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Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/09/2024, 22:08

General

  • Target

    ee849dcee1607b4e7a2f1c69f2ff547b_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    ee849dcee1607b4e7a2f1c69f2ff547b

  • SHA1

    ea661a9c9b1b50698574b21829690f3622ba3649

  • SHA256

    62307422f67e2c10ea5621efabfa761d2bc32bcf8e03ba7ad4100b1231bd9aa7

  • SHA512

    3efe7d24280c0e8e390278da707dad635c562c3ac322bcaefabff42641b968db242aafd689b453134dedc4a1b2dacd5a282d2cbb436487ed44236208aca00262

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6G: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
  • 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 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\ee849dcee1607b4e7a2f1c69f2ff547b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ee849dcee1607b4e7a2f1c69f2ff547b_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:2168
    • C:\Windows\SysWOW64\rzuerpeabb.exe
      rzuerpeabb.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:2484
      • C:\Windows\SysWOW64\nbbdsxlx.exe
        C:\Windows\system32\nbbdsxlx.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:2744
    • C:\Windows\SysWOW64\ryrnstqgbmouhis.exe
      ryrnstqgbmouhis.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:2192
    • C:\Windows\SysWOW64\nbbdsxlx.exe
      nbbdsxlx.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:2200
    • C:\Windows\SysWOW64\ydnuhwdxepckc.exe
      ydnuhwdxepckc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2756
    • 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:3060
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2836

    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

      bd4a99f533edaf9b9b3fd1af6ba9d1e7

      SHA1

      242d8edfaea53022b170023aa3aeaff2ad74398a

      SHA256

      61db46e9dafa20679c1c81e8d01fefefb42151c875d0205df80efbe8dca2af3e

      SHA512

      c4f860730be5c00ff14d6d2dbc1cd44596d69489c16a5e428ee60f6c431a849c2d53d9d9eee374e237c9c0c5dec76dd0a40b2cac1261c3e3c4a82d333c4c90df

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

      Filesize

      512KB

      MD5

      6bacc72fb01ec6ec4ec01f5993bc25de

      SHA1

      56ae5e152d3eb49e1929216d7339f82364471e59

      SHA256

      e5fa3cbc422580de7ff5edfcb97896bf4d0690cd62622d25d007d22c05f3025a

      SHA512

      c5a5ec3236bef0d196c62211d9e62ac1baf88468e77ab634f8c32d46e718a9c13dafd9c709dc4e22edbf09ccc47222fb03ee8011e69d58a89f79ee8012032093

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

      Filesize

      19KB

      MD5

      72a83d1f8e4a13345da3ff5209d63e02

      SHA1

      6a5e6eab4d4223e44ce8c5babf0e92936c147b5d

      SHA256

      1c137a6d8813d3f16c1c0ed903b5161825601ac02fba50fc1e13081ddb6d4ac6

      SHA512

      343c8527059339df769e50e0eae64b72c5cde77f5e2eb59e5343a41ec85cb6efefe858cfed99761498ae074a9562d02d60e6a441659f0e8329ac10fb6d5eb2dc

    • C:\Windows\SysWOW64\nbbdsxlx.exe

      Filesize

      512KB

      MD5

      4699f890f1212b1cccb346310fbacfbf

      SHA1

      fb589c0b1741a0bfd8963ce5de9e3a4ffb8da890

      SHA256

      06ac649fdada455c2f8f0195b236c552465674a3d6af92b8b434f1a614f0d4f6

      SHA512

      bb3752a3677f2bc535d2987406564d1cd7039a7afb4c13f1530bd53f95242c4a98f470c3f9332913ccffc0bf3d004aca3a4387b33165afa527e78c54724819ee

    • C:\Windows\SysWOW64\ryrnstqgbmouhis.exe

      Filesize

      512KB

      MD5

      c3529a2e7ed84a7f21e793152cc2867e

      SHA1

      36ec6bb0e711b7228924987f837fe285103eb350

      SHA256

      8f5c4940f7c82e70745f014b3f82b8f55b71bd34757c45ce9386c3bcfa8c149e

      SHA512

      e034e53b3704856db888d3b818b7b0e773fe79c0f45436144c85466ef16c4d7006c409df4817633d9c401c70e81df08b2487a6f370fd392213e55b5cc89e5acf

    • C:\Windows\SysWOW64\rzuerpeabb.exe

      Filesize

      512KB

      MD5

      1788c5e370ebed6dcb0eda6979276eee

      SHA1

      d22f8e39df223940f6f0411ed1957c0f6852c201

      SHA256

      9729de0272b39ac3918a781c797a3cacd02ca904f79980ac31f03f1800453e61

      SHA512

      4c35ba5e71495ccdd17710822398d899421ee33938e0d2e8da3526c58203e05acca61e0733f32b72977c970c0339b9258fb97ae32c5ffc82652e6fc4cbd06fc3

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\ydnuhwdxepckc.exe

      Filesize

      512KB

      MD5

      36a438c954c9fd3037c68ae447b1bf44

      SHA1

      1f4094702ade01faebd10b1aca046da8a5a7cd38

      SHA256

      20a6227b7899d83e07ffff3801255c923a01dbc02ec9df0e29c784bb8993db6e

      SHA512

      2d6c931fafb733e59c750237985df6cd0e444ce3c373624ccbb03587cba11d1243c8873fb471e2aa7c9f80b73d808de8352dc025d89d7647dd8f305b8d7ec8bc

    • memory/2168-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

    • memory/3060-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/3060-90-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB