Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 03:52

General

  • Target

    743eff7ff42d1cf8bb783735577868a7_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    743eff7ff42d1cf8bb783735577868a7

  • SHA1

    1d2f37382b24080b3af19e0a0b7decb0b04dbdab

  • SHA256

    06507fdc6deba0ca9301fbe30ce8d9c450215a1cac9e4f0817e1fdc47000be06

  • SHA512

    a454da802db3e3145b9bfcd9f9858d653ffb2d6c91e3f809b28aaae1793a009e3928ac48b606e81d978ff613c3b7010aea66d15a036ae303fe01d9fff6e3e85b

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj67:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5s

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 9 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\743eff7ff42d1cf8bb783735577868a7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\743eff7ff42d1cf8bb783735577868a7_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • 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:4364
    • C:\Windows\SysWOW64\yykvwtqmpm.exe
      yykvwtqmpm.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
      • 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:3112
      • C:\Windows\SysWOW64\jqgqpltb.exe
        C:\Windows\system32\jqgqpltb.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:512
    • C:\Windows\SysWOW64\ldugrbbpleokuvb.exe
      ldugrbbpleokuvb.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3508
    • C:\Windows\SysWOW64\jqgqpltb.exe
      jqgqpltb.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3948
    • C:\Windows\SysWOW64\bmpcqrdsbrrff.exe
      bmpcqrdsbrrff.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2124
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:4128

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe

          Filesize

          512KB

          MD5

          10969d7354fce7263db313bcf54b4ad0

          SHA1

          d47587ab6a32d8a31ab8c25609ce33cf750daaa3

          SHA256

          a747bb5f5badf7b6292f59cb902d9ca36ef2ae63cf939d041ca986048ac70450

          SHA512

          e9885643022370354a906a19aa1678d57054ac57f6eee30219616215121b57852fd397619c00b989d2ba13c07f936a1ca896ad02ce9a87010def5cc7e76745c7

        • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe

          Filesize

          512KB

          MD5

          b3a6d019a3bb19709076075f7105097e

          SHA1

          e384ccadf0b6ed4bfc462d3089e5633ebd5c2d92

          SHA256

          67a8a023af9a997c99b3a82e1c65909763cf4ab9922ff1395030d8643b2b1312

          SHA512

          e08c9c1be25a5ab81c2982aa6dcfa7c8feb1d5dc28eaf289b674fb240ced604d0dfc4f8ad7293feaec88d4b221071be32312eccad9aa9cc69a5c5500e9fce346

        • C:\Users\Admin\AppData\Local\Temp\TCD89B8.tmp\iso690.xsl

          Filesize

          263KB

          MD5

          ff0e07eff1333cdf9fc2523d323dd654

          SHA1

          77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4

          SHA256

          3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5

          SHA512

          b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

        • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

          Filesize

          239B

          MD5

          408ff72ac77dfbd94124373f0a45a68e

          SHA1

          3d2ca24fe5531456ace256f7fbedd6dc6f553646

          SHA256

          035fe50fb10220afc92b62741669d0936114689bda12e37d0deee3cf7fc44fba

          SHA512

          df506c72f762d2a0a024ac9a98f1eaa074d286041a4b743717d3c489f47f7d0ddc7a8e08bdd7f45f515a9283a3bd7fb629beb11f00a05f78a4f17d34a428cd7b

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

          Filesize

          3KB

          MD5

          5d5329b95c2b5efef31d9c63575fb01d

          SHA1

          9263c08c225d28198fe5bb44c97708ed4ce86ddf

          SHA256

          7c94fd7faf3533886ae6f19ef90e18b0f1d10933fb97b051cf658425d48a5043

          SHA512

          84392818a1aee077e796a748e6f2e8c275332424c966ff39af4e0f120e6f71e60e1ae8ddaa65aa423d0db7806cb9ac9030a5102706f5d38ece0a22eb777ee746

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

          Filesize

          3KB

          MD5

          de2251bb13e571b8b952dc6bee2e51a4

          SHA1

          1d20e0442c80318ea00055d08071d6133900b08d

          SHA256

          8a23d6945b6f270e7b7813528f47703dbff08ce827c0b18b9b40a69fae24685a

          SHA512

          86167023aef83f7c2b5ff63613b99f062f2018da5e6fe1652994afd7f9255d90f52a9acc48c15a2ca7f0fdda402b62c0668669a2ca405361982dbf402b3e44ce

        • C:\Windows\SysWOW64\bmpcqrdsbrrff.exe

          Filesize

          512KB

          MD5

          c66a8668b2878bab87d6a486278bf152

          SHA1

          5570faf50186a7165d55c68f3518f3c511b6c52c

          SHA256

          db74cfcf5a03e92d5cae98818de250f458b512944e6cf8388d627b3de0bd7d27

          SHA512

          3783a4932dd627c17a15e0ea68de5f8b0049760619178d7f3c7a8c6dc87a9de654fb9e34d426f9e87f1a1e680af4078fb52fe838fda5af0a034905600fe40d6b

        • C:\Windows\SysWOW64\jqgqpltb.exe

          Filesize

          512KB

          MD5

          d37144681e2a19438df8c652cbbe947c

          SHA1

          2ad4a734128ba3e1169ec49fd4a284a99f6e8749

          SHA256

          27ed26cf5c90b6af7a70ec354d5e8f1f7803539de840f0eed4ed55c1815a10d5

          SHA512

          a9b1b082bdabf8776681555bce871dadca92bb6189f886839bf947ef5c4fd0573dc8e2935dd7d8954dca0d444f5e1ba5cf3574aa4b735cdb0b5dbd97c3c9fffb

        • C:\Windows\SysWOW64\ldugrbbpleokuvb.exe

          Filesize

          512KB

          MD5

          08ce64b84e7a14ec64538022c69a15e9

          SHA1

          8527e38dfe50e47b07126102d335f0ab1df79d32

          SHA256

          69cd6895b508c89724e478d7e9d00dcba718904bed2eda98d729af5087207d53

          SHA512

          de5f77dd9887fdd4fef5b2cbab6de5c03ac0e555b0ff9306167cfe18a9cebba48f37a63aa62a01cf3f180110572d0a7a66aed4938718dfb543599de2d2dfe4ce

        • C:\Windows\SysWOW64\yykvwtqmpm.exe

          Filesize

          512KB

          MD5

          d22fc3ca4dc30072f6a71964de50eb52

          SHA1

          f02a0b32a06d538b666bada68f06ade52be0e113

          SHA256

          ccd7b7d1ecc8e10359c117afb0c2a05946b63f7f259ebdd71bbebb337d59bb5f

          SHA512

          458b444ba73dd989e5ac5f37c82bd75a540651c6479cabb436b94824315930e5ca6ff850081e94f3bda5518c2d511ce447d9fb71e3c45d56e115cb646578bc21

        • C:\Windows\mydoc.rtf

          Filesize

          223B

          MD5

          06604e5941c126e2e7be02c5cd9f62ec

          SHA1

          4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

          SHA256

          85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

          SHA512

          803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

        • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

          Filesize

          512KB

          MD5

          7c5e261a9f83b66732b4675c4b34dd9e

          SHA1

          6a50598c9fbcb2135453552e96526ac636acdfa5

          SHA256

          700943b30172f8b677efa8464e87ab2948b74b8b02790e235914607b4a4f72f2

          SHA512

          c4e89bf0ac4c3949c4ba6a54d1c41b4a8248d26a99b8ad5082116d6bc21c4b8282426118084e19fbd3b4e4743a29ba4ac324615fb0007c802728b3304d5962ae

        • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

          Filesize

          512KB

          MD5

          f9712f60773d430a9b7d155206e77bae

          SHA1

          dd24bd6619a77d44a6a69c373f58c38e0a8973e3

          SHA256

          b54835647d0e60d96dfc95c11588c75d922652b6201eb7e396c5f2c14c51a76f

          SHA512

          d4c33bc861093bc510562e9bac8120b9e6cd4039ac5441c6052154c0d0f69e839e01f14d00b4e612a1c33ee0fa3f4aa4668a43f95bbcebf1bdae26be603d22a6

        • memory/4128-39-0x00007FFCE6E30000-0x00007FFCE6E40000-memory.dmp

          Filesize

          64KB

        • memory/4128-43-0x00007FFCE46E0000-0x00007FFCE46F0000-memory.dmp

          Filesize

          64KB

        • memory/4128-38-0x00007FFCE6E30000-0x00007FFCE6E40000-memory.dmp

          Filesize

          64KB

        • memory/4128-36-0x00007FFCE6E30000-0x00007FFCE6E40000-memory.dmp

          Filesize

          64KB

        • memory/4128-37-0x00007FFCE6E30000-0x00007FFCE6E40000-memory.dmp

          Filesize

          64KB

        • memory/4128-35-0x00007FFCE6E30000-0x00007FFCE6E40000-memory.dmp

          Filesize

          64KB

        • memory/4128-40-0x00007FFCE46E0000-0x00007FFCE46F0000-memory.dmp

          Filesize

          64KB

        • memory/4128-593-0x00007FFCE6E30000-0x00007FFCE6E40000-memory.dmp

          Filesize

          64KB

        • memory/4128-596-0x00007FFCE6E30000-0x00007FFCE6E40000-memory.dmp

          Filesize

          64KB

        • memory/4128-595-0x00007FFCE6E30000-0x00007FFCE6E40000-memory.dmp

          Filesize

          64KB

        • memory/4128-594-0x00007FFCE6E30000-0x00007FFCE6E40000-memory.dmp

          Filesize

          64KB

        • memory/4364-0-0x0000000000400000-0x0000000000496000-memory.dmp

          Filesize

          600KB