Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/09/2024, 20:12

General

  • Target

    f6c7956e7e90c6aeb7bc40993e634bcf_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    f6c7956e7e90c6aeb7bc40993e634bcf

  • SHA1

    10b951a1c58018d699270115d3434c7510d4b098

  • SHA256

    841144139ea05e5d700bc43ca2ddaf861da9f0b24342949fc6d8106751a3510e

  • SHA512

    705fc93692dc9761ea7adf16b0f9b40b83230e2e03f02dd2a3bb346b736835486e5372e714dc54b489ab1e1d6f23934ce21539e0e1183c7abca064cbd9bdedc6

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6g:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5P

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 29 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\f6c7956e7e90c6aeb7bc40993e634bcf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f6c7956e7e90c6aeb7bc40993e634bcf_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:2112
    • C:\Windows\SysWOW64\zfrmqfrrwm.exe
      zfrmqfrrwm.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:2452
      • C:\Windows\SysWOW64\haquuzlw.exe
        C:\Windows\system32\haquuzlw.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:2708
    • C:\Windows\SysWOW64\cwzrrycrhiwvbmk.exe
      cwzrrycrhiwvbmk.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:3012
    • C:\Windows\SysWOW64\haquuzlw.exe
      haquuzlw.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:2136
    • C:\Windows\SysWOW64\kejuynstkirzn.exe
      kejuynstkirzn.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2956
    • 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:2208
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1960

    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

      90e0ca7d2364aa48a62d49c083191078

      SHA1

      316d57c8d9a3f81ada49a58232547d213bee186f

      SHA256

      2d111a40031f1ebf67ab8c3044b084d5e2c40742a709debe2325d806b84a20bb

      SHA512

      df43a14cd3c2c0b11da737a3b0fe991e0c49105b1fdff99453d657eb6d63367505eed74b74365f45c0132324ced8ba92ea0622840929b436eb89b51d9f4755e0

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

      Filesize

      512KB

      MD5

      324aa0a44c74e27fde5bbaefaeb9e684

      SHA1

      e05e40a915308ced9ec009923168d23e945503a0

      SHA256

      5dee74ba5bcddd1177fd7e6d83303fcd45fa762423660c1f5c68969e96b1aa92

      SHA512

      bd5ac403dd413f6772b88a944b4ad90bdae4bfd05efda3eafa517616418cfd6efaa0168c1f8fa3de4979dd8e6650fc6aec8a9547da84a0797a2a25ac8ee434cf

    • C:\Program Files\ExitRequest.doc.exe

      Filesize

      512KB

      MD5

      b9edacd5dceb58e907104c523a4eefb0

      SHA1

      92a568de776573c11be41f4b459375b11c82402c

      SHA256

      d86dbb68f4005c850dca2665bf253617559a391b90007a5092912a246b1d9ee7

      SHA512

      ae0ca2989a8d4ac5b0402d6335c679f729603ab4817a120e7a00ace3a47f821cc11565e70829c59f5d25b77b8bb10f48114523e22771855ae01d01a8ae9eda22

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

      Filesize

      19KB

      MD5

      4cdb7d357065895c15d584b8471dc985

      SHA1

      c226612a8985258a9f89e2cd1c515853b4c254d1

      SHA256

      e6477470a3d2000f580b7dc1b19c8d428ce8410877cfd2aedd25e083291f7ec9

      SHA512

      3fcec2ba0d15bb3940f2db02031245a7cf7fdbaf1d1c44e6cec8db37011a40dd2541e019e1247904d6dc5443e2501b93bf27ac4b9a09eb74dfb45080b69372db

    • C:\Windows\SysWOW64\cwzrrycrhiwvbmk.exe

      Filesize

      512KB

      MD5

      f0ff9790895aed965dcd648dda8d2ca0

      SHA1

      5f194cba04149caf8a469604a91b87d344e9cfcd

      SHA256

      488b895258599377d8332ca874c3ca36bffb892eff36aab522d7e4c23ea60969

      SHA512

      c9043fa5cf0365f63f09054ce443e72d64b1fa40883b53643123287dba870bcd12ee7f8cae9b2cf9cb895a63af6c576c0e694db7adb5890df3bf6c40be1f4394

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\haquuzlw.exe

      Filesize

      512KB

      MD5

      10830be68825ff7fd4cee164dae71a3c

      SHA1

      f8c900a80769890382798796227220453edf1fd6

      SHA256

      3eb3f8c044a8aabb9b860a6f1b24cbc568db5a23dc377772f96273b74466db3c

      SHA512

      e5bb62868a612809812a514585a7d862daf177504a2cdb2b86a3c4ad68d0eb66fc13d4b5a6bfe90f746c160e394fea810534452cafbf19d219869c3de3d08295

    • \Windows\SysWOW64\kejuynstkirzn.exe

      Filesize

      512KB

      MD5

      47645d7dd6483a8203993289eb7f07be

      SHA1

      465b07e9f3c82e9df39e445d737d7d3a7fa0927c

      SHA256

      73d91a5903dde064ac8404837447ee8afa3404d46554d1a94eeb6373a10adc65

      SHA512

      7bdb54cf9aa1ad4047936915a5f2f4d5164cbe6ce492d6f996d2abf27b0ef423628185889ea51b906e3fc82062dc11fc87db96b012e4f5e25b61cbfdaefe72f2

    • \Windows\SysWOW64\zfrmqfrrwm.exe

      Filesize

      512KB

      MD5

      c1ec999cd5da38ef015f89e988064ed8

      SHA1

      41995246d10c61f61cc8763482440493ded96d5b

      SHA256

      6aa762fea58d8012ffe06da2936b93db355de57f9c343f1dcfc26a9612608c00

      SHA512

      51605facf49abb328a0c7b172bc313526bf2fea3d42bf88c0d7b64235d4e1c82c00b11f8d464c1863943aa6907792879f801cf438b5af925bcece4673687b989

    • memory/2112-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

    • memory/2208-50-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2208-102-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB