614db597ee4f6d9d54786d9b7dc00ad35
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 490KB
        • SHA256 530d2fcd320627ed6314a1f7bfddf5e41032a88459d9b82c7612569648a565c9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 490KB
        • SHA256 907a09da74fef020fe49e0e4d23138f2fe67c0b42080e8966d4dcd804282651b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 490KB
        • SHA256 e10567921434edf1e3e4a612e0f68d27558999f524e364261dcfdc838a384b2b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 490KB
        • SHA256 47c82a9883fe47801f9c2f91b20c2e7799f6390fb69b9c46d54eeb7c3e27ecf2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntldr~6

        • Path \??\c:\ntldr~6
        • Size 490KB
        • SHA256 6ecf57833daa6fc8cc5dbb965ffaa07fd134ba7dabeec63cd85795a0e1b09848
        • MD5 SHA1 SHA512 SSDEEP TLSH