Analysis

  • max time kernel
    93s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 00:01

General

  • Target

    71ccdc7632c77e4b6232e77b525dcfe3_JaffaCakes118.exe

  • Size

    252KB

  • MD5

    71ccdc7632c77e4b6232e77b525dcfe3

  • SHA1

    0b5017d8da53d5e1c34f3f1b765af854126368b0

  • SHA256

    2bfa6ddcd7bca2cbbb04ac961e67636b1011cafb071584af6ca673d2852704ae

  • SHA512

    035477ac3b5e621b470dd82116f9c03768fafb8f02389456259f6edefb70dd25210b7982552fe8400cdf8271e9d0f2164c2a3f3101008989f2b6c24d28c386d3

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4s1syQzRnYg6YW7dwhK+R8:91OgLda+syQzRnYJYO

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • 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\71ccdc7632c77e4b6232e77b525dcfe3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\71ccdc7632c77e4b6232e77b525dcfe3_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Users\Admin\AppData\Local\Temp\7zS8B29.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • System policy modification
      PID:3824

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\wxDfast\uninstall.exe

          Filesize

          46KB

          MD5

          45f32f2d141605cb66c95edee216ae77

          SHA1

          e28c8e062cabc82ba63e4a42c24c8b0404df97be

          SHA256

          f232d82b6513742e6740d8625aedc6f61472510f23098e257a8eefb481e8307b

          SHA512

          e027b4bc7fa112cd8583e1e59828bbf376709ef1323da2dc01b8e10b613867ae95d3cfaba6f67b86b46cb2fac3fdee9c222a667427d0ffaac76da4a38a63a335

        • C:\Users\Admin\AppData\Local\Temp\7zS8B29.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          b9165e81934c746e3a33afc6bde86143

          SHA1

          ce38f37d26d5fa6309f4d42cbf470bc4a884b100

          SHA256

          3edbe3448cc74e7862db06fb08a8250c044a6aadbbea35a365560080eaaa3624

          SHA512

          fab8731e561554bf3ac4a32950a4111d3bca7d9223727ed6eccca598777bd697606a11f658eae3d28f6dae16faf40fda7387d0e25cd8f3cb750c871f77178bc8

        • C:\Users\Admin\AppData\Local\Temp\7zS8B29.tmp\[email protected]\chrome.manifest

          Filesize

          116B

          MD5

          191f4dc6776363d2a1b699baf06e01dd

          SHA1

          9c3fe2dae92b9fc31cf7ead3c2731ac4cc8f1f68

          SHA256

          88c4c5ccc51a2b8ad5acaa229fe821247a0d33eec238d71a752777c1fe3f2b4d

          SHA512

          4bfa14d750ed343fc0c89802676e99237bdd0f3f14cea7e1acc3a7468e815aea3b5b0b5131f0a7a860e1dde7f940e3a27ca3384e5e0bf6893725a55a049c72fc

        • C:\Users\Admin\AppData\Local\Temp\7zS8B29.tmp\[email protected]\content\bg.js

          Filesize

          8KB

          MD5

          bff2062014f1931443180796a41a40be

          SHA1

          6688722f22b84998998e8de481cfa949ab513140

          SHA256

          d93c56a9e357ddd282bc26e8dd08e79a9c9cff6565a6f0df3275db4210bf917a

          SHA512

          17cdc198d3dcbd07e520fe2ae044f89a3250d4518623064de5a47cd04a1b23b494d6f7bd3debf3555018111c440c879470730bde0c56f78515f1d632585173d1

        • C:\Users\Admin\AppData\Local\Temp\7zS8B29.tmp\[email protected]\content\zy.xul

          Filesize

          225B

          MD5

          bc56d88e0b52caf9b064c70323cd1a36

          SHA1

          aadfd6e705cd9bffa4e824e1fc255cd2aa9e031a

          SHA256

          7f6e706b5189e34cd911b80382afd66a70d6a82e1b3864e7659fbcf95b059c20

          SHA512

          6b32a9cca523132172d22c0202ec8fd7de2146b8a11db01fd140919302e4274ab0b818032c059eaef6412b5cbb5091566bbce7009db1720cf9116efb3c97cc38

        • C:\Users\Admin\AppData\Local\Temp\7zS8B29.tmp\[email protected]\install.rdf

          Filesize

          714B

          MD5

          b557b1b438b81a828c7fedd8aefa4a57

          SHA1

          75514ed10bc032932b8adc0c6205dc2eebf35e1a

          SHA256

          b065dfd4ba688c3d7298ebdec6d34f31af6f29d8106bc613769536bd880668dd

          SHA512

          54619c087175acbdbc374d893ca38c1d15bd5d7d12f391a3ac4a466eec189a07de6699fe34fc17ee86cb887419893fc4cca69faa42c3eae59a5774b3eae05411

        • C:\Users\Admin\AppData\Local\Temp\7zS8B29.tmp\background.html

          Filesize

          5KB

          MD5

          abc8550908466a26026f568b1d878ce3

          SHA1

          4ea51acdeda4da54d5e0904d24508d6e21187892

          SHA256

          ee3f97735146636c94f4ae7a2b557d1e25ffb290d6e85071cc357b10576746b2

          SHA512

          cb65df5fa9a468807d64cd9f9be0370d8c4eab1681eaea4f370ee4d86859d6f31e6138c8b2b228136cd3aa9d4238e75a1572ac27e3a185835d88f0874dddc95d

        • C:\Users\Admin\AppData\Local\Temp\7zS8B29.tmp\bhoclass.dll

          Filesize

          139KB

          MD5

          4b35f6c1f932f52fa9901fbc47b432df

          SHA1

          8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

          SHA256

          2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

          SHA512

          8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

        • C:\Users\Admin\AppData\Local\Temp\7zS8B29.tmp\content.js

          Filesize

          385B

          MD5

          12e0bd16cfc735e8b3498ae89ded9e22

          SHA1

          ec5cc0ea292a8c5a18dea5a38ce9c131a1a3c5bb

          SHA256

          39deb376b2bbf9fedffceeb08834f4ef919a527bd803901aaf6a0d48c87854ca

          SHA512

          604030a399b8b1c728f0f79c7d7e4ab5e728356af905ca70d822a1673d379ca9d508827189e8bd2705dacc2100b7cf75b7d7e85860c7277b4d622afe73b9d3a7

        • C:\Users\Admin\AppData\Local\Temp\7zS8B29.tmp\jabhmekefddepdipineemepgclncoink.crx

          Filesize

          3KB

          MD5

          c249d54b318bdade47e31185cb9d1995

          SHA1

          9225788bf23bd9e3f8928d577a793f2bb1fef1b3

          SHA256

          3f6f5ad889b90942fea390c54331b3b1ad6b0dc6fcc0955f959d783eb97e9371

          SHA512

          17df4cd9283186fd10fd94531644fad42418129e40d0a577e861de5f16290748ee7f5d262bf9fb907db43f4be4bde25ea1fab1b71169934b2204b93192881e1c

        • C:\Users\Admin\AppData\Local\Temp\7zS8B29.tmp\settings.ini

          Filesize

          656B

          MD5

          3b5b19479894041e394692ff8ff41a3b

          SHA1

          8e32cedc8df9cb314ff90ad6453e3c3dbda0ace6

          SHA256

          57782c69c7f8a0e2b0035641c90d0ca57e2cd1d1c24a2715b588695015fd5b39

          SHA512

          09baf1d734d9c0ab07fa60c5e80ff8b84daa7b87afee622be1274e7472bd7b6ee66bc8494c435cbad85a07b2be65dcc59b7942f5a541d3e3450e4ec07e662792

        • C:\Users\Admin\AppData\Local\Temp\7zS8B29.tmp\setup.exe

          Filesize

          61KB

          MD5

          cd2d40179a1bc21d4d07fdc2194f573d

          SHA1

          1a5ff868d8c09cb19d77f54d9e56d7873d48ce87

          SHA256

          9a4cfa9c3eb0a5827c5a7571ebdea733890013381ac2e3914db43e9bf798240b

          SHA512

          4cc2291ffde86f7732b70202a4eb60b22f6b38c4d134d194a122702c8b6a4a50726d0d9e86f6a4edc186e6819573eb9a5003e0eef1ab860cb79c4f378be072e3