Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2024 00:01

General

  • Target

    930fa2cd09ec1041791fa2fba5a4ff17_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    930fa2cd09ec1041791fa2fba5a4ff17

  • SHA1

    aff48860c009c79b7121afc9a34d6e01829fa7bb

  • SHA256

    7f0b385a896f1d533717002c2b789a254f61fd2a6235e4aa989f43fe94df5b7c

  • SHA512

    bbc15cb41611adbc2bd1b2719cd927a455b274b12bed66cf822a5b9e2fb3ebe2011eb3d2128551a40d5f1473066f8b9071729d19d4dc4baf4d9b2d7c36937455

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6B:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5e

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 10 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\930fa2cd09ec1041791fa2fba5a4ff17_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\930fa2cd09ec1041791fa2fba5a4ff17_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Windows\SysWOW64\zragvhgyse.exe
      zragvhgyse.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2952
      • C:\Windows\SysWOW64\gbuxytvi.exe
        C:\Windows\system32\gbuxytvi.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1616
    • C:\Windows\SysWOW64\xmohfznteyklulr.exe
      xmohfznteyklulr.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3428
    • C:\Windows\SysWOW64\gbuxytvi.exe
      gbuxytvi.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4908
    • C:\Windows\SysWOW64\cpgevhkelnhni.exe
      cpgevhkelnhni.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4740
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:3060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe

    Filesize

    512KB

    MD5

    948534a3df373b8c7c4a97c71aeb6d9f

    SHA1

    19b7ff286774797021ba2f11d33b6bd5ea42e225

    SHA256

    62175cd5dd889dd125c7bfda76b8aaf2787d73829183e9ebfb3686e42266c2ab

    SHA512

    c613e59c359f38f70fcaf92c0db2c42a14e6425c0e001f74e530a3b0a3e6a76b4cfdd58014009a2c7083b38ef158dcf200d5cb16d1185cae0d06e7c3cf147e74

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe

    Filesize

    512KB

    MD5

    a70bbcbb960e3fde298b54d357f23605

    SHA1

    c10c16aaf3ca7b0dddcaf9b3aac2a54c888eb4ef

    SHA256

    d6567502bc545b9e0c40e7e26f1e536c9bffbb5a585f7443fb6f475653698dbc

    SHA512

    b20ffc5b98237bcdb721f28834d9d60437960e188bc250fc88063fb30918e08720bc26a17eaea18c402c48a0bec035636ba7a79c420112656f4b244e0f9772e9

  • C:\Users\Admin\AppData\Local\Temp\TCD7D7A.tmp\iso690.xsl

    Filesize

    263KB

    MD5

    ff0e07eff1333cdf9fc2523d323dd654

    SHA1

    77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4

    SHA256

    3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5

    SHA512

    b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

    Filesize

    239B

    MD5

    12b138a5a40ffb88d1850866bf2959cd

    SHA1

    57001ba2de61329118440de3e9f8a81074cb28a2

    SHA256

    9def83813762ad0c5f6fdd68707d43b7ccd26633b2123254272180d76bc3faaf

    SHA512

    9f69865a791d09dec41df24d68ad2ab8292d1b5beeca8324ba02feba71a66f1ca4bb44954e760c0037c8db1ac00d71581cab4c77acbc3fb741940b17ccc444eb

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

    Filesize

    3KB

    MD5

    f62f289d99a71b6319215a55b1d74fe6

    SHA1

    aa91654582d6d6055bd03db7c5b61100a516100f

    SHA256

    bbca51806873ab5a92e9d4b4c22431f22244b037c14b720d214f5460b99e7f44

    SHA512

    02abb7ad7a1763eaa2ee5522587d42b3f15b346226b57c2092828b89bbb2bd9fc981abe718b459e6aaade811770dee3c9383ef552d2276a75c8dee2fb0a1edd9

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

    Filesize

    3KB

    MD5

    892f18dd7e32fbcbd290e0dde0dd4d0f

    SHA1

    9122a5c3655116dcbdd9b34a666416280c0321d8

    SHA256

    b0316c3679731a6d31b6f143ceb7ed6e24e7cea59f08e35fbfabf6359ecf834f

    SHA512

    ef97c28de25551225dce6204ccc4a5b00bfa78c8fe46259d1fc6b5732231028f9f31c3e3224d1dc66cdb94f541c14d31a1d33b1d8fd844f77c830bd0bdc94c9f

  • C:\Users\Admin\AppData\Roaming\SubmitFormat.doc.exe

    Filesize

    512KB

    MD5

    753b329154cb00a72d18c74b4c357771

    SHA1

    be75716d7029378eab036bc98c9990668477b970

    SHA256

    e03f09595a199dabaf70be1510598e200eb64b160e6ac8b471f9a49c6b933a55

    SHA512

    c1a0c7ac035e0b7d2a9e28a6df24f31d745ad69d22ce001a08808c5371bb3cc986f1422afec905707c88229b1eab3c9658fe98cbc2165caf4fc248ef090727a8

  • C:\Windows\SysWOW64\cpgevhkelnhni.exe

    Filesize

    512KB

    MD5

    0357c1c89cad5953e8510f99eac942f1

    SHA1

    6371f572fc9563e6bae2cf6ae0b7431e3ab903df

    SHA256

    bc72b5ddb998da09995552e23bb74a7514fab5e1823542cc114ed6cc11fcac7d

    SHA512

    e02096140a9d6892df94f55710e933daca6ff0790e25a5579d232b0f312cf7a75de302cddffd66823f4eb2e8af6d50b0bfe810945ab2daf3843031c4af0a3b08

  • C:\Windows\SysWOW64\gbuxytvi.exe

    Filesize

    512KB

    MD5

    8b14ce372f82157c325f403fc0cc2601

    SHA1

    2b0b9ffe82d871b5102dd6320568b53f14c745e2

    SHA256

    b02b26195816c6b0ad057f99ce7bc671af6c87f89092ac0992ecef75614769a4

    SHA512

    0bb5915ea148872126765ebdd29cbd2ca9607907421d9636fb992041e39fc547296b87b4e3579139a17363c929ab9465b415e70471824bf3d03fe15ca05dbace

  • C:\Windows\SysWOW64\xmohfznteyklulr.exe

    Filesize

    512KB

    MD5

    95e1a40de69f0ae59d201b22fdb44fd6

    SHA1

    a472a8cbcc65022b5a54f1ba094e2acac7e5a146

    SHA256

    55587f626e7dbfc1c875dfdb0f3365c447b1c6637bfd29d433b65399cc3297c0

    SHA512

    1d1a68caf73354b928103107cef680557a07052ae5de547d0729e9f951ba09157ff93499d8c3494fecd489cd3992793fca9376e2f02404a857da887e775af8c1

  • C:\Windows\SysWOW64\zragvhgyse.exe

    Filesize

    512KB

    MD5

    3852450803a789a1fdd4688397940f9f

    SHA1

    95ee2d279699c6a4a69c8d9c0d124e774b752553

    SHA256

    643ccbb7acc75226d1479cdf7cf59234a8ec42d3ffeae2302e669896e7e4f779

    SHA512

    90139add7b831c301e6c937ce22681599b03d833c760591df8e614f3373cb4aea779969324b0f0b212bc6f181a17b1b3cfecd774c3e598039cfe3a3cdd7372ed

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    512KB

    MD5

    c01630d88191cf4b9ba097574033fe61

    SHA1

    28e2ade5a3b1b8d0ec6aa9356f60b0c94c394598

    SHA256

    a457ac005d0bedd2ad3e2fa653947026919884d372937034e96057a972105857

    SHA512

    d4310039afa85c2b3e7efaccb7a1471310bf058d6bebe1c7f2e32f6df4a26b065c22589db8dfa298158c97d2f2eaa98fcc3ff0d283ac4b8488c67fbf845abfda

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    512KB

    MD5

    174f1cd26f208342eddf33a17542bf1f

    SHA1

    f1bc1bdf85043e00dd679ce59ae5b6d49235da45

    SHA256

    f543df4b5dc5e0987d7879148ad3c4aee33aa2867a7b125cb3c007bc0c7b3b04

    SHA512

    517791ca5da882b347d21e8abf41fa736ed8415a3f6ec8a7c607652b96c0cdfc5b42d1ae3808ccf517f3d21b9ae41177bd0c642eb09497286fcef71f9fa5248e

  • memory/2896-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

  • memory/3060-36-0x00007FFF30810000-0x00007FFF30820000-memory.dmp

    Filesize

    64KB

  • memory/3060-39-0x00007FFF30810000-0x00007FFF30820000-memory.dmp

    Filesize

    64KB

  • memory/3060-35-0x00007FFF30810000-0x00007FFF30820000-memory.dmp

    Filesize

    64KB

  • memory/3060-38-0x00007FFF30810000-0x00007FFF30820000-memory.dmp

    Filesize

    64KB

  • memory/3060-40-0x00007FFF2E540000-0x00007FFF2E550000-memory.dmp

    Filesize

    64KB

  • memory/3060-42-0x00007FFF2E540000-0x00007FFF2E550000-memory.dmp

    Filesize

    64KB

  • memory/3060-37-0x00007FFF30810000-0x00007FFF30820000-memory.dmp

    Filesize

    64KB

  • memory/3060-606-0x00007FFF30810000-0x00007FFF30820000-memory.dmp

    Filesize

    64KB

  • memory/3060-607-0x00007FFF30810000-0x00007FFF30820000-memory.dmp

    Filesize

    64KB

  • memory/3060-609-0x00007FFF30810000-0x00007FFF30820000-memory.dmp

    Filesize

    64KB

  • memory/3060-608-0x00007FFF30810000-0x00007FFF30820000-memory.dmp

    Filesize

    64KB