Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 13:16

General

  • Target

    8446c3639a6f4ec5a9935ce446ae2728_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    8446c3639a6f4ec5a9935ce446ae2728

  • SHA1

    9cc04840fadd4d6591ad87e40163ec9e571b7e27

  • SHA256

    5e5cfe9f55fd36f4c0bab6ebad0d7e5dfa7749c94dcaed927697f3394fa1f933

  • SHA512

    9466103187a0a1c857977cd5fefd342faea23ef287e332bb6b980a204b229f99f0adec80da801a4fd6675566952e62660d9935e02edd1dd952eeeff678ab70ca

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6w:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm57

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 6 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 30 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\8446c3639a6f4ec5a9935ce446ae2728_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8446c3639a6f4ec5a9935ce446ae2728_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:2848
    • C:\Windows\SysWOW64\gnqamrlzze.exe
      gnqamrlzze.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:2616
      • C:\Windows\SysWOW64\wqdukmpo.exe
        C:\Windows\system32\wqdukmpo.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2548
    • C:\Windows\SysWOW64\ewsqzliskqrmodp.exe
      ewsqzliskqrmodp.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2624
    • C:\Windows\SysWOW64\wqdukmpo.exe
      wqdukmpo.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:2800
    • C:\Windows\SysWOW64\trosuypprbygj.exe
      trosuypprbygj.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2864
    • 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:2572
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2252
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:344

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      512KB

      MD5

      e929fddd0bfc9a7ed3a33dafb25c6609

      SHA1

      a61f628d39dcf0bd97c0e4fae50a7531fcc95efd

      SHA256

      b3f0808f50fc96febfe95a979008f8a65f1419b4545b2105ab52c8fa46ec878e

      SHA512

      8a2b24c1fc3dbd0f055c6a23340bac26ff4310c401d16108278132d4b38e66dd6ad86c64033e1c81a0f9db94926ec47755b760038b79e9006671ac9eda7406bc

    • C:\Windows\SysWOW64\ewsqzliskqrmodp.exe

      Filesize

      512KB

      MD5

      92ad467d496ea6b522c3927740b29d92

      SHA1

      67d13b52c7e2b47b17fa2a0c17bd3914f79ecf5d

      SHA256

      f5b77d33cb2ce0c79da6eb1c013dc710518360b67dfa7f88392c2bc96325332a

      SHA512

      53ee42137aba87be2addc85b01c395318988f320703d2ec18255a591ea3936bdf45387ab447664ae987bb02720ff4398bd40ba2f2aa29aa5369839e96fe74580

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\gnqamrlzze.exe

      Filesize

      512KB

      MD5

      bbb190d2baf090916ad264508d6bd2f4

      SHA1

      078b80b28db25cc52797c16536a3bb39e22bd0bd

      SHA256

      f732ecbc7e60108f825a249a20b38e261293318c35caae7cac7a1c8ab8fed1ea

      SHA512

      f9124db43725c20887b25dbbaf634c562e927b53b0f307b4a26aaac951c042f7651142948ea0c140264091c881d6ecaf85e122677e80ad0e28ba83da859fcb6b

    • \Windows\SysWOW64\trosuypprbygj.exe

      Filesize

      512KB

      MD5

      c5e29ac628c7d2526672442d8e9bc4d8

      SHA1

      fe6d3203fe7a123a1e40fe5fce403b5943d741a7

      SHA256

      ea0178600555694beebb93a3aa924bacf546d4c27089b052ea27029e40863b1c

      SHA512

      eae1fa98733cb0c3b86200dcb767c2f06093e80f1b5206e4cf8882579dcd44add0bbe463311c9644e4655ce746fc05c38f71daad85d216d3b3459024214c8c10

    • \Windows\SysWOW64\wqdukmpo.exe

      Filesize

      512KB

      MD5

      ca357127bfd7908ec9a359e57da901b7

      SHA1

      4361585a71240813ebce4d14b217fda35c02bfcf

      SHA256

      dfdec70b74bdeb2a3bba2989d62ce9daac68178c5dc9145860502710e3d8d616

      SHA512

      c711238634e883b0d656c4aa5786feedd5b530ee020a9be3e9602c809e7dd42ec4c92be87b21bdac865b36ebac4d914f3ef7e7443f2f8be442f8284d1e6de692

    • memory/344-87-0x0000000002B90000-0x0000000002BA0000-memory.dmp

      Filesize

      64KB

    • memory/2572-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2848-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB