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Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/07/2024, 05:42

General

  • Target

    3383d302b05d28bc170a5b64a81549d2_JaffaCakes118.exe

  • Size

    255KB

  • MD5

    3383d302b05d28bc170a5b64a81549d2

  • SHA1

    efe9207b79095f0dfba98c3a8b9f74c1cfbe42db

  • SHA256

    763f21e8ee3f12d5b44df48d69cb6b8834806f04cdc8c051cb04ada437cb7299

  • SHA512

    54f0e9dc5c35166c1dc2087f4826f28e405a92c00f3ba04558f1c47b4c7eacbbe56e511a36e86b4430af34c6b026a48340612a45b0b479fbc88af2c7505afa12

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJe:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIr

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.

  • UPX packed file 64 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 59 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 13 IoCs
  • Drops file in Program Files directory 15 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\3383d302b05d28bc170a5b64a81549d2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3383d302b05d28bc170a5b64a81549d2_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:1440
    • C:\Windows\SysWOW64\fpnkubbzxt.exe
      fpnkubbzxt.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:3656
      • C:\Windows\SysWOW64\petqayhk.exe
        C:\Windows\system32\petqayhk.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:116
    • C:\Windows\SysWOW64\ykkvorzoewvshvw.exe
      ykkvorzoewvshvw.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4820
    • C:\Windows\SysWOW64\petqayhk.exe
      petqayhk.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:3356
    • C:\Windows\SysWOW64\yilckcyjdmyde.exe
      yilckcyjdmyde.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1792
    • 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:2656

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

    255KB

    MD5

    e03fc96b31a876d9697b179ccc132c4b

    SHA1

    bab32f2b136133f20321fbace2572c8b5dfdee86

    SHA256

    a7ba44cadf64256c350e963f33baf16b08cf9dea6afb0d934858d79ae39e47ef

    SHA512

    308deec541501bff60ef62ea8cdf76b69d74efcccb6cc9380342ed7a1f7a7e43824ca6d66f51c52a1cc79299e4d69615578cf2383d2518e1d971deb3b4bce22a

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

    Filesize

    356B

    MD5

    b57a8cb2799bf8ff62bc0b5a301a98bd

    SHA1

    7d000ed3256494ac82f5d1a3ea4aa63a987f9eda

    SHA256

    4c991def6749884e94a0fb516a1b74df885efd3849b40082215c28c02f4db1e3

    SHA512

    c5b14413ae9ba24c7be67120b3e9791e034c984a389dc25a5516e69de68aacdc3be2c0a04dfb187d23f21aa2f29c974ef65e9a313118f0ef1bfc52b6cd0d1766

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

    Filesize

    2KB

    MD5

    a6ed7d840333ba262b26ead0a3eaafc0

    SHA1

    3d3b3f650de9e3929908e5329592192bab734540

    SHA256

    42574de2f3fc2c3960982fbea764a3daee42179d3947982a3ff759385066e91f

    SHA512

    7fcf61322281e2100bd8d8f6cd0bba3df85be585f8560cb9a208ef67b4209ebebc36c45dc04e88177e6e5f6be6f31f9916e4460f60a8f14299e314374ffd30eb

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

    Filesize

    3KB

    MD5

    ce0dd2d77b16aa7da06cedac18739c79

    SHA1

    861015c80939c8b90ee255629e646b51bdd03bd3

    SHA256

    8b6311975006d44d5e99187718e170d7707324798cd8a9ea4ab318c8edf8265a

    SHA512

    224f9da7afc335f699e2c254ce1ec39bc0ac948d6867e65666d05bfc99fa4e0071e242dc3308b7056c95aecf91fcdb7867b8af67b8005fba1df54242ee505f08

  • C:\Users\Admin\Documents\WaitSend.doc.exe

    Filesize

    255KB

    MD5

    ca713d577aa5fa81d1b12c9294ce0b9d

    SHA1

    11d40ec0cbe2873bd4b5bfd50a385a2728c04e68

    SHA256

    9177f3e00b0028f8866e1537fbb3475c3f54fc8867c7c9a383b44dcbd478f02f

    SHA512

    c8302b38698a414387963185ea057395ad890655b40578b888a676e57945d258543162007e896f7d260ecc6bbf82f2feac56c03ea70aacd5d928a7f28cc51d3f

  • C:\Windows\SysWOW64\fpnkubbzxt.exe

    Filesize

    255KB

    MD5

    326a69192b0e8d32ace3cb14f2b546a1

    SHA1

    85c1e2259a02ece579c4d8de1964244f330e422b

    SHA256

    c0746f3783da8e9834fe35bfb503d76cfab9e48e27f9759116d3beb7f3d409da

    SHA512

    4ccf401cc41dbd1ac3947e9c579f754fff9cc058c1e04f46262ee702a5ab87ab6a1201efceeee8268672e84c406a106b56a06bc57f96b1d334c9ccdc48283d7a

  • C:\Windows\SysWOW64\petqayhk.exe

    Filesize

    255KB

    MD5

    03d240373f548674d48661a890fafad1

    SHA1

    5584aefa270fcd018cae009b882c6994d24299f2

    SHA256

    c6a913ded5fb2444a190d95e1e34066ef873a0b3cca81029004a24cff5b2bd5b

    SHA512

    94459f42ebdeca76a2e93dac661705431ccf40821bf57c314c0451a23d69b64771ec45828c01a6513fbb6c7d14a7af85fff500e1d21f35e07d6abf290650edb8

  • C:\Windows\SysWOW64\yilckcyjdmyde.exe

    Filesize

    255KB

    MD5

    9b0166a3fd1dbc63d0f02fc0f966ec91

    SHA1

    dfe4f436e886ac74458ece2a9650fb451309f6b2

    SHA256

    10fe576df11659c857160e6131374bd69e78fa1ab75a423ff29625d1a1976015

    SHA512

    fd50e5957d53b7304d8af6eeb0068062373c34b86c0aa657676a9ef40610334d29636cc42e7c6a3397a53d2d8156f8c4f67d379ad4e28defe2270ef433b03269

  • C:\Windows\SysWOW64\ykkvorzoewvshvw.exe

    Filesize

    255KB

    MD5

    13612ea053908ea4f14296d45684de83

    SHA1

    bb339ee838b9465e0cc0d7f8e275aebed5480328

    SHA256

    27c9ffe4c9f81f10e1125462801c644d9ce6ce8b7789aebdc685458cea68a3cf

    SHA512

    31ea777956390cf5499199b82fab1b52e04e86bcc366ab72ef4f9d1001deaa7fefdbb8fe3249c86f939f6ae06ff009513e6ca88be5d5f2629096bc81d8840ad8

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

    Filesize

    255KB

    MD5

    6a0bbecc07a086228c7a2d4f1563649b

    SHA1

    f0754c40c5f434b1312dc943a1ab1db9a8c3128f

    SHA256

    aa2cc10405a9c037e3a65fb5c6cb8e02db09f572578aefcfab80018b931f885f

    SHA512

    567284cb5f20d277a882a73fb25b161dc95fbdfe55d26894087afb53b1c610cd7a8184d359ebddb09e29ef2345d2a6ae816306b039d78b58299606e93ec5ad5c

  • \??\c:\Users\Admin\Downloads\FindSubmit.doc.exe

    Filesize

    255KB

    MD5

    9e7b02500ad57d8601438c88471dc82f

    SHA1

    ff848a7f36b17e8714d197aabd52608f87c71ac1

    SHA256

    d8b791104923d45819e6b77ece79b7aa640c805a06853091a3d5028b2597d8a3

    SHA512

    67c37e613f8db7309a12f7689c1da09cfc82a48d60d1fa54f2c05c7bcc9b3970a66adc7f65d7810024c28cf7f7f866989cf9420519f165bebbe2474c92c230fd

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

    Filesize

    255KB

    MD5

    81e48c4389f5ab379fdd7b737e08553d

    SHA1

    5e56e5037d235649ee079119929e5411c44d9527

    SHA256

    482fd74f6d66f54c80b2ffb565c0323bd292bc4dc0baa7cf231b108689f5058c

    SHA512

    980da9b270015a70e551e1a52934a8adb748ce06a9a9dafa201149161998ac45a9ce89d2c0237c066dfb3a62d3145073400913dd677e4aa6299ba27cf533bd4f

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

    Filesize

    255KB

    MD5

    522d8a781eb05eb63e5beb583babd1a3

    SHA1

    97843762a0935f36fc28346f4e88836af6272fe2

    SHA256

    b13d39d83861f5e1ee96f6d6716c9a81fac767aff0438f0dded99e03441db3fa

    SHA512

    db5371fd603bb7eb60feb2c66b8a3fbdf04694e22b233b86f003c990c7899d01750d3841e48eb9c76a01430004b92ef2a4892c93775a767a2a4c2e8d6284bc70

  • memory/116-122-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/116-116-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/116-127-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/116-137-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/116-102-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/116-145-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/116-132-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/116-148-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/116-37-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1440-35-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1440-0-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1792-126-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1792-131-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1792-188-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1792-185-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1792-182-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1792-101-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1792-158-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1792-155-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1792-152-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1792-115-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1792-144-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1792-136-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1792-32-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2656-176-0x00007FFBCADF0000-0x00007FFBCAE00000-memory.dmp

    Filesize

    64KB

  • memory/2656-43-0x00007FFBC8C30000-0x00007FFBC8C40000-memory.dmp

    Filesize

    64KB

  • memory/2656-41-0x00007FFBCADF0000-0x00007FFBCAE00000-memory.dmp

    Filesize

    64KB

  • memory/2656-44-0x00007FFBC8C30000-0x00007FFBC8C40000-memory.dmp

    Filesize

    64KB

  • memory/2656-39-0x00007FFBCADF0000-0x00007FFBCAE00000-memory.dmp

    Filesize

    64KB

  • memory/2656-40-0x00007FFBCADF0000-0x00007FFBCAE00000-memory.dmp

    Filesize

    64KB

  • memory/2656-42-0x00007FFBCADF0000-0x00007FFBCAE00000-memory.dmp

    Filesize

    64KB

  • memory/2656-177-0x00007FFBCADF0000-0x00007FFBCAE00000-memory.dmp

    Filesize

    64KB

  • memory/2656-179-0x00007FFBCADF0000-0x00007FFBCAE00000-memory.dmp

    Filesize

    64KB

  • memory/2656-178-0x00007FFBCADF0000-0x00007FFBCAE00000-memory.dmp

    Filesize

    64KB

  • memory/2656-38-0x00007FFBCADF0000-0x00007FFBCAE00000-memory.dmp

    Filesize

    64KB

  • memory/3356-130-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3356-114-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3356-125-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3356-117-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3356-100-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3356-135-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3356-149-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3356-27-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3356-143-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-103-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-123-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-24-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-139-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-189-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-150-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-112-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-128-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-153-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-186-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-183-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-156-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-95-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-180-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/3656-133-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4820-151-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4820-129-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4820-124-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4820-104-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4820-157-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4820-181-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4820-113-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4820-99-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4820-184-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4820-154-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4820-187-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4820-142-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4820-134-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB