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Analysis

  • max time kernel
    149s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25/08/2024, 10:12

General

  • Target

    c082ff8af0528db66a7143e97522eeaa_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    c082ff8af0528db66a7143e97522eeaa

  • SHA1

    4982f63e1a67518db09ccf4a936993375fd5b68a

  • SHA256

    9d62e0190265ab56bfb4d0d581c29053455826f2f477f172f5e4baec8fdc433c

  • SHA512

    2a9b6b12d92d8e86d67330631ea92ca236a14d445f9c293a5ba2062ffd16e6b69c2911bd2e236c8077016df24c3b846890c66482a94d6bf21aace8f7861a1377

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6r:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm54

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\c082ff8af0528db66a7143e97522eeaa_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c082ff8af0528db66a7143e97522eeaa_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:2540
    • C:\Windows\SysWOW64\mnjbsbijak.exe
      mnjbsbijak.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:2100
      • C:\Windows\SysWOW64\fidiwwvu.exe
        C:\Windows\system32\fidiwwvu.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:1628
    • C:\Windows\SysWOW64\xtbpcuonvhxxuvp.exe
      xtbpcuonvhxxuvp.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:2816
    • C:\Windows\SysWOW64\fidiwwvu.exe
      fidiwwvu.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:2108
    • C:\Windows\SysWOW64\wipspkeyveocw.exe
      wipspkeyveocw.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1928
    • 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:2600
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2592

    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

      44ce76550323ec7aaed9ee103967bf42

      SHA1

      48f9bba7edfd906c1e89d9a7cb4a5856805b9ed9

      SHA256

      e90a46c852ac6937aad84cf1dfea6215fdffb795ec9786acb680f9c9cc491738

      SHA512

      a032c09494c4f124518affa07b1cf5154a63452d7d5cbc60c34a2c9cdf5e6868d0c16f0becc671b7fff750d0ce1bc9bb772fd670de62e756e2e9e163970f6630

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

      Filesize

      512KB

      MD5

      c86233a6af33c5e98c82e5beb1c0ce54

      SHA1

      90bab33aef38e748b66905a50548aa1e8860c691

      SHA256

      c2ccfa71adc30a60a3647d53b5199f7e7f8e39a26ad952b5c572e208c28cf752

      SHA512

      1ee7014cc569faf3933088d3b8512835b708f9a57735aaac4efdc0bc0d98b2c7d0bf1de2ac82b5b176c909e6109b290f5d06ac3dff1721ce6f34d9ca1a1ff2c4

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

      Filesize

      19KB

      MD5

      73b1e14824b48aa33e3650fd98d2b07e

      SHA1

      1a4111957d690048553a8289425e750e4ebcf8f4

      SHA256

      89a248950975c675ec0cde25db7c69c531e7094467229be25001d7297ac556ae

      SHA512

      68f16194d0334c157705b41a90acdd19509d31006536e43d5c786940093bd5b9d9812bc081e58b0030678762019a638ed5332428c23a06312522dda28ca6679b

    • C:\Windows\SysWOW64\xtbpcuonvhxxuvp.exe

      Filesize

      512KB

      MD5

      85db7d36dad5144dae4a32b9becd9bd8

      SHA1

      d760ae26289b710b38c6c2c56bbf20725649363b

      SHA256

      2234189a292195372b1178062565a32628557d9cd6a0733d77ff66e02933d649

      SHA512

      b4557407af2ab18764877f41c3fc621b3937f1df15e428a84e6f97e76b49f85b4f77447b8d149e658089fe0fa2e2298f4c23dea430a95fefee485e8c25a37127

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\fidiwwvu.exe

      Filesize

      512KB

      MD5

      bfc22857b58266cc306e4bb7e490ec4b

      SHA1

      787f1538a52c6df3944dce67619d7afde743a6ff

      SHA256

      6b40fffdd7264bee7eabd8fc6fc6f74bbe853d7fcc8ee4d4fff8c7858ebdd759

      SHA512

      1e5f37d018161bdd54ca5b36d18ab5c472252ed57ec16dbb2a14ec30711aadf73d9ee5e51110c3abe315e65aaa88cb49562567b044e08ad3cd0d268d2d9d3e95

    • \Windows\SysWOW64\mnjbsbijak.exe

      Filesize

      512KB

      MD5

      a985adf6a6fabecd7e1b3fc0ce82cdbf

      SHA1

      0df8e0b0ad857c142fab0cab38c83d1ea099a0e2

      SHA256

      76f5463ae915058c67828cab1f94196821bc3f291c49f34ce3817fc2051b7d78

      SHA512

      ffe6da8f08339b284c6a36163a7affca223b925fac2a9b9faddf07e95f131d491acaa13664e3d959680fd5dc7a48c3f561ad6417c0caa57dc9f704c57a15c11b

    • \Windows\SysWOW64\wipspkeyveocw.exe

      Filesize

      512KB

      MD5

      fe143f1e7ccbaf4d84b9c0ccd9a5e4f0

      SHA1

      a0f2d2c8ff15485bb6bffb1667238fda6db32d47

      SHA256

      f4359e983e4fa9739ec8d78a12faf758c48cedc1c643d4aa2ebbb62a5fcb769d

      SHA512

      75037dad73602182735f26a38d8160810ec69f5645df8d9c7ccc007508dad8132a7b0d6dd85b6e83e5a84e28b2a2dff0f03560926f27ab2c098e53e7a091fa8c

    • memory/2540-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

    • memory/2600-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2600-89-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB