Analysis

  • max time kernel
    200s
  • max time network
    208s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 11:33

General

  • Target

    9a47a9bced29fc5d948e5487ad5485d957d303451b3d145a91554a77cc07b6d7.exe

  • Size

    250KB

  • MD5

    92d14dab00fac75a6e5f0d0db1026508

  • SHA1

    e55a96d2a46747b57a744c01c9ce85094e9ade1d

  • SHA256

    9a47a9bced29fc5d948e5487ad5485d957d303451b3d145a91554a77cc07b6d7

  • SHA512

    33aefe9a757bd6f6ed8197e27086da62c5e7012673c97860f407ec96af422b386afcc44adfaf83fbf1a469c0c4ea02df3242168fb27e2f269b4c1e6864387aba

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5Mh9YZu1ADmILDV76zckQFEH1:h1OgLdaOMh2Zu1ALV+/QCH1

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a47a9bced29fc5d948e5487ad5485d957d303451b3d145a91554a77cc07b6d7.exe
    "C:\Users\Admin\AppData\Local\Temp\9a47a9bced29fc5d948e5487ad5485d957d303451b3d145a91554a77cc07b6d7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Users\Admin\AppData\Local\Temp\7zS75DC.tmp\506f2f4537375.exe
      .\506f2f4537375.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:748

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Bcool\506f2f45373af.ocx

          Filesize

          151KB

          MD5

          c78c6140cb88ef4dc94f999291bb5ab1

          SHA1

          65b47ed5ec889e0e558c79a13a81193fc59b8ce9

          SHA256

          6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

          SHA512

          ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

        • C:\Users\Admin\AppData\Local\Temp\7zS75DC.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          6a3a0bf5959ad66404de4d327c3303f8

          SHA1

          f9bffe435e67f66d15bb88f8dda5c2524e55b8f2

          SHA256

          0bba9e523e12b2c40b0a3e21275aefc3b56c9a572a1a6e316900f0a7e73197e6

          SHA512

          284d096dfebe2e90d2b17b8474e2c0dbccdeedaac66cbcf9d9c0930caa537e1e219a99480187131c1aa3e1cc1572303b780be8f8f8d409edd41749ab2353da91

        • C:\Users\Admin\AppData\Local\Temp\7zS75DC.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          657df0b2f6c480c147b68fb296b54d4c

          SHA1

          eb23665794c86ca4b018c0351f608c66f722abed

          SHA256

          67903ffba0748118e73b8ed2a1b8dd0122169f8b67c3a2e4b467249ee5abb47e

          SHA512

          2110faef140cc68c12db8e618463105a25a8e0ec2e2ee91ccda7567d4ec63955118a4c54a4e85f1191ee720b03ec50e224315a3e862b795ded4f0d31f5ba9b51

        • C:\Users\Admin\AppData\Local\Temp\7zS75DC.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          fd09608fdeb5b2e9aa94b950cf638257

          SHA1

          074de9b3f1214637721f93c6633b45d32756eb0e

          SHA256

          04f7ce8c35dbacb9e7ab1d610f396f617ad4e0c503001f1433b0b00cd0679cfa

          SHA512

          c73e99492210358198736f1230448d59c4152355e2eb2f7d397385144ffc21cee798755e3105c5ef8b117885ed1eaf7be29870af4ac46ceda54f14fec82f4c37

        • C:\Users\Admin\AppData\Local\Temp\7zS75DC.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          5bc4020f9c74b7e4b67ec6d2863386d8

          SHA1

          daf79c74dc8565c55433125d4427457d861ad40d

          SHA256

          412037accb5be3314ada551be7535c382207a3f861b78e806774c33ab1d1d80f

          SHA512

          4a6252cd205064010e3e13e9525a09251032f6afd11a20d88d2ec825b7c9991a01a2d5729917786598640129434efb3a3851d0259f7da7f2f38a0dce78011deb

        • C:\Users\Admin\AppData\Local\Temp\7zS75DC.tmp\[email protected]\install.rdf

          Filesize

          700B

          MD5

          068eb72e47899891c474df15b7d6b9c3

          SHA1

          66f90de7bff479789454d935868a8541d1757c87

          SHA256

          baf389ae117437c938458ec6377e739aaa3036fac57838fcc94fde198b5fb32f

          SHA512

          7a80cab960057cdd75f13f826647d4afe6bcc6c7720418b7d312d48bf8a1eed7f3e6ff1db1e7c465e5f8fb7390574e491464c5d83b7f728fe5c5d4e80d66a2d9

        • C:\Users\Admin\AppData\Local\Temp\7zS75DC.tmp\506f2f4537375.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • C:\Users\Admin\AppData\Local\Temp\7zS75DC.tmp\506f2f4537375.exe

          Filesize

          65KB

          MD5

          4ccf1a317aa8539c857835e4ebe9c806

          SHA1

          223b73d09d7398f40aff3ccc569e66cae3886ee9

          SHA256

          4529889c5575cd4e28b3691f0489c806442840292a9e459ada4dab3e024cc242

          SHA512

          ecab68799b5a51c7d2a3735a9b3c17ba20a315618aa9575a5b02d5d4535716966031a26982012669f069dbfd8a6ab62f95737b7c402bf680f3a498900f627312

        • C:\Users\Admin\AppData\Local\Temp\7zS75DC.tmp\506f2f45373af.ocx

          Filesize

          151KB

          MD5

          c78c6140cb88ef4dc94f999291bb5ab1

          SHA1

          65b47ed5ec889e0e558c79a13a81193fc59b8ce9

          SHA256

          6cfc7fb43715fb13c53ab2a29b68f3a0a0f285c85d1b1443f2c5e73526646851

          SHA512

          ac8865cb1bec889ba493cad3f4c4bac87bfb2fdb15c518626ffa5f8ac6799a6f5c84f358d3e7d35824d6aba29af46c1078acdf30c3bd93981be61312baf6bd26

        • C:\Users\Admin\AppData\Local\Temp\7zS75DC.tmp\506f2f45373e8.html

          Filesize

          4KB

          MD5

          d119ad5088bf301c2298a889e7436cab

          SHA1

          7ee8caba59ca0fd8dc45a03b513693e5b271c7f7

          SHA256

          0e02be1e59b3ce3d2819c54765465647f6ed721ee62b028d7e72bea4a9aa83f9

          SHA512

          0325437efed484df0f8c588dce4a91eaf592633c83ebace35cc8d98573f00b1af31f0c86214d6c03286b65a274bb52a72d92a2eb127aa66a1d0591d840defa88

        • C:\Users\Admin\AppData\Local\Temp\7zS75DC.tmp\506f2f4537420.js

          Filesize

          9B

          MD5

          99fa5d714d971a49b67de27e0d8871be

          SHA1

          d0621e846ea60fa8d0b2c8e622e495af49cd7359

          SHA256

          f560d76474380da948a0c5ab8682dc026822d9685268c592f315224b1b968bf6

          SHA512

          2fec19e4f2a974227922a7e057890141523ae73fbfa127f9e8cd00dff71b29abb93cb865c6d74ecf3df8bca440c558d4fbf2f80e82cc9636320ab5edb95ebad5

        • C:\Users\Admin\AppData\Local\Temp\7zS75DC.tmp\njdadpgohnkohmjdadcebeooolpniifd.crx

          Filesize

          7KB

          MD5

          6191a82096216006e0d26916cd37f145

          SHA1

          a267535e7b7bf75568fa452e47133373aa2c2f6e

          SHA256

          b042d38ce630f759491e58ff20b4933ee2b136c2bf7271cb4e59459271d30ffc

          SHA512

          81462200477e87fba50caad9c68b44db8b7d6ed70b5b5db30b8b726e92637d03d46cd5a8bfd3bd79bbf53a0013d63426cb527c411723b356a60d84ef8fbeee3a

        • C:\Users\Admin\AppData\Local\Temp\7zS75DC.tmp\settings.ini

          Filesize

          882B

          MD5

          36ce4ec6c654dcc2a41737f00e68e6a5

          SHA1

          de64a5047722ddc82c51103f58d308374b7e43e3

          SHA256

          e9f77e41fbe4201334b806536221522fa02d87b9c46ef5432237f83b4674a832

          SHA512

          c1762f17e6b33f2fed57635345598fc987e9d605835332c1376487b184be3410881493b09feffa507dfeff2137e34c6c6e7a1a15b44a73646213a2f6c41bb810

        • C:\Users\Admin\AppData\Local\Temp\nsj28B2.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          7579ade7ae1747a31960a228ce02e666

          SHA1

          8ec8571a296737e819dcf86353a43fcf8ec63351

          SHA256

          564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

          SHA512

          a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b