Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    03-06-2024 07:22

General

  • Target

    90f0c70e05a03f187734ef651882f6a0_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    90f0c70e05a03f187734ef651882f6a0

  • SHA1

    84bb8f123173c489f3acbbf895bcf92915a6b0ae

  • SHA256

    f6b159c8e4bb247707be0d044837853e913065bc2c0c0e0d4d23dd3148afaaad

  • SHA512

    df00064bf0b72ea6706b4a13fed12859a7dff93760657ead9da4a983bdbca50ca7d6461b5e11370328d15b5ee9dec118d33a904219b0c3d1602f531cd0d8681d

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6D:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm52

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
  • Modifies Installed Components in the registry 2 TTPs 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 5 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 36 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\90f0c70e05a03f187734ef651882f6a0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\90f0c70e05a03f187734ef651882f6a0_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • 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:1532
    • C:\Windows\SysWOW64\shepudktgt.exe
      shepudktgt.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
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2100
      • C:\Windows\SysWOW64\hyzqdpem.exe
        C:\Windows\system32\hyzqdpem.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1972
    • C:\Windows\SysWOW64\wqootfsbvvudioe.exe
      wqootfsbvvudioe.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2616
    • C:\Windows\SysWOW64\hyzqdpem.exe
      hyzqdpem.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2724
    • C:\Windows\SysWOW64\kblhixibkspxb.exe
      kblhixibkspxb.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2604
    • 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
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2468
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2324
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2160

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\kblhixibkspxb.exe

      Filesize

      512KB

      MD5

      275f2c1d0b3c40ac9aa69d2c6420d63b

      SHA1

      b1b5a09fe809dcc032ca8aa225c1b9dba75d3734

      SHA256

      c6a8a0f7ba61c528d510f173b0cf751078954278500f0064ae235b4a2c353adf

      SHA512

      8256710f98f5194a779372fa899a8e512d0a3a7ffeaecb628817881c52ac7a9b77fc5703c99814db6228beb77e0ad360c63435f32ebb65fe57a6ea8ad70332b6

    • C:\Windows\SysWOW64\wqootfsbvvudioe.exe

      Filesize

      512KB

      MD5

      7645aa45c5b8746b4a34f9cf4eb77ff0

      SHA1

      4572d1fe871067424e5d3d2e7b7bdf792c55970d

      SHA256

      59fdbc19bfc0fe5b7701bd4ff8d71d0910cf8d976408b9912f6b61cc0ca0d202

      SHA512

      6827fb85e1d1009889bf1badafe3558d5d47670e479e68cdb5ea9732ab6b5a03cab869ff0cb25c95a7ec1daeab74fd7d2ec347e0a5cab2e954c6a72f62717ec5

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\hyzqdpem.exe

      Filesize

      512KB

      MD5

      254306bac88b4bc66670286aeeeafa3b

      SHA1

      700b3633064564c44a65ec8b1318042ac76bd652

      SHA256

      21884f7885565687529bcfcce037a98c7d549b961fdc62899d6890faa15e9877

      SHA512

      989ce155a122983e3eb58b2bba8d765ad906eaaca89e3d60a47f8338d75f3f3e177ea3d8018689efbd1f1d1a8615c9dc838072914e8fd5f7800cbeb2dc51885b

    • \Windows\SysWOW64\shepudktgt.exe

      Filesize

      512KB

      MD5

      5adf39088d6c1ec648f604e6c74758b0

      SHA1

      7769268d867accaa120db47f49d17fcfaa3dce11

      SHA256

      a42c6b92564d3c4aa2dc2aa32f5e21a3107d2312edee2591bdb42f7b883b90a6

      SHA512

      9d68ab69c0709deafefd6514bda9dbb10cb548c4d1e287982ccd617d0b9374a80446533205d8b4a9710f0daf457bf458478eabcd5d456ab47ae99d240d488a14

    • memory/1532-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

    • memory/2468-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB