Analysis

  • max time kernel
    145s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2024 16:02

General

  • Target

    40c70602f51715fdc93b393ad02fd99b_JaffaCakes118.exe

  • Size

    4.9MB

  • MD5

    40c70602f51715fdc93b393ad02fd99b

  • SHA1

    927d19c3bbff6bee970b5584382268ed9943ab8f

  • SHA256

    d2b647a3f152e14d8798c6bb6ffe44654ce29ece98e54e94fd5a015f630b761c

  • SHA512

    df81f6c7b35d88fe4a4e435dfe58ff5c89fef99a88084ad9bb9e828d2d630c381ebfec987ce5c3cb1597daa70c2fd2b772e0ee8acfb0ac87d42c1057813b542b

  • SSDEEP

    98304:5Py2G+7PSipDhnMyyGnIaDplGkwm5O94SiRq6Fb+KN+UL:5Py2G+7PSipDhnMyyGIaDpwkD5O98+4+

Malware Config

Signatures

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 34 IoCs
  • Reads user/profile data of web browsers 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40c70602f51715fdc93b393ad02fd99b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40c70602f51715fdc93b393ad02fd99b_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
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:572
    • 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
      • System Location Discovery: System Language Discovery
      PID:2036
    • 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
      • System Location Discovery: System Language Discovery
      PID:580
    • 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
      • System Location Discovery: System Language Discovery
      PID:1340
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2248
  • C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwssvc.exe
    C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwssvc.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    24KB

    MD5

    72d911befc0e2c5daa2851ccbe654d0b

    SHA1

    1277cb51bbdeb2d1b074276c075ba70d73de0553

    SHA256

    2081aac222d9995125583539304fe6da3a8e591e79ffd4c581ef9a91f87aa4c6

    SHA512

    ef6060617bf81a90087b6ac325695edb64999e51de8254e11ddbd76492dbc355ca8064a999389f7a775fe071e7cb79854e9905e5a9aa97c3a0c89fb147898ad8

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

    Filesize

    32KB

    MD5

    9abbe6f791c0b599a7128c9aca27c094

    SHA1

    ab86ada4fc136255edf950b9adf3d380c60ebd8d

    SHA256

    16bf4998b6073e258661d52810a79ca7f90f951005434ae8102350b094697948

    SHA512

    fba34cf1c750a35a69b011855e35542e1ad86ebf87e396d813c4bfa5d243c43ada78ad6a668bd7d6184cf47bc428ba122562ed0552260a5696bb67153e024fa4

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

    Filesize

    28KB

    MD5

    08ba920963941182128b463e27995615

    SHA1

    63ded73400623904333d66b7b7a46885bb542bea

    SHA256

    ddb5408e4e94f005b6613f7e030ecc6057f0abd752ac2854764a5306f1f61b56

    SHA512

    ab665186cf3202e371219b96207858733add665918c66ae55a424c2a0e782dbc9066435b17b2c082d9e546ec4915dd6620ce884b1b5eb248058476358e2f90db

  • \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

    8e8757616254dbeae33585d99a374e57

    SHA1

    17eaaada49feecc03a2ce9b1bbea21f0d5022eeb

    SHA256

    5a098471c125c6484e943872fdb38a4237ec4545381fce9835b226460bef6e6b

    SHA512

    942836b97b14f94c6deeaf6044da69504281795bf0e936038076cab559a8a186dc6013ae0211a9bb4795c244f33bef13e676aba7a48b6e010d60118f5a930fa0

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

    Filesize

    144KB

    MD5

    dd8a6ac438b15c37624cd3ea62d18c4c

    SHA1

    8851d17a1fdebe17eb01f171c3d16716a6f3beab

    SHA256

    484a2341c9952bc28fd4889772c0a11f30108c55642508e6a0cdd0eb14f19200

    SHA512

    4ae63946f5b089de59521acdcc95c00cf651122e043c10dbda22b005b70b5794875cf7a06bd8d8a1a8fb7a934b70ad494292ba581690eef3ed2ff96d114be72a

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

    Filesize

    76KB

    MD5

    094276a6b3b508473db68af92cf7ddf9

    SHA1

    4d014941c37f3b4a740d09505387c882eda9af12

    SHA256

    d9cb3a3fa33f321f71a0bfb1a0c7bc9ff56379a04d9462efff1d13592d20d9d7

    SHA512

    f4c380d6a05d0b7b5733293502433d0a2d1a6dd0e4e98078d673ac08210e284df850af7ea6762b0e3047f3a69410c82bf32a48765def419236468996b89525a1

  • \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

    120KB

    MD5

    a1bd7551be79287f12e5110e05d0b128

    SHA1

    dadf37694b17e79b09111031e21da58718f2b328

    SHA256

    ac67777a6b218d433660a1f684cee7c498702f11bc922bdabebe3841fc72c0c3

    SHA512

    c47696aa1e159e53ed6c4e4288ba1f458cbbe5aac4935a9e5c6b260fdcac81d306fc4ad626277c722b8313437525522e70a3e0b089214488f85313db23eb1b93

  • \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

    164b742c053c3cf682622a73bcc6d2fb

    SHA1

    22f94d99f3f76570f191983e1f6811755aea3b9f

    SHA256

    aa781903dd0eea8732f98565e7185aaa5d167ce6a132dc66a30a1289f0e289b2

    SHA512

    8d04f4d4466c2efb69b348286b4eff94b9d91668ac67cab872791bc644dfce53002ebdbf4afe4281c202f0370326a0a4301ef774e075e8c055b87f57cbbe67ac

  • \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

    151b00b258a005b9571c79f89276e916

    SHA1

    0aaaebd70c77062792f0ef34efef6b1c1abf5560

    SHA256

    f13ad464fe7ceb0fc0752c5670a3fb88738fd6fddfc6f42cbd3350d106b9af88

    SHA512

    48778bc319cacf7f0f93525fbe8d847957a242970e37a9fcf92a078dc20e16b2fc5cb9f52c3b9f511b561ae8b1e2bf120f6b4eca510f4a35757af57b88f9092a

  • \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

    400KB

    MD5

    40fb6d560c494ed0f812b0cb302034d2

    SHA1

    f95b08616d6b80e4211d06f60146a87fb61789f7

    SHA256

    cb91430e2f833a5e0586ea1c57b28d076313a131e2816645436ecbf157aab707

    SHA512

    5ab3f8b256f04cedb386d01502e02f79bd719cc51d2626e33f73ec0f62b9da9455cf8fcbaabcfeec7fd32e42876b4a20b9c90c82c1bd1a154a374de5db75ff73

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

    Filesize

    360KB

    MD5

    6ffc0fc8c2eadfd58def3fae4147ae0c

    SHA1

    426b5772fbf78b23674334fd3c06146282c53ed1

    SHA256

    43a77231cb42a1bea9ed67f2ce41090ca069b4021598552d66b666ff21f539fd

    SHA512

    92836057f0b6db53e8d2b6a6ecba88e3f44f02fce0af96443987b2e00edc8ae1559e0917f3ed2b4a948c373b9ed52efb463f6686ba9cc418e5ec70538c11291a

  • \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

    4b85c597bb95d7e83d1872e52d4c3d7f

    SHA1

    7f94d4c4fd382fd9dcea691f6675bcbda4e67c17

    SHA256

    97278b6e7cb8f4406933021761690eb36a6122a0c78eb6366a9e8ce77b0a3151

    SHA512

    18c3f0c69e8e2a0f47f3a2195ecca73b7c840581e9968408a2b9261e3042d72917dc7d058d76a5cec055ff8faf03944375489bc518cb6e40b211837bda21beae