Resubmissions

20/07/2024, 08:58

240720-kw9x5svepj 7

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/07/2024, 08:58

General

  • Target

    5fd5796389944ae0f6b9fede3bbf58f0_JaffaCakes118.exe

  • Size

    281KB

  • MD5

    5fd5796389944ae0f6b9fede3bbf58f0

  • SHA1

    87ccea40c5c84f14c12dba64acf2cd376b7ad479

  • SHA256

    40ce851ba571d1396bb5a6127e725f76b49893f5b8aecd1055ef1907b3a4448b

  • SHA512

    0b0d0c923fbc1cb0b285a2f6e6ac322e6ef034a837208e67bd7b4db9b7e4f313dc511dc146e916bc4a0515179681b680601b02cd3fb86fea2d8fc43fe30e7ece

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4sER64YaZXpkvXjiA1wghRZ:91OgLda1R64YGoWAv

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).

  • 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\5fd5796389944ae0f6b9fede3bbf58f0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5fd5796389944ae0f6b9fede3bbf58f0_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4640
    • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:3628

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\DownloadnSave\uninstall.exe

          Filesize

          46KB

          MD5

          2628f4240552cc3b2ba04ee51078ae0c

          SHA1

          5b0cca662149240d1fd4354beac1338e97e334ea

          SHA256

          03c965d0bd9827a978ef4080139533573aa800c9803599c0ce91da48506ad8f6

          SHA512

          6ecfcc97126373e82f1edab47020979d7706fc2be39ca792e8f30595133cd762cd4a65a246bee9180713e40e61efa373ecfb5eb72501ee18b38f13e32e61793b

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\[email protected]\chrome.manifest

          Filesize

          114B

          MD5

          ff381ba6257be370eab9439c625d5fd4

          SHA1

          08e37b58018ed9ef2dfb89beef9b3af4571e0882

          SHA256

          76625bd8e3ad2bd400e8b58a6275d5958cb3f3ba36f80726025a5954b3128235

          SHA512

          e11dd3554133badf644b383284e93793862b1770ac9bb9a0f12955c4fed66f067ba014973dd00bf04f60426708c412d923ef1f929a78c1ad8b9a1bf8016eb1e7

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\[email protected]\content\indexeddb.js

          Filesize

          1KB

          MD5

          dfde705b457561c898cf29879f43ef8a

          SHA1

          67b2820828cc03b98316c91ec94ee39d2c8756c7

          SHA256

          2e59125f02b4545ea561ac8e3e9ceff9297756c12df47235b214916cee789d37

          SHA512

          928f51ea45cfc4dda371b6df60186563ce6b2bd49a29b9e8862f7458f7a041e7837577922fc7d2c2ad2dd7036f80b6854065a3506c4344bda9bb029ddb201324

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\[email protected]\content\jquery.js

          Filesize

          91KB

          MD5

          4bab8348a52d17428f684ad1ec3a427e

          SHA1

          56c912a8c8561070aee7b9808c5f3b2abec40063

          SHA256

          3739b485ac39b157caa066b883e4d9d3f74c50beff0b86cd8a24ce407b179a23

          SHA512

          a693069c66d8316d73a3c01ed9e6a4553c9b92d98b294f0e170cc9f9f5502c814255f5f92b93aeb07e0d6fe4613f9a1d511e1bfd965634f04e6cf18f191a7480

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\[email protected]\content\jsext.js

          Filesize

          6KB

          MD5

          a60f224a2c7d68a67d53a2cdd4bd524d

          SHA1

          2cef43519295aa8d742633a7d56bf3feb67fa66c

          SHA256

          aa86c80019b2313db6b959138fd003c60e574009fd352194991ae43ebfc1b8a2

          SHA512

          f3641ca40a55e0c859839787a3cba79d305ea9ee2f72451a47dc17bf8a6e740249ccae21502ca619ab9d9f92d13fa423c5cf904561f697835d59b42fbcbc2638

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\[email protected]\content\lsdb.js

          Filesize

          1KB

          MD5

          9c0b9174aa570e96407ceb5bccc887a1

          SHA1

          024f9085edadf07fce6aa81cd1e26ebc20343faf

          SHA256

          9a89eda245bad14d6ef62e6085ea51a0bd556e4053a5a84e29162392d44c5332

          SHA512

          ba469e39b32678f37e1d62444d7a5c2f124da1de3d0e4d76fe26bb318ccb4e55b7d7e4c0f75d6fd3cc0e7de00b2032af85db6e9f02ae3d8f7c43ac34e044df1d

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\[email protected]\content\prfdb.js

          Filesize

          1KB

          MD5

          3306f18f05467d04e7ebd337ee71381e

          SHA1

          0412f1dbc20be1f6beab630494b76aafd7020709

          SHA256

          e5f339373377dbb53713bbc46f58aa484fbc870c0dd48f84dec637588b911ada

          SHA512

          9c5af68a28d4117b0aaa1a3fd89de77af616ee2978fccd26a9f8448c9d8d331a3d23853b3700b61f8f50fa94ecdc5a02b25e3de84e3e0589f85190e9a1b3aa00

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\[email protected]\content\sqlite.js

          Filesize

          1KB

          MD5

          514d3c6d93fea9565f76bbf2a930edc3

          SHA1

          7637e1aa43717aa88e3e688d000e055c62ee72c5

          SHA256

          227f6939cca0d48fb11abdaf838c93bab7a5283bd5958e0c58f547547d8ebc45

          SHA512

          5551d41c265230df02d4488982b3c73f5fe6ea0dc242b1d806e88c189a3e3fd921fc0e045fffc7d8b3df17de401e528076fdf7011d387aeaefeee35b0a7567af

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\[email protected]\content\wx.xul

          Filesize

          228B

          MD5

          5c01e014adc519c3d1f1f32652b8ad25

          SHA1

          2c96923ee4aaa0771af78e22d1f48bd0760d7462

          SHA256

          0633b47f6f41acbb18bd55a2fa379a451aa1da0640df41a547e2a306d67a24eb

          SHA512

          70598778a6fcbe5b9533f54f799ea49cf309bc94cc53370f0fff20a4e22a15dbaf8c7581d17303c6cf9bae52ca6a50e54f317e1f93602b361e5ab12543f55941

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\[email protected]\install.rdf

          Filesize

          683B

          MD5

          5edf4a54aeec5e246156cadd46b5636e

          SHA1

          d5923981fcef856b5d7f26a4b1bb9e95477b237a

          SHA256

          8177b363c83e6e9776127df62dd3690deaae202d6437aa9ee792f8d198735a8b

          SHA512

          9be43172ecea4f867804766ebfa5495d529fab669bbfd6a22a7ad28eb2e7e11faea20f20d2eac231272aaa11b87f9d94e84909aba414715b9912cd3d3eb219ce

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\background.html

          Filesize

          5KB

          MD5

          6994019dd547c1f42d2050288ee00713

          SHA1

          a8a8e8e8fbc22cac9efe22da0f71426d81cae84e

          SHA256

          7681bd67e2eadda03433b7b1318b06844cd9781dfe9ab9e6934c8b3af877f054

          SHA512

          b739adc7a84cf034a076686ae376920bd64fdf0df473069595f26475af4eda9f5756a0dcf91453aa7a0b48806e8d921c6820483f3cb4208784285cf583cac3dc

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\bhoclass.dll

          Filesize

          139KB

          MD5

          4b35f6c1f932f52fa9901fbc47b432df

          SHA1

          8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

          SHA256

          2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

          SHA512

          8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\content.js

          Filesize

          387B

          MD5

          852f1b969dafa0afbd319ec23f818255

          SHA1

          caac461c62e217763f438ee3d7f1a5151272e28c

          SHA256

          d3ea1e47e5310f31c031264a18a603e1103e3072c86ee362612567adcdec40fe

          SHA512

          2d7dc35364d5c1f39aac89475ec3071b8eb0bc89afa0e47409c6ee1665f098707b22301215799f4c4c4a5bd205e9ee9d7343cae0353a8b38552ae6e347f21414

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\fncobfikdipnblaalcghfeedeagbnfmn.crx

          Filesize

          3KB

          MD5

          53283d331b12fdfcb13d8702c6f4d194

          SHA1

          86d5a30a28b123a36fcd9950688c8f98d65e16c2

          SHA256

          d2dae201b32e6cf60d3a6f994bdcbd8feba738f4422dc94a36a47ccb5a79f9c1

          SHA512

          4405033ea0da50f1a8c510fd7c02d31782e87c4d697b60cbffc47438efdc8272814bf33668e1c132c991294ec2cab9abdac1e32d955ac5d928a453360f9f711c

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\settings.ini

          Filesize

          675B

          MD5

          411ec3d415422613889adf6b4d5bfd89

          SHA1

          fc4ec5e75edb94b0f790cf3dc1edb1f9978ddc6c

          SHA256

          da20b446de13176e1b8dd9b2561a78a813d1f2750dab5ef8e97d31889747e51d

          SHA512

          d5da571f994ba1551b834cb3c52104de966a23bbff1733304bb11036a0b6549ac191384eda746e9f3768b9fb783ae9caa479e7c4b521f4f4e2d6550047f8f3eb

        • C:\Users\Admin\AppData\Local\Temp\7zS9143.tmp\setup.exe

          Filesize

          61KB

          MD5

          201d2311011ffdf6c762fd46cdeb52ab

          SHA1

          65c474ca42a337745e288be0e21f43ceaafd5efe

          SHA256

          15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

          SHA512

          235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b