Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 10:44

General

  • Target

    45cb60ae113dec6e981c4de731eeec82_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    45cb60ae113dec6e981c4de731eeec82

  • SHA1

    9379357a85748e623c7ba9c6c7b293e947dc5ed8

  • SHA256

    3b9a638cd3fe3315d7aa86d50f41647c0d33f05893d8d3f67ed360cefb670e86

  • SHA512

    593b4fbffc5a4870ce9dbfebbdafdd17c674796cf32bf6e35a274f1c909b12153c7790c4e25b43f25731cd298ed047d06f0f3e32c2a2fea83055e63725ce4d90

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6e:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5z

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 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 5 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 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\45cb60ae113dec6e981c4de731eeec82_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\45cb60ae113dec6e981c4de731eeec82_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:2060
    • C:\Windows\SysWOW64\rawzmsvtwq.exe
      rawzmsvtwq.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:2132
      • C:\Windows\SysWOW64\sznufzsr.exe
        C:\Windows\system32\sznufzsr.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:2564
    • C:\Windows\SysWOW64\omupujwxtivgfok.exe
      omupujwxtivgfok.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1944
    • C:\Windows\SysWOW64\sznufzsr.exe
      sznufzsr.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:2596
    • C:\Windows\SysWOW64\jlttdjmydcbbv.exe
      jlttdjmydcbbv.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2672
    • 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:2584
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1516

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            512KB

            MD5

            dd776bb7ce50084504e777295215ee7e

            SHA1

            71a94593f4e62ea40a880877377a68e8c6a67d5f

            SHA256

            dade16dfc07fa446eca15837b51b2d282cb3234c409753612de7101e1201184c

            SHA512

            f05137777c35fb87887e018fdb4bae1ff5026332e85b72d975e5fa3a5bb193000bfce5bb99d7da13879f8ca0b4962a544530b7d95366fe740b0d3ccc8e632763

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

            Filesize

            20KB

            MD5

            0820c40e887801700a3b8a9e7f7ee80a

            SHA1

            9d89a4cbeaebc8e73ac4c21edbde85f1d8910f45

            SHA256

            2b31beab00c29d486aaf3a4e2a6206fdbf038603ed348c501ca8ce949597dbf8

            SHA512

            7bf7b1a10df90d64ea4b62bccd5d791284129da23b24235e3cf5aff9d5eae0bb4cbf4dcd78b230b742b3988a3539ceee44f7ceb05a6666e1545ceb1cdb964a12

          • C:\Windows\SysWOW64\omupujwxtivgfok.exe

            Filesize

            512KB

            MD5

            db26e0d6f05c046c319ce16d45f1e6a5

            SHA1

            fb035daa8a1d8b941e19c4092671fca2eaf5e316

            SHA256

            98dd67a228f1615723c69ee3a499e32ec35c1ae87105daf5dd6f1da6b776b7d8

            SHA512

            b1df8e6b5998215474b473b349f53fc19ace83ab92289cb5483bbbe147f0b4126c2fe7c84c859a9d7c071eecb3dc8f6c4e82a743afc02edb4fd9bc1daa51af93

          • C:\Windows\mydoc.rtf

            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

          • \Windows\SysWOW64\jlttdjmydcbbv.exe

            Filesize

            512KB

            MD5

            a7983ed0cc36b67717ed0f7c43900f89

            SHA1

            fb9d959f6d5614cc6a9f6a07ff111362c04fc3d0

            SHA256

            40635b905afd88fb8762f76794c3517ce3fab0251cd8995e8c5996efdf4613cb

            SHA512

            05a15af7d5ef38f52981970e70dadc9c37a440d3d6084e5f5fb091d2de225786ff74b243d491fbd44de309aa85e9301b0aa474221545eac964fd69a773c8c34a

          • \Windows\SysWOW64\rawzmsvtwq.exe

            Filesize

            512KB

            MD5

            aa04d7069a86e719a79a8bd27f5aa364

            SHA1

            ffbc4dc8a4dfe0f4a6276f4e93a60d4479d2dd27

            SHA256

            fc8a6f0b012f066d6819e947dfacd43d799eab1614c9e5780755522aa945c66e

            SHA512

            7d61097a75c33a26f90691a80958d0f6ec6609b276ec2f762a4698e1d293dd49582e56b4f0be1990ba78f202dfa4faebe6277c980a5fa4859cc9575723410aad

          • \Windows\SysWOW64\sznufzsr.exe

            Filesize

            512KB

            MD5

            4a822b533c807eba42eafcbf79383565

            SHA1

            0a765f2c290a2077ae9f2870fe5d3dfd4c0392ee

            SHA256

            a90b57804548ac070247f04d4cffe222487d28d4e6e49df7358e5ebb52e2645c

            SHA512

            068d756050946e3e3fdf4a4e44ec652a85429a405c267ecb075b1c3601e65ef3c9e7e1f1bf8251e1e11a2933021f0a855c271e71c3daa0152ef381d6dcf458ba

          • memory/2060-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

          • memory/2584-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2584-93-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB