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Analysis

  • max time kernel
    150s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/09/2024, 22:23

General

  • Target

    db53214997f3f8f0ab3925730ef560aa_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    db53214997f3f8f0ab3925730ef560aa

  • SHA1

    831e75721a64692f52c56ba7ef8c94b09e84a927

  • SHA256

    e826ff5437728e84f7c12ba6a28d527bb45e2a8d5ef3e88933a9c99425d2aee0

  • SHA512

    d291e04f0e89f6e2b543793bd11a10ebf5d86a0a577a5ec11f3a05e02fd9bc9bd4ec5411cb2cbd665f2e35fe074534f72947e627de32cdc655cd2d7c13bd1424

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6X:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5m

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 15 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 8 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 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db53214997f3f8f0ab3925730ef560aa_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\db53214997f3f8f0ab3925730ef560aa_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:2648
    • C:\Windows\SysWOW64\ttfndoeyhz.exe
      ttfndoeyhz.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:2672
      • C:\Windows\SysWOW64\kohrgoxo.exe
        C:\Windows\system32\kohrgoxo.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:2392
    • C:\Windows\SysWOW64\zrtkvbsokonyvcl.exe
      zrtkvbsokonyvcl.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
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c xrbwxjyotlisz.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2560
    • C:\Windows\SysWOW64\kohrgoxo.exe
      kohrgoxo.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:2920
    • C:\Windows\SysWOW64\xrbwxjyotlisz.exe
      xrbwxjyotlisz.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2712
    • 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:1332
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2176

    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

      9e63186dbf08447df27196f5023480b6

      SHA1

      2fd62e4864b53b04e0fe717515abfac2b2113d1b

      SHA256

      00e3ab31e1a01ed7f0797532840fe977542e3630921a5e320dd1716d9728000a

      SHA512

      12eae0ad8940b4fa96715f592bedb6bcce2342c5106dff1294bc6f953f42343cddc7902b55d126312fb4547429b1c7903e2a1b524a8d507c638bd081c6fa5d7f

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

      Filesize

      512KB

      MD5

      0b5b2af81f3eb23247614c47a957ca25

      SHA1

      42eed20bf764ae3eec13991d383cc85752cedfa8

      SHA256

      e7425be937df883f1d005cdb2aad08acb4860b2c9f7015f7088b1c83f0c04dd5

      SHA512

      86a6d9b0cc1f7ff0e1cb52b30e20e89b43705adfe2207da92008fce2ba947d36cc2ac31f09ac158cea691181308784dabdef25d23f41dd678e1429ce8b3ce409

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

      Filesize

      19KB

      MD5

      907cf5bea434483263549ca667b5bf57

      SHA1

      a6de4ea57574f89fca2f307929e5396c10766b09

      SHA256

      4499121e3704dcdad43a9c9586b06495a2d9a49bb235800792ad7f081527d75e

      SHA512

      b5357a4ab03ea4e5263dc4f03ce9356c2eccdf7f6c1a06d29a79b63d81487119ce1d2f8997f24e44f2948f5636805a852b9c89d7931c64903928ef62addbbb66

    • C:\Windows\SysWOW64\kohrgoxo.exe

      Filesize

      512KB

      MD5

      361a6ea7d8d9678109b583ed6d0f24f7

      SHA1

      83d65550f5481536fe75242341f8338ea74584da

      SHA256

      cd6aab0ab38b936a4b34960e1644c3cf1a5282e793cd9636a93e4658cd632679

      SHA512

      67ea7d7a9eb5281faff447026b5ff13d4297d5f3eb4be3a90e262f95f47506f09efed88031416cfbc669230aed97882e3a820568d1f815cb8915c869e4bf667b

    • C:\Windows\SysWOW64\xrbwxjyotlisz.exe

      Filesize

      512KB

      MD5

      7365ae04a6591200f1364e9e147328a4

      SHA1

      dd5499c4ca84080953365d81615cb010f7400ff3

      SHA256

      25d4f3d6b7e9fe91219b01943416ebd54aa9a31a5434c6e22d8c56ae11acb12d

      SHA512

      6902caaee2714ef00cd52626e214de2e458eb3ad6ee8e0865fa11f218a38fb8a8987c7137e92baebd242d3064beecefb315d82bf46590b1ab97519572f2a7fac

    • C:\Windows\SysWOW64\zrtkvbsokonyvcl.exe

      Filesize

      512KB

      MD5

      f52b484b214e5d97d95887abd2ba9804

      SHA1

      3f3bc546b432ae5e27ad9fb6d084ef61d8ed3bda

      SHA256

      e5715e6cf5b86b6a28c92e49e834bc181078e2169b85dee85ecef6e773d0ba7f

      SHA512

      9e393bf2f832d9d9f6a383dce3d445a0495f1c401adbc6a8a61581a338a304aede1988e0e45513839c8657c08faa34d8426bffd96bfb1255f79275289c9f1ed0

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\ttfndoeyhz.exe

      Filesize

      512KB

      MD5

      9d7c7ec29ace7c35fc47688b902c79c0

      SHA1

      2b042b259204cb28635de6b18940ec0bcba12897

      SHA256

      f7b666bb49b0fe643f976481676d23ad1ff958fa9b5c5f4f18e405090dd50aa8

      SHA512

      134888ee0b1e71d5a39e25bf7727f2c5d8020e15758c53b1c097f5efe7185b9d0f888faac4cd92ffa05feb32063e65cbf1c909664fcc05a0a99304819410b60b

    • memory/1332-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1332-95-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2648-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB