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Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 16:43

General

  • Target

    74dfac0b393742f0e572e6d31fc38523_JaffaCakes118.exe

  • Size

    756KB

  • MD5

    74dfac0b393742f0e572e6d31fc38523

  • SHA1

    690c92867d5c6d5e4fd2d444fda96863eab91bfd

  • SHA256

    cb1cca8d57b74c12ad478460a2e48b92bb36814c38c935e3f4fa49c68f62a179

  • SHA512

    6e140f5075315a21e36b81a2aa76ae0ce118600f80f45a3c422e769b469509f14ff445b1f8102c04ab27e038f5a5c4147cdd522d9866f1f137a50f2665a75372

  • SSDEEP

    12288:7z+eiZ+oAqscfid1beffMSF6UQGDxG0RgrGgYXTe2nccK:7z+PdbidFWxIIDo0gYXTN4

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ModiLoader Second Stage 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74dfac0b393742f0e572e6d31fc38523_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\74dfac0b393742f0e572e6d31fc38523_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoicess.exe
      "C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoicess.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3924
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\system32\calc.exe"
        3⤵
          PID:64
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 12
            4⤵
            • Program crash
            PID:1556
        • C:\program files\internet explorer\IEXPLORE.EXE
          "C:\program files\internet explorer\IEXPLORE.EXE"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2716
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2716 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3160
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\SgotoDel.bat""
        2⤵
        • System Location Discovery: System Language Discovery
        PID:3084
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 64 -ip 64
      1⤵
        PID:2824

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\Common Files\Microsoft Shared\MSINFO\SgotoDel.bat

        Filesize

        212B

        MD5

        bfeff9085f5c23b3774e8b204db86b1f

        SHA1

        928ea670c1e2e7b948ff072ca7cbd9917c34209e

        SHA256

        e9af96d6594c63137b9429cb452bc941d7e0848edac50be94f1c105c66a153a1

        SHA512

        fdf7877f411c947789a3c275b7b8a31b7212f8b5cded05633baaebde2edc8dbb85d91423774ee1bb4dede7f9ce4e927fe847477628440dba9d73964c32b3e490

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MQYRE6E5\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • F:\rejoicess.exe

        Filesize

        756KB

        MD5

        74dfac0b393742f0e572e6d31fc38523

        SHA1

        690c92867d5c6d5e4fd2d444fda96863eab91bfd

        SHA256

        cb1cca8d57b74c12ad478460a2e48b92bb36814c38c935e3f4fa49c68f62a179

        SHA512

        6e140f5075315a21e36b81a2aa76ae0ce118600f80f45a3c422e769b469509f14ff445b1f8102c04ab27e038f5a5c4147cdd522d9866f1f137a50f2665a75372

      • memory/64-17-0x0000000000400000-0x00000000004C5000-memory.dmp

        Filesize

        788KB

      • memory/844-0-0x0000000002390000-0x0000000002391000-memory.dmp

        Filesize

        4KB

      • memory/844-23-0x0000000000400000-0x00000000004C5000-memory.dmp

        Filesize

        788KB

      • memory/2716-19-0x00000000003A0000-0x0000000000465000-memory.dmp

        Filesize

        788KB

      • memory/3924-14-0x0000000002360000-0x0000000002361000-memory.dmp

        Filesize

        4KB

      • memory/3924-22-0x0000000000400000-0x00000000004C5000-memory.dmp

        Filesize

        788KB