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Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/09/2024, 15:59

General

  • Target

    dc9063b98ddc0372cc6aabe10d00c379_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    dc9063b98ddc0372cc6aabe10d00c379

  • SHA1

    10bc51c8e9c32f6e07d45676c873961e3acb9495

  • SHA256

    569b9bc09c033c0233bab251d651cd8ebfc6b294c6250862e6afa9dd57a9d7d4

  • SHA512

    4b506c2607505fa2572a90b2888e2992cdfaed52e1edeea7eba743033432cf05b78fd035114d97e9518df2de28ebf84e321db51229934b7e770f56db6c7a05d4

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6Y:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5/

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
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 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 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 19 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc9063b98ddc0372cc6aabe10d00c379_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dc9063b98ddc0372cc6aabe10d00c379_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\SysWOW64\kfplvfqsmk.exe
      kfplvfqsmk.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
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Windows\SysWOW64\ogudnyun.exe
        C:\Windows\system32\ogudnyun.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2888
    • C:\Windows\SysWOW64\ztkryjuqnyfafmo.exe
      ztkryjuqnyfafmo.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:708
    • C:\Windows\SysWOW64\ogudnyun.exe
      ogudnyun.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2764
    • C:\Windows\SysWOW64\hmxqznfyghude.exe
      hmxqznfyghude.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3032
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2872
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe

      Filesize

      512KB

      MD5

      632199375e95e76927ba899a7a6f1c79

      SHA1

      88371a674a1de2c6d1c18705c33772b7abae404d

      SHA256

      60fccb526738d7d36c05f1e732346a2d3c73d34297eb657704a3e827838ff13d

      SHA512

      4245d41c19dbe4650095a1603697c91df013a1e5572181e09ae64cc435ec5156d9e8dfb8f4bbc9876ceae355ae28d79cdd3cbbd7af064d3ea0eb8abb04ad3fea

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe

      Filesize

      512KB

      MD5

      4438eab87f0c09fe10c3ae4523c99de5

      SHA1

      50c7e526391f8c487639a993fda5d1d7597cdd5a

      SHA256

      8b32c92bdd9313087a453d8f18cd21697b65e23d2adb1f3c2b9bdb3c7cdea14e

      SHA512

      a82ad24a4ad25fd6fbf5f0d9cb6c8f32cf1b02b21484c48310058a05d8686b44f10a9635b2c23d487784a186f3ec9702c40fd54f6ddecd3c0a4f7786b21d2901

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

      Filesize

      391B

      MD5

      8f1d3b5c73b183a31913fa1a6a9533a2

      SHA1

      d01d853b4fb618881e052aef4f9281e33623cada

      SHA256

      5a5a1917bf4066b9a8755c09392b44771d31cb9870ff76edf9b7174dcfd2d454

      SHA512

      6c321d47fd623839057075c660552148b036096776f7ca2779bcb8a4b06820d07c28ce0bfa34cc4098e0a1ce4bc4e2c3d91d0d5e080eac2ceb94ce1630b755d9

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      19KB

      MD5

      9d29c9767751b3a482c2a79d058be8e2

      SHA1

      baa3a1fde098ee9f87497038bfa9600c509f609c

      SHA256

      b7815320c75de1dab7745a64fdd4c73194a4f80f199f5a495d6894d4e04216ef

      SHA512

      9ee4a51f18724161f20649f3d25e2c51e150b4aea32b8d89eec15b74468c52eb2d99892a578fb577025a89fcc15e1fcd8032d2dfb268ce034fd9c38b67c37216

    • C:\Windows\SysWOW64\ogudnyun.exe

      Filesize

      512KB

      MD5

      62620e32231a276e9d3b071680f235da

      SHA1

      58733b620d3e9b40dc55607a742c2d28614febef

      SHA256

      b2673be242f86929cbc2d081969b2cf97c3fdf08c7be2cb624db5a16d03836db

      SHA512

      9604808490d4e12e8168dfc2a0f9549667547207fb6787804dd59849577055fb7ff4ff3d18ecd58de7cb3982d2c483e5424d7ed131d5ba8c2631aa5f49a955c8

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\hmxqznfyghude.exe

      Filesize

      512KB

      MD5

      c8968c55ab78c8163f1ea8f20f74f31e

      SHA1

      84734a38a4c0fc9c3d553869e3d17f85ff6202b1

      SHA256

      9f4e3574ab2d1386a56896570ffc088f8b89633fa448c0bb84e305c0860bac11

      SHA512

      dc498c9ef46a1d2c50ccdb2872593f286d9a2093fb2d1d0dd77a113237d2650cbb4e715fa38e37175cfc54194bae5edd3feac64d8908ec27e34dfe697ca12be6

    • \Windows\SysWOW64\kfplvfqsmk.exe

      Filesize

      512KB

      MD5

      38651b6914e97141fd90c16568897d83

      SHA1

      01825bc1bb911ef5ffe6e265bf53b15b341d1d96

      SHA256

      ae736e2c36c0774fc20407c6ce71393ebd93fe9d31e8316a7eba50b3f64e07d8

      SHA512

      6aeb926bc05967a133eb2a5a8b6df0697c068ff884416c22eb0fad7f0956fdc5dcff716c5e5b316995dbf6c2d7089d020e6662d94bdaf538885ca2db78672eed

    • \Windows\SysWOW64\ztkryjuqnyfafmo.exe

      Filesize

      512KB

      MD5

      c5d4d4fe5e52479e5634b5a3d00c5867

      SHA1

      29ca6850c46768f660b82c55b07d3d6e45a502e9

      SHA256

      caf52957bec22e29d43993d778747d7b9109c5c4d6b68a78e819814db7509dfd

      SHA512

      ef883015ba29426d8ee95d80237c95932a624f2ae893fc06f71d82f2962c44059d91daf3ff7db575c5f91f11f36d9711a3af02f16f6b425d1f28b8597701cd08

    • memory/2408-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

    • memory/2872-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2872-94-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB