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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 12:34

General

  • Target

    3a09c81782ea1795edc1b0d8989005a2_JaffaCakes118.exe

  • Size

    145KB

  • MD5

    3a09c81782ea1795edc1b0d8989005a2

  • SHA1

    3d7497e6875d625a32492f9ec7dbccfa9469603c

  • SHA256

    cb9aac0ce0e0df317b81f2c21a2fbbefed28c1c020cd59bace633ced6f51a3ca

  • SHA512

    1443df0e3e8f3d6affe300b3f572c54d3c85ca8235ceb1b38f0f5beb7fb4a17efd3761db948e9a68efc5ecffa12b3c98fab61f4431c82537dcafa314f8575e2b

  • SSDEEP

    3072:pYU94fDhmJcgMkHcUHqihtU6E/Z4XiNQzkikY5jR/7VHutvcf22W+:pcVFMhaR4XiNiljR/7Qts2u

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 39 IoCs
  • Modifies registry class 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 61 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a09c81782ea1795edc1b0d8989005a2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3a09c81782ea1795edc1b0d8989005a2_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\smsc.exe
      "\smsc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:532
    • C:\mb.exe
      "\mb.exe"
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\WINDOWS\Temp\ali.exe
        C:\WINDOWS\Temp\ali.exe
        3⤵
        • Modifies visibility of file extensions in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Writes to the Master Boot Record (MBR)
        • 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 AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2356
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://dh1.web768.com/?kj?1144711
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1656
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1656 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver3BBC.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\W9QJOIKH\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Windows\Temp\ali.exe

    Filesize

    116KB

    MD5

    9df749abc5d18f1c818ffa22e6c50e47

    SHA1

    f5cbd46c41345ac85825558746656961200a6588

    SHA256

    55dbaf947c9b4a419c7169285fd9946f481816c8c37e59ec4ea7890942cb71ec

    SHA512

    8d5f82e666363967b5e18b604275bf630f25b20a0a352c099cec8889206072b751f7a6c0224316b8473d678528ca3a488a4a4791ddbc2d121bf5968690538fc6

  • C:\mb.exe

    Filesize

    142KB

    MD5

    234accf992372edd96560f3def35b4f6

    SHA1

    6e1fe6979c6763ec162d76cf26309ee08f10ff07

    SHA256

    8066ecb578c540b25101ea807aad4e64aadf8bcb921eaa68d72983cf6eea00b9

    SHA512

    99a504ec904452e2b8d81fcbb92f4695b650709838538ab53f3dc12d27344172680fafa6a59a679e533b57afdd4c617fa251dc0e925152e407c02a4ea79750f5

  • C:\smsc.exe

    Filesize

    116KB

    MD5

    b3f5db220f91aaca63fc6b2164c7f419

    SHA1

    435453567aded72931c8878788b1fa666dbebd50

    SHA256

    c275f60d0de4d4bf16a82741e6c1442003fc6e3316eab247651b2fe119ef1e94

    SHA512

    9a41a02361daf8db051bbb187c5dee751e04623789e4b2e30ae6f6312e3013220becd527f0469a14dbee0fcfc0f93d9805d7d6834c62746e0ee72d3a40b12e41

  • memory/2588-12-0x0000000000400000-0x0000000000423A00-memory.dmp

    Filesize

    142KB