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Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/09/2024, 08:53

General

  • Target

    fa194653ada608d5c37145813acd5715_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    fa194653ada608d5c37145813acd5715

  • SHA1

    7992964158202ed0a5a68cf970f8a8619dfaa87c

  • SHA256

    08c3c75b93f5ff45351e8f2ba9f4af4d7b13cb65093128065c08ed53933dc564

  • SHA512

    ce1a0974ff4f009a3fd5cd0bf3907a3fa2e5e6a81af13ba39486f489868ca65412ed064b383bcf6a853e93d98d490fcae3e9f008513e38e47e795761658a3928

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6w:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5D

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 3 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 8 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\fa194653ada608d5c37145813acd5715_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fa194653ada608d5c37145813acd5715_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:2336
    • C:\Windows\SysWOW64\halmfbxysu.exe
      halmfbxysu.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:3012
      • C:\Windows\SysWOW64\lkmyeegw.exe
        C:\Windows\system32\lkmyeegw.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:3064
    • C:\Windows\SysWOW64\mtktluujjybkbhn.exe
      mtktluujjybkbhn.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:2800
    • C:\Windows\SysWOW64\lkmyeegw.exe
      lkmyeegw.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:3044
    • C:\Windows\SysWOW64\vpzddyufbneou.exe
      vpzddyufbneou.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2724
    • 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:2864
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1688

    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

      29344e02d68067805dd5cf032680c82c

      SHA1

      0e5b30a697e8f9d34da410b195da2e4281043076

      SHA256

      7a8d15ce12c796dbd6482e7d3c8e1c8c84710b7388d7dc0026fcaa23a6ba950a

      SHA512

      09e7c563a333c6cfbb5477fec4ff49a05d71f7f914273b2a9f29a33a1615640e713f87eb84661db4633068a0638c7d1a113661af110a71ac640c2a9efab4d45c

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

      Filesize

      19KB

      MD5

      0a86b0abb99bbb497a0010e421a307d6

      SHA1

      5d0e2bf08e6a064711cb9298bb4d226b1a158676

      SHA256

      2e47300050a87eeae89aba610c3c6f7a944712edaa1a2c07e0e95bc4e9a7381a

      SHA512

      74109233236cef93edc024a1d5e7c43f82eecf3c752d58614c41adcc9865fc74f6f20caf69f6a14aadfa65577272ed3b96817e86ea1954222a83e1d999dddb2c

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

      Filesize

      512KB

      MD5

      bc1577ee5dedca47050fc97a2c958127

      SHA1

      4a785e86bced9428a5557708d51683efa3396355

      SHA256

      c36a480f0a96659788566674093692cd3c03199be69e89d8d9cbddaf7d9eaa24

      SHA512

      d3660c5e9073abdcd22ff063b66a37f09b2f4c650283526b7c9b6f3923c3e1bd6d826d1a5bb23d9dcccf9ccf20771a661b603f4bd23ba00d198e329a19fab092

    • C:\Windows\SysWOW64\lkmyeegw.exe

      Filesize

      512KB

      MD5

      75abce5f4fb4c23caad52d8355eb6ad5

      SHA1

      aa4940462d403d41512416e305fe9075c4863f31

      SHA256

      f6aad6f6f659ca9c1c97794fc76359ce0212cfc7e1972ccf4f67794312153749

      SHA512

      857c2f87bf3c830d7539054ba75519127f060bbaeca34ab2c75de06f5da75887f69c8ba2710cccf582ca31fa762611cd7675573d1b603080db4504efd74282a3

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

      Filesize

      512KB

      MD5

      4502b237fe1b239c79ddb3bb349aaaa8

      SHA1

      715b43433d21fbeb18cd37475b73a4e4adb0b858

      SHA256

      1493eafe4bb8092977c444f53f6ff3304324e2747aa58fd3fdda0a3740dbb05c

      SHA512

      f6c9a84a24e34afeac055cd7ccbef5c24a1c4b143ec4f366de3d5c5fffbad20e7288285ef72afe0dd388afebb264aa63022af3e4ea64b311941981315178cb17

    • \Windows\SysWOW64\halmfbxysu.exe

      Filesize

      512KB

      MD5

      d35d23d0d2954c44330eedd3b3b435ba

      SHA1

      79c4ea2a0feeada453e46828c17e71663078f749

      SHA256

      cfd14ecc804d67ea9229a554105be77e2b8cf4f3f9aad6e4038bc54d6c487142

      SHA512

      14734d9a83595c34626248726877071dfbcffc42f8ee6bce82149eccaf99d95184833626f4d3ee34d47e6a790425d143f54d3c6548fd22f72a2c7e9ed3bc76b9

    • \Windows\SysWOW64\mtktluujjybkbhn.exe

      Filesize

      512KB

      MD5

      629a567a4213d834d642fc478ff86bd2

      SHA1

      a1032b65423453f3e7f83c721f6965ac79dc7867

      SHA256

      da20459c600ff526e8731723b907fe0348ed6aebef5a1c0b90c68f48df48b50b

      SHA512

      80bd65498581163eb07c261c6fda70544b0ea2810fc2f0e83e4971c098c044aa4d28221143f34b411a6a9174622d82b00a54e8502ebd707cc0d4970faa504fc8

    • \Windows\SysWOW64\vpzddyufbneou.exe

      Filesize

      512KB

      MD5

      4294339da2588d22c30d7be4cb7c3fd6

      SHA1

      af1da3bfc5765a8272e0753aacb8efebb7622e09

      SHA256

      8b510bcb5a025994dc514557b087f98e7c38c68455579281dbb94a463eafc0d3

      SHA512

      d65e2042bed275b95d78e6a70d3dc3b689c9aa8712bb3f8eca50fd1a8b31aa3e7bda78810bfd46c658db9de8866bc69d86871bd896244ebc639c7a8d38df7d12

    • memory/2336-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

    • memory/2864-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2864-103-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB