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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 20:47

General

  • Target

    ab62eae5f5ab1247553f9e43c703b05a_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    ab62eae5f5ab1247553f9e43c703b05a

  • SHA1

    bf3c54fe6ee69d0a854e27ab1a9fb195edebfdfe

  • SHA256

    762ba6421a898f1929e1a2ebfdcb3bd6872e0e6ce1f2ecd698b176542e6677c9

  • SHA512

    6a32b7057e2e2e82506680d249bae0a675006598671cfef8e613e18d621c24810b07d5e6bf64bc9d4d0af32f33632be9dec887d1f61effe3edbed456b4ab3664

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6T:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5g

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 13 IoCs
  • Drops file in Program Files directory 14 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\ab62eae5f5ab1247553f9e43c703b05a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ab62eae5f5ab1247553f9e43c703b05a_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:2176
    • C:\Windows\SysWOW64\wzjmqjtcjf.exe
      wzjmqjtcjf.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:3324
      • C:\Windows\SysWOW64\uzuthjak.exe
        C:\Windows\system32\uzuthjak.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:5100
    • C:\Windows\SysWOW64\rpfwjjkzjcurbkz.exe
      rpfwjjkzjcurbkz.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2580
    • C:\Windows\SysWOW64\uzuthjak.exe
      uzuthjak.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:1412
    • C:\Windows\SysWOW64\puyogdlufpzyg.exe
      puyogdlufpzyg.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4984
    • 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:4176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    512KB

    MD5

    2e05cd556e12f798ead7c650fd84ae71

    SHA1

    b79086bba6cf69ec066b6e4f974424f7932287d4

    SHA256

    9867e506a907504ccfb074b145700acbc1ff6cf674af1249c848c81045580898

    SHA512

    966b2970beece025ebda147f27499343dd738c63a93d425641856094a15656f408578c58e7d31b2fb61d6ef2ed696c05e851e92b62646090b7e818e8ce019324

  • 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

    20f8cfe0d4f8087df6d14759b3d4aabb

    SHA1

    8935c7e9b470ca89716572c612fea9f57a575234

    SHA256

    a4ff5b4a5b2b403e74c45b63df9580ceb7eb89a81f26e1867f18090033208273

    SHA512

    5660c605857e21ee5554ce2a63e8a1284532c4b03cddc500a577c47e0245b8a21a8f74c133094ebe28f9141b6db0af84086d089eef5f4079f0160b063f3e079a

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

    Filesize

    3KB

    MD5

    48dee6ec39a8a9001d88eae8d7d2caa1

    SHA1

    ae9e096efee1b6e771905a536149336a2cc5282b

    SHA256

    ccacdde264e3c267829ebd9990633e93849ad3eb586354b31a29fb46dfa24f91

    SHA512

    53b18b4244dc861d0ee8127b34f6c25758d4cdeb7201ac213d8d2e03473734d60733c642a96ff053c648f2a5608e69f8a3cf30a56e5e277ee94017ceef03734e

  • C:\Users\Admin\Desktop\EnableMove.doc.exe

    Filesize

    512KB

    MD5

    0d238e49c0479e89b7c2504da47f6255

    SHA1

    44fa58c45eb2a9699f61bdcb531ae28ed11a40a7

    SHA256

    8c2f4aa2c9dd577cc44559fc3a91c57fd601a18a29a751f33d3278384b246c8b

    SHA512

    176e7f27000e916648cb8d80e33329c204964b00c937368c41a8dea52581a15cba01c0b250a1256bb49d412cc712a50b5dfbb9ce9b5270c09f39abc0c48c8907

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

    Filesize

    512KB

    MD5

    fbe37bc531c16899181a4089ded39121

    SHA1

    43a9539111bead97a092b4172b2e41882b533ed1

    SHA256

    46a7077768bb49d60decb10679e1145a649b6c9b77688b965fb4ab72ac4ed029

    SHA512

    cfe4e2b4c3934ce32b13963b0bc0b73194ec1461e7f7f7c1bc148f9a3b34c6bdebc69fe3d7d3edbc237dbb34d244c624c1a4b6138a741089668300c83fc37cf1

  • C:\Windows\SysWOW64\puyogdlufpzyg.exe

    Filesize

    512KB

    MD5

    11174e4f87257956385e43c2d7d5af0f

    SHA1

    dd4ab1ddab72dc8b4635f02e1d2efa9a154a3cae

    SHA256

    e29314e494e3ade204edb7ce5ac6f80a4c8a926734eabc5ce944fe4c365df487

    SHA512

    a401db32b4847f3fc815c837608d7d50cdf8fe9aa2f4fbeedd504bbd233e33c8b3a2152c4ea40ce0b2e9ad781ad6de0dd657c23769b4c7688ba81cbbf6295ca8

  • C:\Windows\SysWOW64\rpfwjjkzjcurbkz.exe

    Filesize

    512KB

    MD5

    2866557f0c79c44c8a885c599d9d908a

    SHA1

    eba73c28f0a7e058b21a1bc64820aaa3c973fe35

    SHA256

    dc8e885e70a464ec8a568eb5d38c7e2e512eebae1d15017c83129994ca4108c5

    SHA512

    d90e4acf1978255c822ca2befe79904c0c201cbfa0f1ed44d8abd36267b115baed1c7ab4100be86ee781769a33b5065967bad7bdafa303293098d596a8628e5f

  • C:\Windows\SysWOW64\uzuthjak.exe

    Filesize

    512KB

    MD5

    e7188b2db840a62ff2bb86a870b3d594

    SHA1

    1e59e2ac09c030cd042b3a1576df9cd39622e039

    SHA256

    63ded59495e85f596895286b98b5ca6a415ce2e8469f2108a35fc49db063dfb2

    SHA512

    a15b78770a8ec2c7bbbcbd4aca66865da163c7c134af619705bc91104032a57a4107ae289419e9ebad3f8e800d5d96e114b82f65bf51593c7e09df47b82d6a35

  • C:\Windows\SysWOW64\wzjmqjtcjf.exe

    Filesize

    512KB

    MD5

    96c82bfd578eddc6246eac4570055e8c

    SHA1

    7bae3a376bfc64143ff53f25e85adf628c23e8fa

    SHA256

    a0c42c63f90b5537beb0ada8e982e722f5ef6c72d63403fd109b6395fa8519fe

    SHA512

    5b1ca605789ba7d65a745d02da450a8f3880de3874f6ee411847ffd11a1608a0d3e15325b7d9c54d6c983857c0d1a15aeb6eab1bb92faf54291ba88c1d0baa16

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

    Filesize

    512KB

    MD5

    f2a158162ad262cc234761531140ed77

    SHA1

    355fc0bb501e346920751154e977ed6044c1e270

    SHA256

    2eef6d0ad9b74a733df0aa2e65789e6e6a393146e667c34ad38877e1fabb8ad4

    SHA512

    a87c91207da47cfa9c8f36ece267842b974a348e1931c0481bcc031ea941fc1d8c6dfeba6ba505e957a94489589771e04867d15ec3cabdf85f5c8c96ee576336

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

    Filesize

    512KB

    MD5

    ab088db2445383c2612d4419a5cfcd9a

    SHA1

    5e0bb930f4ac23cca69f27ea1781b3675f5bc211

    SHA256

    2d2c549b3ae3c3137c46155045bf49334af521ec87ec9056bd754062ee91d8f1

    SHA512

    5fc17af9ce2b6bb30206642d338eafb29399878f8cda23874c46b5a9c74fc50c6b2fb6b0a90fdee05af0b2eb56e9d672f592f6e4c6e777f6875379e75420dd31

  • memory/2176-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

  • memory/4176-39-0x00007FFAF4130000-0x00007FFAF4140000-memory.dmp

    Filesize

    64KB

  • memory/4176-38-0x00007FFAF4130000-0x00007FFAF4140000-memory.dmp

    Filesize

    64KB

  • memory/4176-35-0x00007FFAF4130000-0x00007FFAF4140000-memory.dmp

    Filesize

    64KB

  • memory/4176-36-0x00007FFAF4130000-0x00007FFAF4140000-memory.dmp

    Filesize

    64KB

  • memory/4176-37-0x00007FFAF4130000-0x00007FFAF4140000-memory.dmp

    Filesize

    64KB

  • memory/4176-43-0x00007FFAF17D0000-0x00007FFAF17E0000-memory.dmp

    Filesize

    64KB

  • memory/4176-40-0x00007FFAF17D0000-0x00007FFAF17E0000-memory.dmp

    Filesize

    64KB

  • memory/4176-134-0x00007FFAF4130000-0x00007FFAF4140000-memory.dmp

    Filesize

    64KB

  • memory/4176-135-0x00007FFAF4130000-0x00007FFAF4140000-memory.dmp

    Filesize

    64KB

  • memory/4176-133-0x00007FFAF4130000-0x00007FFAF4140000-memory.dmp

    Filesize

    64KB

  • memory/4176-136-0x00007FFAF4130000-0x00007FFAF4140000-memory.dmp

    Filesize

    64KB