Overview

overview

10

Static

static

5

69540daefb...18.exe

windows7-x64

10

69540daefb...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 01:43

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General

  • Target

    69540daefb0ea01e92b38ea03e71b776_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    69540daefb0ea01e92b38ea03e71b776

  • SHA1

    959603423d0c879bd5d38f1bf8c6a1766f9cd24e

  • SHA256

    1d067e4923586baf244a48748ab6062c0e2b9db368f004819a3bda2274a272ed

  • SHA512

    571405401bb1450d426b6552236cd0876556a29278869fd01d7db8d69fad5469a55b41c4d3fe96dcfbe9a9fdeb939669026db2718f922ef44f4c50b9c59d1897

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6o:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm53

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • 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.

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • 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
    persistence
  • 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
    adwarespyware
  • 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 34 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\69540daefb0ea01e92b38ea03e71b776_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\69540daefb0ea01e92b38ea03e71b776_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:1600
    • C:\Windows\SysWOW64\gmkyvrfpnj.exe
      gmkyvrfpnj.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:2096
      • C:\Windows\SysWOW64\hbqchuze.exe
        C:\Windows\system32\hbqchuze.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2508
    • C:\Windows\SysWOW64\zfrlkozlddfknmk.exe
      zfrlkozlddfknmk.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2980
    • C:\Windows\SysWOW64\hbqchuze.exe
      hbqchuze.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:2688
    • C:\Windows\SysWOW64\aysgrflsojnxp.exe
      aysgrflsojnxp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2840
    • 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:2592
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2012
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1992

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

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

      512KB

      MD5

      11a6a1dff19e7aa14f5142ceb422754c

      SHA1

      156c4f6790242382ed0b9f7a8b8b4b466a472c58

      SHA256

      8990e3cb08077f3e9b4ef85969b05806aa1a552a125ac28348d43d2fdedcf4c6

      SHA512

      2ff8268b4b4bd4bb00338ac5100e8270b8d60ad55df1017338fd2a09b03a30cee0f6a623dca5b871a276824f3dcfade6b6c63720b872be7b7f43eaeb1fd5b081

      Download Submit

    • C:\Windows\SysWOW64\zfrlkozlddfknmk.exe
      Filesize

      512KB

      MD5

      d1a2f554c9b1f5743c407f289e9aa9f1

      SHA1

      cb2dc564c5e49f69b2d13d811ee73348a578c860

      SHA256

      6d150d9e9245a5272fcfc8b8a454975a3b0ebe4f33067613cee3829c95f005aa

      SHA512

      cda59cd06708bf762f1534b3b900586a4cd697ea93a39375f16f7dcc0f026a9e019f6e0247ff82646ed4a40902d1af5a030679ea7060924213d4b0c949ff68a5

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\aysgrflsojnxp.exe
      Filesize

      512KB

      MD5

      5da555190c60dbf2037d972505dc2ac3

      SHA1

      b669af89870db0292ae936baa3768b7eb926c3f8

      SHA256

      8fedcdae9c11797b4f786b0473e582968ab51a25390195b83f9c30b37b8ee9db

      SHA512

      0acaa8da06722e9f65a28b6c1af75b5189a67bf0a8e4b3e13e295982496178c24c88ba12d322e048cc374c69878c9be73a412848c8a8561a5ba5849285c76750

      Download Submit

    • \Windows\SysWOW64\gmkyvrfpnj.exe
      Filesize

      512KB

      MD5

      0c4c47d4508f13a608556898b4696eea

      SHA1

      57bfc17d4f96f0204e05acdcc4fa41010acec85a

      SHA256

      22687d1c73f1cf13c13b460b2bfc57405a72bc001f7b51e432e46745077e92f9

      SHA512

      f5fb41ca9af55782e31280b2d5426f6670e131376e28f6473fc04b452e3cfcac31cb9ef9c248c5c26c169918f1e46b0628810b2ca43454fcda22f1d447c02048

      Download Submit

    • \Windows\SysWOW64\hbqchuze.exe
      Filesize

      512KB

      MD5

      c81953ef6b01bab425e92cb0ef2ef2e0

      SHA1

      2d3265bf0916b97e04cefb2e365b532e4177f93f

      SHA256

      c0a406f84c341ad87e973d3d1be619b62c4c2ad9b30f1edc3c320a272e1b05e3

      SHA512

      291999f49edc69dc75708a65041f638a93376550eba8d22a83b21734d6a12da377ea8e77851fc77060169292e115841b2210e969490311df6a7544b5d6db9143

      Download Submit

    • memory/1600-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/1992-83-0x0000000002AE0000-0x0000000002AF0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2592-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download