Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2024, 15:06

General

  • Target
    toolbar.exe
  • Size 3.1MB
  • Sample240327-sgspbaef98
  • SHA256 9c94e49f06386735ab62756155ed724470a00066c55056499fee75a3fd503dd2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 32 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 47 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Kills process with taskkill 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolbar.exe
    "C:\Users\Admin\AppData\Local\Temp\toolbar.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\system32\taskkill.exe" /F /IM rssclient.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3760
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\system32\taskkill.exe" /F /IM tbhelper2.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3704
    • C:\Windows\SysWOW64\wscript.exe
      C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\parametrosFFtp.vbs http://www.pequesearch.com partner-pub-6602099248235180:ab2lrqoi99i
      2⤵
      • Drops file in Program Files directory
      PID:5188
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32 /s "C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\tbcore3.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:5644
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32 /s "C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\TbCommonUtils.dll"
        3⤵
        • Loads dropped DLL
        • Modifies registry class
        PID:6136
      • C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\TbHelper2.exe
        "C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\TbHelper2.exe" -RegServer
        3⤵
        • Executes dropped EXE
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1856
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://www.pequesearch.com/on
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3272
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3272 CREDAT:17410 /prefetch:2
        3⤵
        • Loads dropped DLL
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1348
        • C:\Program Files (x86)\Microsoft\Edge\Application\122.0.2365.92\BHO\ie_to_edge_stub.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\122.0.2365.92\BHO\ie_to_edge_stub.exe" --from-ie-to-edge=3 --ie-frame-hwnd=901f4
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2736
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --from-ie-to-edge=3 --ie-frame-hwnd=901f4
            5⤵
              PID:1912
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3488 --field-trial-handle=2808,i,4621512294509789388,1545966267740426092,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1504

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            TbCommonUtils.dll

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\TbCommonUtils.dll
            • Size 117KB
            • SHA256 600f336e90372a148b1460f6feda5f6fb2801c3f54c40584221f2bf5bbb0bfc9
            • MD5 SHA1 SHA512 SSDEEP

            TbHelper2.exe

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\TbHelper2.exe
            • Size 198KB
            • SHA256 d88964c603ea4b607bc5001d0aa986ba54a7a39ea35dfb9c1a43fd7978ec7f48
            • MD5 SHA1 SHA512 SSDEEP

            accion.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\accion.png
            • Size 3KB
            • SHA256 1e50928b4f38b94fc787cf87b150db7d6c4b586c3a6c88bfa221af57de461832
            • MD5 SHA1 SHA512

            arrow_refresh.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\arrow_refresh.png
            • Size 685B
            • SHA256 280dbbf4671d54b64df74e62245a831d8586215bac281b4cfd6f2254d7bff59e
            • MD5 SHA1 SHA512

            aventura.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\aventura.png
            • Size 2KB
            • SHA256 969e284c7ecfc144d23db4bbf382f2207fa55c72f1b0c203b167ee1971897f6b
            • MD5 SHA1 SHA512

            aventuras.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\aventuras.png
            • Size 52KB
            • SHA256 bf888431730831514ba95b68aea0794f4b48ee4daf9508c720992e2dc38ff600
            • MD5 SHA1 SHA512 SSDEEP

            basis.xml

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\basis.xml
            • Size 12KB
            • SHA256 be372ab9dc9de52fbc6ca506187883f18852c15c0a05ae930491570f05f47275
            • MD5 SHA1 SHA512 SSDEEP

            btn_canalesporpais.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\btn_canalesporpais.png
            • Size 24KB
            • SHA256 42960a9d896cdead2b0bd0b756145a0e75f9b5aa446aa04b1c2f3045a80526e1
            • MD5 SHA1 SHA512 SSDEEP

            btn_canalesportema2.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\btn_canalesportema2.png
            • Size 23KB
            • SHA256 58c9107ec09e8e2cafe66598f4779478f52cf480f00326eb08582111129062e3
            • MD5 SHA1 SHA512 SSDEEP

            btn_radio.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\btn_radio.png
            • Size 21KB
            • SHA256 268bb361f709cb3fe98ee0fad0e664a2b9ffe834d4de226940926da3ca298e8f
            • MD5 SHA1 SHA512 SSDEEP

            clasicos.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\clasicos.png
            • Size 52KB
            • SHA256 174a33c867d886f847fc07fcdff91868f8b0bcebbfee4c33b467e71b285735ca
            • MD5 SHA1 SHA512 SSDEEP

            cog.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\cog.png
            • Size 512B
            • SHA256 73bd21e518c03a9904199b19dc0a0b621e0b9fafcc9482e8b9623e05bb4cafb6
            • MD5 SHA1 SHA512

            computer_delete.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\computer_delete.png
            • Size 775B
            • SHA256 8c011bf02c9b01ffcb3398d20948e6dc1b3f2de797a70249c5e7f5bd396a6683
            • MD5 SHA1 SHA512

            deporte.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\deporte.png
            • Size 2KB
            • SHA256 63565024b9d0f8ffbdf50748349702b1ca6055d54c487f8ddb5d57654ba5f4c4
            • MD5 SHA1 SHA512

            deportes.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\deportes.png
            • Size 51KB
            • SHA256 638b0fd9806d253e2a16c511e1a3eda61bb15b834f0a57cb756647da5d216863
            • MD5 SHA1 SHA512 SSDEEP

            estrategia.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\estrategia.png
            • Size 51KB
            • SHA256 b25a1d2ce45cf47fd0b8dd42a5ed7a39c5143b41b040866d2adf1a26ebdfb6dc
            • MD5 SHA1 SHA512 SSDEEP

            favicon.ico

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\favicon.ico
            • Size 5KB
            • SHA256 616e999698be65e4f3860a2520d9e1788af1976680c92f3657bdc75df6bf9870
            • MD5 SHA1 SHA512 SSDEEP

            favicon.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\favicon.png
            • Size 2KB
            • SHA256 3e282319a20a7a0bd80c4f17437edd3832a87d623ba1a37b2ca3aeb976cd48ac
            • MD5 SHA1 SHA512

            habilidad.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\habilidad.png
            • Size 50KB
            • SHA256 b0158c7e84df27580e87fda51b22fbe1e004fc9dc4cf9852a905ead6feab016f
            • MD5 SHA1 SHA512 SSDEEP

            icons.bmp

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\icons.bmp
            • Size 164KB
            • SHA256 8d53c349759199d988f5137d1674f55148a7fdf88a03d937f105e6b57a50cac0
            • MD5 SHA1 SHA512 SSDEEP

            infantiles.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\infantiles.png
            • Size 50KB
            • SHA256 73f7375111e3a0b68098bf8a7505e28d637d309c02d3ecbab4aed30233352994
            • MD5 SHA1 SHA512 SSDEEP

            info.txt

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\info.txt
            • Size 715B
            • SHA256 bdb74ba2a7db4bf1eb0f3f81f6cec66e52e2d189ffd72aac417228cf39f5c661
            • MD5 SHA1 SHA512

            license2_es.rtf

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\license2_es.rtf
            • Size 35KB
            • SHA256 f63dee2f111b8d4a9490685aad7fb81f1bb1f53aa905cdf4edaee85de514eb56
            • MD5 SHA1 SHA512 SSDEEP

            license_es.rtf

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\license_es.rtf
            • Size 47KB
            • SHA256 8e8e2fd737c7f86c2a06960cbecf3c292401aed22e52a91c485808af9a4960cc
            • MD5 SHA1 SHA512 SSDEEP

            logica.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\logica.png
            • Size 51KB
            • SHA256 1a34098333726f9ac55e8344dc14e37eeb45ea88ea088c2250de364e87245f68
            • MD5 SHA1 SHA512 SSDEEP

            logo.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\logo.png
            • Size 51KB
            • SHA256 90c75e57ebeee38a78e5123278041f757176617dc7d0e40b06ca9ef7db51ea5f
            • MD5 SHA1 SHA512 SSDEEP

            logo_urtvbar.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\logo_urtvbar.png
            • Size 25KB
            • SHA256 319dd9d23911379c73bae9a311360fc7d0684324454dac56f0fd326d7ba77e16
            • MD5 SHA1 SHA512 SSDEEP

            musica.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\musica.png
            • Size 52KB
            • SHA256 76e6972a513155ee419e8b071002b462a3a4ae57a503640a62dfc2f94e40afdc
            • MD5 SHA1 SHA512 SSDEEP

            ninias.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\ninias.png
            • Size 51KB
            • SHA256 9565599b7a1c2066ddd08ea152746e1b8a9d3268717ef5925dd7f060add4e630
            • MD5 SHA1 SHA512 SSDEEP

            noticias.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\noticias.png
            • Size 51KB
            • SHA256 186dd343834b103d92f98b9ec6f5a911c69da347107ec75e7a2227bf89e22a71
            • MD5 SHA1 SHA512 SSDEEP

            peque.dll

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\peque.dll
            • Size 46KB
            • SHA256 4a7f7bf7a94c103d4ad308ef3d4de5f21ef263ae265270ba1c748fd7f2102cc9
            • MD5 SHA1 SHA512 SSDEEP

            plataforma.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\plataforma.png
            • Size 2KB
            • SHA256 ffb628e372a8a75698358d4a6bc8f094b677e7e5d01adfb3f824a9ff26238e3b
            • MD5 SHA1 SHA512

            plataformas.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\plataformas.png
            • Size 51KB
            • SHA256 82a61854583623d48900bb64e8ad3b91b2b9fb08adecaa832b22b6b314adb99f
            • MD5 SHA1 SHA512 SSDEEP

            smses.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\smses.png
            • Size 3KB
            • SHA256 2de78bbb04d50552627cc337ac3663f02644a53e3582e588c92e8e52dd68ec8a
            • MD5 SHA1 SHA512

            tbcore3.dll

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\tbcore3.dll
            • Size 2.5MB
            • SHA256 0371791628b1ce5f6ea3134773a06f1766479859439e9bca5d855bee51393ee7
            • MD5 SHA1 SHA512 SSDEEP

            tbhelper.dll

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\tbhelper.dll
            • Size 303KB
            • SHA256 d002d04a0a0aaaaf22ef8fe81e16edf548e57d54744a7b3640d79d80d2159d8d
            • MD5 SHA1 SHA512 SSDEEP

            toolbar_es.bmp

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\toolbar_es.bmp
            • Size 33KB
            • SHA256 f2e74be0f9bb0aefcb46c38adb3660989fd0466edaebe7724a1996b870cc6416
            • MD5 SHA1 SHA512 SSDEEP

            toolbarconf_es.nsh

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\toolbarconf_es.nsh
            • Size 1KB
            • SHA256 7797d14103faa6591656b95a9978ff7b94651eff898af680df2a0748ee79a028
            • MD5 SHA1 SHA512

            uninstall.exe

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\uninstall.exe
            • Size 47KB
            • SHA256 cebc178af1e0f75ee94aa390d161a06856c74593a52a51418dc006428eb73149
            • MD5 SHA1 SHA512 SSDEEP

            uninstaller.exe

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\uninstaller.exe
            • Size 98KB
            • SHA256 7b1f460ade267b0301cb0d9f54971e3ea288ca89a53c3332494eb7d4b70504ba
            • MD5 SHA1 SHA512 SSDEEP

            update.exe

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\update.exe
            • Size 75KB
            • SHA256 1a4d3e8bfeffcef2e93a4d2495c89c0736a4464b202508138da0dacf7093ed42
            • MD5 SHA1 SHA512 SSDEEP

            version.txt

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\version.txt
            • Size 48B
            • SHA256 cd9c7adcfa5adb5ca22b2f8f2fb90b7e0c77bc0fb16d4b2c01d81213d44d3d6a
            • MD5 SHA1 SHA512

            videos.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\videos.png
            • Size 1KB
            • SHA256 e0d8c738fb5fde259584588e776342cae3a1613587e81be153921a3dded47b10
            • MD5 SHA1 SHA512

            your_logo.png

            • Path C:\Program Files (x86)\Pequejuegos\tbunsn80BB.tmp\your_logo.png
            • Size 4KB
            • SHA256 f1f6901c53d9bc846c65ff79486c93c82ecd832912104b76f0e0a049883e0b1e
            • MD5 SHA1 SHA512 SSDEEP

            ver1A0B.tmp

            • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver1A0B.tmp
            • Size 15KB
            • SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
            • MD5 SHA1 SHA512 SSDEEP

            suggestions[1].en-US

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\63P52RXT\suggestions[1].en-US
            • Size 17KB
            • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
            • MD5 SHA1 SHA512 SSDEEP

            v1[1].xml

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PSD5LAGV\v1[1].xml
            • Size 742KB
            • SHA256 075f1f4ec57dcfdbb2f1b60ffbf9efe0286216c43d0a65f82eae86af66b36127
            • MD5 SHA1 SHA512 SSDEEP

            CabDLL.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsr7F04.tmp\CabDLL.dll
            • Size 80KB
            • SHA256 58b29737613b3b916ae6d8ad12790da5cffcf0f354739abfa41bab60a80d40ea
            • MD5 SHA1 SHA512 SSDEEP

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsr7F04.tmp\System.dll
            • Size 11KB
            • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
            • MD5 SHA1 SHA512 SSDEEP

            UAC.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsr7F04.tmp\UAC.dll
            • Size 13KB
            • SHA256 446000200eff4f9c20761ce1680902daba190c81a57154f4917b1741d7800e3c
            • MD5 SHA1 SHA512 SSDEEP

            inetc.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsr7F04.tmp\inetc.dll
            • Size 24KB
            • SHA256 41776a77b4e3bba1c3e70d10b9f560248148b8f2c45d39d4cd8683754112860f
            • MD5 SHA1 SHA512 SSDEEP

            parametrosFFtp.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\parametrosFFtp.vbs
            • Size 6KB
            • SHA256 afc23f0eaebd37f645e9a8f95592b74f3910e1330d8604dc6aa6a0a1002adb56
            • MD5 SHA1 SHA512 SSDEEP

            peque.cab

            • Path C:\Users\Admin\AppData\Local\Temp\peque.cab
            • Size 1.8MB
            • SHA256 8c1638dcfabc1ace9f40c74295b4c4b7ee4863e196e607586013a6f8cf77f59b
            • MD5 SHA1 SHA512 SSDEEP

            memory/2668-456-0x0000000004FE0000-0x0000000005271000-memory.dmp

            memory/5644-425-0x0000000002EE0000-0x0000000002F34000-memory.dmp

            memory/5644-434-0x0000000003060000-0x00000000030B4000-memory.dmp