Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/06/2024, 00:42

General

  • Target

    96ca33f41cf09ab3d2e5b52919aa99e3_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    96ca33f41cf09ab3d2e5b52919aa99e3

  • SHA1

    e3c4838b1e749449a17f201ecd08420215d0db3e

  • SHA256

    3340480e26165e6e76e34e95d6c690861bbd725ca0148ff0d38b411ca17accea

  • SHA512

    af455ad2afcdd33070282c5b9f1e4c0f9cda6a25bb257daecdc75463864ef28ec149bf6fb7c96adbe375ce0cd493b4d93a90f6c1134001bbd61c4406bc4f9620

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6W:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5Z

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 9 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\96ca33f41cf09ab3d2e5b52919aa99e3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\96ca33f41cf09ab3d2e5b52919aa99e3_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:1036
    • C:\Windows\SysWOW64\bmigbhqysh.exe
      bmigbhqysh.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:4296
      • C:\Windows\SysWOW64\lcljlflj.exe
        C:\Windows\system32\lcljlflj.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:1060
    • C:\Windows\SysWOW64\rfplkibojicladv.exe
      rfplkibojicladv.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:540
    • C:\Windows\SysWOW64\lcljlflj.exe
      lcljlflj.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:2228
    • C:\Windows\SysWOW64\vexppvllblndm.exe
      vexppvllblndm.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:524
    • 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:2168

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

          4feb861889ae673ff7ab0b11e3f807e9

          SHA1

          cd383a80109eaf5267668dc322ffcaae19b5e7b5

          SHA256

          de9c6971788722348e43f4f747a84db479a3b90004a2a75c2c38ee4b7be0f6ec

          SHA512

          6a681179cd005b50a8f8b0e4ae04ec789ec8075a6ab101af47f45ced8c5337a3d15a7979ed2fde091da393b75874fd28a1e55b12ec8041b835971c5f70b707d6

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

          Filesize

          512KB

          MD5

          f2d1df91e42fe1fa4e40421064f62f65

          SHA1

          1e303d2b79d7be5ce719f4fadbf0d7f69281c62c

          SHA256

          9f54ef04bb193454be1e7be7a1320cc44e49c9a3b5329dda6352e7439069b065

          SHA512

          b80ec3a7b74fe03e35318381a03ac8f4dabe80b8286c69a3660249169a8d162d98657c3092b2b7003cffea19ad83d09ef57f744ed0bbc7fb93d6abb86c0637ac

        • C:\Users\Admin\AppData\Local\Temp\TCD8C89.tmp\sist02.xsl

          Filesize

          245KB

          MD5

          f883b260a8d67082ea895c14bf56dd56

          SHA1

          7954565c1f243d46ad3b1e2f1baf3281451fc14b

          SHA256

          ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353

          SHA512

          d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e

        • 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

          5cc1504f469a721ec232731e5e5afe8b

          SHA1

          1307ccc58a8d2d884766357840afae3ba4e4dd39

          SHA256

          752b71b164a8d12d9ae27fdf3c7191de3b0c0909e57601fbea222bebf1014658

          SHA512

          0d27aacd1cf3bcccc7f27b5d6a84a8a6ffc511717de7f1678b49396969a8ca876be4434e5f60322665a83104031cbd4bfb5f88ba677997479c6289865c723b61

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

          Filesize

          3KB

          MD5

          54a1b1360a945e5aed42bead305d3c09

          SHA1

          a2a9edf2d485579cfa6fe522239581bc6104904d

          SHA256

          f40f49c370c78e610a08093b7f7af7268d47e197d88db0e01cbdd0efadc0c81b

          SHA512

          2bace731ff93043eb5efa51f067cb0f7c838b1400540a00112cd6d0bb8207300c1eb6055f8b0c591f83415374e0a515f7e01be86ef6922089c6f06aae9d48922

        • C:\Windows\SysWOW64\bmigbhqysh.exe

          Filesize

          512KB

          MD5

          2755ab4cdeeb740bf765af23770c5650

          SHA1

          f70067d49b5516b8b6d99530af9c31b5d74ae70f

          SHA256

          d0bef0ea258351f9ae4962df4ce942c954bc5e653260c9e61718691e227f4dff

          SHA512

          79049b436fb670c7de3230c27260c6642011a6dd384f010ec8ab40805d98f0f7a6cf56f3d8b57d063a9362de8c3d07f6ba63a4d50e944da17e4fdc117eed2d1c

        • C:\Windows\SysWOW64\lcljlflj.exe

          Filesize

          512KB

          MD5

          23da6eea547a298c11ae56a9b8079b30

          SHA1

          65df83a8b37b52c7f9b43d14c55bb8c621babbb8

          SHA256

          ec04c37ea099b2fee83ca03a3a3282207aa8006359e577d66d37597a44a1c9d3

          SHA512

          1d4f991aa04b6caed846d2ed1da69e0b468cb6e8fd3906e1558085cf160672c4e1dd206c01849072c9728b9ee10c8445921e83150aa8c59e955bdfbf335390b5

        • C:\Windows\SysWOW64\rfplkibojicladv.exe

          Filesize

          512KB

          MD5

          1578ce2ef1e4c603d2878defb51f66c3

          SHA1

          bfd1a29ec6157ba634ae08a811fc52d7e73d181c

          SHA256

          b747e22a3379939425e2785c4c13cc60c10cf5b313d70b8007b0b7616d05b26f

          SHA512

          e12453d09704f81e94e2a00fe4e380c2757e14a6d690c6f72d834319caffaef7a320486ba5fb0363915e49c8126ac877e17df4788eee77403ab9dfac57eef3c1

        • C:\Windows\SysWOW64\vexppvllblndm.exe

          Filesize

          512KB

          MD5

          30eb6b7c4d78e2410d47e20fe0dd8faf

          SHA1

          32313d6bb570ac86594339a40488949b8cff7dcf

          SHA256

          ccc612dfadd67699be00eaf1e6e4488a7c101011a99898561420ef596eb39ee2

          SHA512

          c2d58fec911d089f159eb604e05afc56993cc1858820d1c52dd3874b7e4049ac1d935eb1b9a88b30c5c6dfcd9bcc0fe0adea5cb6fa9ff811f84ac17d335427c0

        • C:\Windows\mydoc.rtf

          Filesize

          223B

          MD5

          06604e5941c126e2e7be02c5cd9f62ec

          SHA1

          4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

          SHA256

          85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

          SHA512

          803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

          Filesize

          512KB

          MD5

          1db28080b2725c4cbb0ee1a3597f7a71

          SHA1

          2f86eed7162cf7588b89594854738d4b0835b872

          SHA256

          5578b4b15231fe1ad9da8dfd00a5a68b032e1f394dd7695a7cefd9069d682579

          SHA512

          76888c2148a65c1e139be1572aa40a9aca1f830468c399ebd72dae580f28a265a6ee57167bb82fd5c52a5538cdb916e926277cbb11efeff8484af7fcdb5a7735

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

          Filesize

          512KB

          MD5

          32da6d5c49eeb2d704832035e7279bf7

          SHA1

          07b86ab3ad6f7be601ac9c0f400c47fefdf94dab

          SHA256

          c2d9484de3c473173c2bdf72d5d2148c7422b774ec865bcce52a9aedf08ff0c3

          SHA512

          95aad9c118aa929ff133fde51f28cafc44d0a756ef12e04a271ed619f0e82df22c8e7dc4b629d32e66883ed3fa25b037f650d4cd9ed5014025e2053d66f53a39

        • memory/1036-0-0x0000000000400000-0x0000000000496000-memory.dmp

          Filesize

          600KB

        • memory/2168-41-0x00007FFF55BD0000-0x00007FFF55BE0000-memory.dmp

          Filesize

          64KB

        • memory/2168-40-0x00007FFF55BD0000-0x00007FFF55BE0000-memory.dmp

          Filesize

          64KB

        • memory/2168-38-0x00007FFF55BD0000-0x00007FFF55BE0000-memory.dmp

          Filesize

          64KB

        • memory/2168-39-0x00007FFF55BD0000-0x00007FFF55BE0000-memory.dmp

          Filesize

          64KB

        • memory/2168-37-0x00007FFF55BD0000-0x00007FFF55BE0000-memory.dmp

          Filesize

          64KB

        • memory/2168-43-0x00007FFF533C0000-0x00007FFF533D0000-memory.dmp

          Filesize

          64KB

        • memory/2168-42-0x00007FFF533C0000-0x00007FFF533D0000-memory.dmp

          Filesize

          64KB

        • memory/2168-601-0x00007FFF55BD0000-0x00007FFF55BE0000-memory.dmp

          Filesize

          64KB

        • memory/2168-602-0x00007FFF55BD0000-0x00007FFF55BE0000-memory.dmp

          Filesize

          64KB

        • memory/2168-604-0x00007FFF55BD0000-0x00007FFF55BE0000-memory.dmp

          Filesize

          64KB

        • memory/2168-603-0x00007FFF55BD0000-0x00007FFF55BE0000-memory.dmp

          Filesize

          64KB