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Analysis

  • max time kernel
    141s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    12/07/2024, 00:01

General

  • Target

    3b3e42f54f1c8bfc435401065ea54ee6_JaffaCakes118.exe

  • Size

    5.0MB

  • MD5

    3b3e42f54f1c8bfc435401065ea54ee6

  • SHA1

    2673f89f2aabcff2f06b92351fdc60483d0cbd01

  • SHA256

    48eb9af9a850ed388a9052922101114f8f7f0c90579cebedea75f6a99277c6b6

  • SHA512

    e5c5498bc163db651ff589e62211219330375f23fc69e93cc5416b845af3c200759526c096748ebb5f7e6c83a64fe3675bd28ab027ab8edc29aa7031c0fa631d

  • SSDEEP

    98304:Ni4Wkp+/yJcqpDhnzKyyGnIz6pl5kQ/um94iiRq6Fb+KN+UL:Ni4Wkp+/2cqpDhnWyyGIz6p/kSum9k+v

Malware Config

Signatures

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 37 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 4 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 2 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 28 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b3e42f54f1c8bfc435401065ea54ee6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3b3e42f54f1c8bfc435401065ea54ee6_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\PROGRA~2\MYWEBS~1\bar\1.bin\m3SrchMn.exe
      "C:\PROGRA~2\MYWEBS~1\bar\1.bin\m3SrchMn.exe" /m=2 /w
      2⤵
      • Executes dropped EXE
      PID:2292
    • C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwssvc.exe
      "C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwssvc.exe" -install
      2⤵
      • Executes dropped EXE
      PID:1968
    • C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwsoemon.exe
      "C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwsoemon.exe" /d
      2⤵
      • Executes dropped EXE
      PID:2028
    • C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwsoemon.exe
      "C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwsoemon.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:2492
    • C:\Program Files (x86)\MyWebSearch\bar\1.bin\m3IMPipe.exe
      "C:\Program Files (x86)\MyWebSearch\bar\1.bin\m3IMPipe.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1768
  • C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwssvc.exe
    C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwssvc.exe
    1⤵
    • Executes dropped EXE
    PID:344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\MYWEBS~1\bar\1.bin\M3SRCHMN.EXE

    Filesize

    24KB

    MD5

    7d82378e11e4ea4bd6b5af002be024b5

    SHA1

    f5dbc7a173883370f0c468c796d9f216384a9bb4

    SHA256

    e626e746dce6578fe38b3f81f7a7313260d2efabbb3eb43376aced8c736363e6

    SHA512

    f50710ceabf3dd047157c92415402a49841d21584d3b71d2ef406e795355ee1d8c44f76df60c730f180f89260ccfb831555a9e940ae7664087cde9d6dd3622a9

  • C:\PROGRA~2\MYWEBS~1\bar\1.bin\MWSSVC.EXE

    Filesize

    28KB

    MD5

    319f6520eeace462c0fbfeb6ab400332

    SHA1

    f562a0eff8f7d5540efae723a3a33cf3271b1eab

    SHA256

    12b9e0a23af5f0cfb8d1bd0e33b305972c0d34e936d29acefbb82ec3f005d990

    SHA512

    3864f2c2605c22235008d896724b64dbeeb14c5593d19cd9a8770856d27d66bfd56ca87142f6cdebfa6a60e401966cba5147db4e0864c7b10caccca8b85fc1d6

  • C:\Program Files (x86)\MyWebSearch\bar\1.bin\M3IMPIPE.EXE

    Filesize

    16KB

    MD5

    fff6063f3245896a084068cd5d8250fe

    SHA1

    6494f541d7682c5569a1c7da498a4a607a003f13

    SHA256

    7d8f66bcb0c92887cd18df770d2a68a8592204c1d1c82e6f49a7684f95c531c5

    SHA512

    9aff4820b4eedd11ea146bbadbc5edc4a42803c8738d5454751f36e0b44d0202962da6cbf4287c036d638070166a435eba8108c6afb95a4a3e88f97225c78866

  • \PROGRA~2\MYWEBS~1\bar\1.bin\MWSOEMON.EXE

    Filesize

    32KB

    MD5

    9abbe6f791c0b599a7128c9aca27c094

    SHA1

    ab86ada4fc136255edf950b9adf3d380c60ebd8d

    SHA256

    16bf4998b6073e258661d52810a79ca7f90f951005434ae8102350b094697948

    SHA512

    fba34cf1c750a35a69b011855e35542e1ad86ebf87e396d813c4bfa5d243c43ada78ad6a668bd7d6184cf47bc428ba122562ed0552260a5696bb67153e024fa4

  • \Program Files (x86)\MyWebSearch\bar\1.bin\F3CJPEG.DLL

    Filesize

    136KB

    MD5

    acb88f31279e312f633b24f48f8c0808

    SHA1

    742a35c7d3cedcd0eaf424b35fb5e861643210f0

    SHA256

    3a52298814e576ae90c5108651e9871dd351fbfd29bfb9b32820fd80cf5c8b7d

    SHA512

    6fd46a961deaa86e7bb92cc221a080bccbb0d35ac20d43c16ce6b5e283b0d6733654c9f6ccf3d0f3c0c2466ffdd38c5e088e40d1f332e2cb01f28b429a2d180f

  • \Program Files (x86)\MyWebSearch\bar\1.bin\F3DTACTL.DLL

    Filesize

    84KB

    MD5

    e651be4f6e4dcd99aa66ef80c5cdd28b

    SHA1

    553b35576446475c5e1ca2549354a611cf3fb8fb

    SHA256

    3e5a4ba558f1ddd8ae007c4d7fc366159160d60090b0f818b7c6b7cbecbd5856

    SHA512

    c198797043a06e66eb8c3b5aae81d81c0042dab04d6d62d1ab651c92fa7734877003257ad9d30f52a4a65c71327eefe7087bfc6dcbdd65ceb90922755c7054c4

  • \Program Files (x86)\MyWebSearch\bar\1.bin\F3HISTSW.DLL

    Filesize

    272KB

    MD5

    807d3213938a474995cc69eb73e86de9

    SHA1

    9d20a21f10e9e31afcc580650aa965e3ff7c6d94

    SHA256

    c86a3e4e7531ffefa5f8b858af674fcf69460100e02209bd38462ee6a8c89621

    SHA512

    dc3c69ce4e345891ed7947faf10ebf23a833b5ed7908ff8d7f472eb475e58d7441c83cf479bb8ac16ff5ebced7fc9d8498085fec0dc13a4fd3274c7abe93c02e

  • \Program Files (x86)\MyWebSearch\bar\1.bin\F3HTMLMU.DLL

    Filesize

    156KB

    MD5

    61059f5398a9c44d7097be901bb83096

    SHA1

    9ad5f60105a1bde49c9b915cac7e804f33ee3982

    SHA256

    af64833ba30552048cec1dcc941a1749a16054ed69957812c91a97ace2892d40

    SHA512

    34ad2e3c22afeec2de46a0f0e94d1818405929feeb7e4bb5dabb0e136b57e8b6a38d09215cbcd5c0ead8a349122454919a49e46641d1a903193d64da15d44cbc

  • \Program Files (x86)\MyWebSearch\bar\1.bin\F3HTTPCT.DLL

    Filesize

    76KB

    MD5

    b99d34088590a1f7ebe7d29c5d277dfc

    SHA1

    a8f14e7e82ca9f5e769e73a48a1b5abb76015733

    SHA256

    226049c2cd2448a484a62c36593b44fab204a617c1ecc0dd21ec10d73b23afd4

    SHA512

    e3bfec112c4d726305bf6998b996a6213c04e7df3e90dc8baddb263dc90ceb350fa8f964e133eb1e5a387f6394a2bdad4afc82ddb2f2a3c54ea865d8b954fdbc

  • \Program Files (x86)\MyWebSearch\bar\1.bin\F3IMSTUB.DLL

    Filesize

    28KB

    MD5

    1375586480385cfdd91a0f27b2e28f3e

    SHA1

    511defd57d3b3d083697039b7cab9d1fff1f3c72

    SHA256

    36f6ecf4ceee2a36cdba179cddad42e8dbaae8d8346c87e66222324ea2f1708a

    SHA512

    29a761052d256f672af4518494938b9616816d2350da6c00b28b0ee135c9078e6557e535fbbf1a6404ed29df619fd549348c05f2924aea6d461399d3be7843e6

  • \Program Files (x86)\MyWebSearch\bar\1.bin\F3POPSWT.DLL

    Filesize

    124KB

    MD5

    40f5c8587253ce8f534e53b0bd7bd8fc

    SHA1

    445b42bb7bdb14ebb75440a1e8e3d279bfdcda62

    SHA256

    f8b3d92ec5fa8120b37bcbb1a328f55c2315ffffb71a1eafa4edf653d1059463

    SHA512

    6ea2b970637c0b7d10a3b626e83547cebf110249b0e0096e42f55ee887ec7b790654ddb7121605707d1ae4de77a13ab59bb8308eb38bf671d033b7d9cde64436

  • \Program Files (x86)\MyWebSearch\bar\1.bin\F3REPROX.DLL

    Filesize

    128KB

    MD5

    d1bb2feab46b9867ea0f3cdbc881b204

    SHA1

    fc697ecb7ee466f4c2bc66961af0240c56730e68

    SHA256

    8199a9b4879a2ce72df749d6753d64574502f24c0e387a1f3fd05a736d1fc397

    SHA512

    927855d2af1ef983d61b6d07f2908d097598715493cec15e97ecab2a917e6c46459d78cea15b34988a1fb32e0222e5cfd86651a599cd2c2c1da17338fe34ee07

  • \Program Files (x86)\MyWebSearch\bar\1.bin\F3RESTUB.DLL

    Filesize

    24KB

    MD5

    c4ff418909d55a7744b04774a83135c9

    SHA1

    2489008ef2e8fb7a3bdf6014d4488d01629c7034

    SHA256

    76adc93b3153ccd4ab6f692d78013cb75842f741168a6de5adee56c23748b7a3

    SHA512

    50b692ddb5c6a1433af93c4b78eea9206dc6bc020e8f084473a788e2f9d4bf4aa5ebe1fd31951ca2890630bf75a3f74a88864781c4b849fdb8b4417c265f191e

  • \Program Files (x86)\MyWebSearch\bar\1.bin\F3SCRCTR.DLL

    Filesize

    292KB

    MD5

    d700ef661c52f2f7a3a3c5ad28795b04

    SHA1

    66af20b8640c74d12bdbdb07e943f31e41b6e941

    SHA256

    eefd5a797736269ae4f74bbf9371d018c3463f24cf78aea92dafe51c7a858f19

    SHA512

    0ab6a82e48fc7b22d56cd7cfc451d228e8c547d84b3503922d7be60ce221ae852d95a71ec5c764d181e97feb829f0c016ef5b295a27ef3fe25a7c479a44fe015

  • \Program Files (x86)\MyWebSearch\bar\1.bin\F3WPHOOK.DLL

    Filesize

    20KB

    MD5

    cee57e05eccf470e751689ded838b7d2

    SHA1

    0abbc8d0284780bfa10d09f8b78c4964ffaffecd

    SHA256

    2cf54c47ddbc69ebc4e199e11c15c202844645aa97aed823ad2ac2df54df92f3

    SHA512

    4c0399857b5152185195cd27bcb8cefd15690499ab8ea426ef53a83b9ed9e7037786eef2f3fbe9ac625d3a48364f2b343f5eb24767d9dd404ece37c88265d161

  • \Program Files (x86)\MyWebSearch\bar\1.bin\M3HTML.DLL

    Filesize

    84KB

    MD5

    d460eca5d4574507ff4dabcc2cbc5f2e

    SHA1

    667b3cfcd047176e948dc7056a545e7ce3dc38f0

    SHA256

    cecf2b16a398141495764ce6ce4c507f37986e90d1f9705838962d879d446398

    SHA512

    aed6d7a7a324a811ed77fd688e699528cf91a3be1ae56e97f229c8a9065678cec0d210a942e8c3516321ff7d9dd16554909fc622ee076ef4f70aa0d48122a184

  • \Program Files (x86)\MyWebSearch\bar\1.bin\M3IDLE.DLL

    Filesize

    28KB

    MD5

    86445e5a1c4b02574d8bb1b49ebc1a73

    SHA1

    5d7a2184b0e8fe0d6006fef4700a1d41aaf68452

    SHA256

    dfc9ecb661cbab8d7fdb5da5d595173a07f188ff4413968288adbe3e559f1776

    SHA512

    ccdb79e986dbb5663b2da6b0742cceb43a50d6b8989dc84b34e74ae31eb9ae8970fd5b41f2b733a7fb2715defffeeb7c73dc99253916cb7e74f7491d845b9bce

  • \Program Files (x86)\MyWebSearch\bar\1.bin\M3MSG.DLL

    Filesize

    152KB

    MD5

    445ca5e2da8147d1c7bd7c6d5a8fac4f

    SHA1

    1a0649b6a37d532071d3e2a7f5ece29b5f36ff65

    SHA256

    81cd5dc907af4b9b112fedbd96dd4c03008d0295ea2e91668e6b5ca49fea28cb

    SHA512

    aa8973542fb7714551b0d6adea923cbc03c0e018118f7249318c5d79bd1a10a7ce5bb7d9d5741b259b5fba85b0b9d204abb7c2e89c4e3e1b85497b45331ec66f

  • \Program Files (x86)\MyWebSearch\bar\1.bin\M3OUTLCN.DLL

    Filesize

    68KB

    MD5

    26f833b7ad465a044a8da50b619775b2

    SHA1

    47e7c028a3f829e20494654b3f4a034ba11c4397

    SHA256

    ec5f5449f8283811a4718d59d7c05de2dbcee2e6eee4c0f69e00ef92a44236e6

    SHA512

    2fbd865be9ad5f1a8e2ac4f739b4480333c76c4d675d21354dbd9df83294bf4e6ea8f1584f0da7cbd1ee94e4f00aaf0cab6cd3a899f27c8cb666094e905c87e5

  • \Program Files (x86)\MyWebSearch\bar\1.bin\M3PLUGIN.DLL

    Filesize

    52KB

    MD5

    041f075500e868b813499b039bba808d

    SHA1

    ea7aa34643563f6416bf79f25c9e6b28b656eb8e

    SHA256

    9a9575e7ecb4900bcae58c407a05b9b4331a0184efbd4378a5861d369293d5b7

    SHA512

    be22c590606a2ef151d90870773e919f84c4735b46a8a78a2620a7ec3bf6e1daa245f6d3840adaee3d31fa2caa58f45d193d5d96b18489dd94ccd6c1a9d9067d

  • \Program Files (x86)\MyWebSearch\bar\1.bin\M3SKIN.DLL

    Filesize

    128KB

    MD5

    d1a29fbd9263013a3afd6bb24ee92604

    SHA1

    1453515e1f71ce526ea83df46c2ffe970df29215

    SHA256

    e01e420cc5301cdf4d61f132303888bfa329616de8091e82b8e1f50387a66b11

    SHA512

    9e3b832effca395903279c0b6ee76d9cbd67361fc424b325b9a3d9e23659b08c920cf2d8a24f65bb3c73005639ccadcd5b042295fd6cd3ea7ae389cb8defaff5

  • \Program Files (x86)\MyWebSearch\bar\1.bin\MWSBAR.DLL

    Filesize

    424KB

    MD5

    ab0ba4c6555ea9496a267e1d82493a68

    SHA1

    57f52718684b01b40bf9af2f33740cb2d4ba573c

    SHA256

    528238121168a3c8a97e1db36b34cfa21ebffb1074d4cc9305cf277bdc06ba50

    SHA512

    6b6a85439f5d787ef04fd9958bb2b1128aaa1da66af96c3eb5787304e948826f583dbc2e951bfc5164221b1aaf56a3887c7754d0e7230fe3c531d6cb9a3f7b59

  • \Program Files (x86)\MyWebSearch\bar\1.bin\MWSOEPLG.DLL

    Filesize

    376KB

    MD5

    306d2dc89a130fdde7c0b5986027edf9

    SHA1

    559b7e739ff7d00fb434cc846fbf23ebaf57431c

    SHA256

    8242567324684a306080896f69c33a85f9b5583222a3255b0e4afe0fabfc545b

    SHA512

    3502ed5e67044fd3a0b33b4a374b17553ac6c46957c5d286d24ca0d4e22cff273b313a1e826416e7f7d21cd1ae30226b44f9920a440a2395bfff00ce170f6f37

  • \Program Files (x86)\MyWebSearch\bar\1.bin\MWSOESTB.DLL

    Filesize

    44KB

    MD5

    1ff049d8548fb307b2d03bcf32c61da4

    SHA1

    d2339982febbcae674dee4f8b7727538e9a57edb

    SHA256

    e6f54a8ee2ef2891040443cb643e6d4535da86cb5311d6994d720627ef8b9238

    SHA512

    9a71b887daf0ab20105899f1bbcd8b2b8acbb7cdb6126e72594c6bfd650ddf493adeb9ee4635b849255af944759709f116bee5d0d5bad11353138fff5f88f2c7

  • \Program Files (x86)\MyWebSearch\bar\1.bin\NPMYWEBS.DLL

    Filesize

    24KB

    MD5

    4fc4254f6eb68842e4cd5dead10d93d6

    SHA1

    bdaa0171c4b9c68c72d7e7f43ae18230cc9805d0

    SHA256

    defac8f0b9b87f1f32d7a3fe741ea757b548c8c685972bafcb33c646186a5c70

    SHA512

    c1947ca7287338ccb7823fe36fa9b9955996e9f6247c968eb2f950ace8440142f2b50139c212cb67ce6fd71fccf0f294039cfa23f22369bd3b420c51eb33051b