Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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 07:08

General

  • Target

    74b16d71def3e14ee5d60dc139918e8a_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    74b16d71def3e14ee5d60dc139918e8a

  • SHA1

    38075452803efb7c927a7191ea31bc2f0fb8b573

  • SHA256

    9ceae9d51227c5ed198868880f4fc9db205419810fe446328690f8b34136724f

  • SHA512

    c95b9796586126a60106264547504c2b144edf4729912d980e87b317aca8eb5240e84a4d7b454894e8a27b412120b96b1054da41b89b71d9676672e6e3313f06

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6C: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
  • 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 11 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 14 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\74b16d71def3e14ee5d60dc139918e8a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\74b16d71def3e14ee5d60dc139918e8a_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:1436
    • C:\Windows\SysWOW64\xqytwfrpfy.exe
      xqytwfrpfy.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:1420
      • C:\Windows\SysWOW64\rlpdyure.exe
        C:\Windows\system32\rlpdyure.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:2260
    • C:\Windows\SysWOW64\kszqdvathntqkqp.exe
      kszqdvathntqkqp.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2524
    • C:\Windows\SysWOW64\rlpdyure.exe
      rlpdyure.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:4428
    • C:\Windows\SysWOW64\eupqjxzswqhya.exe
      eupqjxzswqhya.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2368
    • 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:976

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

    39f389426d6f2ef357ddbb86104faf4b

    SHA1

    73439f9c5126d949c7c75ca38fd551a75c898759

    SHA256

    d25434dfa7345bb5f5c77f4681167f05e9769edebb64c0561e157fd226eb543e

    SHA512

    44ad51ed13fa4732faf73837ed1e493350746846c049ee37cfc002f20cd0db4dcbf2c787771b1de816481810f2176c5a9c076f0b4dad344d88be8e9fd8b9f003

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

    Filesize

    512KB

    MD5

    d53a21498b97022244cca1f51dd2a238

    SHA1

    fcd337f4f32752ba43eb1c288f4d0a268e89b430

    SHA256

    205ab4c369fa08d209a798fb6a8ea2d7b825d56fac543ce0dbfb5b213764e501

    SHA512

    c4f4c4b267f874f6911edac435e8c1675839d7c1289bef5daf720bfd171dd19a846df9629abc72ba2c0aa6a093ba2f614efbedf840ade1f81f7398679599c445

  • C:\Users\Admin\AppData\Local\Temp\TCDADF4.tmp\sist02.xsl

    Filesize

    245KB

    MD5

    f883b260a8d67082ea895c14bf56dd56

    SHA1

    7954565c1f243d46ad3b1e2f1baf3281451fc14b

    SHA256

    ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353

    SHA512

    d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e

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

    Filesize

    239B

    MD5

    2fae0fe44fb67ed515b21a2b6fba40e3

    SHA1

    d39c4cb134c596851c157406149129a69844613b

    SHA256

    bd528b67c4e7b5924426cb6edc6bd85896db3a43e596bc76d32632d33eccc2b1

    SHA512

    9902e514810847d11b83ceb64209c7a363f3b482f5444474673988fa0729295d8612ae6aa0d81a09d9adeb958f7e0251b414ef808f82f279df504bc04a347087

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

    Filesize

    3KB

    MD5

    e51e7b65a0c05b192c0da207b18ce732

    SHA1

    106b5f3528d5c176750226dc85d2cbc6c37789a9

    SHA256

    f7a9b5d625e93db3b00d00edbb9a6f0e56e3875178fae09a35317257f0a231e1

    SHA512

    8e2b7a38af9dc6d9c6d83b76a71cd059da15d76e310c8c36d53bdb1911cdebc6b93b084865de30317ca5d1544a68800af6f8c4d11533fb588714405224fae79a

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

    Filesize

    3KB

    MD5

    5451a543b8fa434973b3970ba05ad37b

    SHA1

    189dd1df3e5a240f78cbfed6bf23701a64c94a03

    SHA256

    94e5be0c5692b1f67e605e78a4c2b0130811d6d12e8aab81385224cbbbe4908a

    SHA512

    ea9d93d6c41a44c921e5ea45344fe9be5ad74f58ddc0b81aa6436911d451307b448ce88efa7373ccbb3b5b4eac6ae5f8148828ee2a78cf87fa53d4ddb64456b5

  • C:\Users\Admin\Documents\UseEnter.doc.exe

    Filesize

    512KB

    MD5

    9c974c3e1ce306ba5e1344071de57cd0

    SHA1

    d82300e9a8dfae1bb75f9289a1ad51b27cefea28

    SHA256

    c212bbbb3f2c084187321681ad73ca0bd912c0f366b65ac288451bfd8363baff

    SHA512

    3cacc59f955ccebcc597ad03d76ac4b562f3300dcdb0be5a532d792d3262a78b38036f4f87744e860ac31df06c1cbad7314afb1c28f4550eb3bfcc28b3efc254

  • C:\Users\Admin\Downloads\CopyResize.doc.exe

    Filesize

    512KB

    MD5

    dc89b8c60603202282959b0e3386535f

    SHA1

    0c2922869cba30db7e47c733889388cec7d783dc

    SHA256

    8d8f468934eac24aff0a596005f6780dfbb547332e82a44179898c99f7ae87da

    SHA512

    fb7499ed19e4df9716e4c470e0cf8f50bc86806f33a5956679210b196069993b54ffdda1447579d017d4af1c38268f45f90720705c965a5b8c29a696b96e615e

  • C:\Windows\SysWOW64\eupqjxzswqhya.exe

    Filesize

    512KB

    MD5

    6e25241f6f3e024cc81482ec5778ef21

    SHA1

    baa679976ed51823b17b1b4cf74a1126c79773a4

    SHA256

    dc8e8302314bf8d35fed56da2792712bf95fc13bed3bbbd311e58fca5f4d7e4e

    SHA512

    c3d0278e9aac7b9db0d21fd59a189db47ccd3d86d5348c8dbdbfda96eb1b46404da2b55b1d9737e2a25748dbc0021d33605d8c03b4871c22c4e7de1612a4e894

  • C:\Windows\SysWOW64\kszqdvathntqkqp.exe

    Filesize

    512KB

    MD5

    43d067b535bf51c31d02b94e87787e68

    SHA1

    55264473fe180e5baaba110dca50f686683c47e9

    SHA256

    e010f3e73b8881f9538d7428eb84a9269384bef87a717c565e62441e85a3dd37

    SHA512

    fbf2ce014cce3f3ff8db175b802246c33da40154d9c5307579b91e65c1ab4495b994ee8f386be305f3aa41f2e2bc3d7a8b2306c6a7264fa0f25f152c455cb333

  • C:\Windows\SysWOW64\rlpdyure.exe

    Filesize

    512KB

    MD5

    27ae23e78fd2e9eb12de7f7ac56f08d8

    SHA1

    ab05072cf492b3b90c275c6cafda90443db54c2f

    SHA256

    fded5bff7fd939ffb82b0800b2f4a7c668b40f025467c2b8731d69fc48123038

    SHA512

    6b4d625996df0ddbd7ad0833c1d527c6a7bb086c282cbcb82840a7b7341bf97e2f74f63df0d47f2b9227fc9c7a0fa9c4a8c04fbf1dc19ba93efacdf5b5c5f056

  • C:\Windows\SysWOW64\xqytwfrpfy.exe

    Filesize

    512KB

    MD5

    f0fd6c36af3e289f1ddcfc3abb2ef4fc

    SHA1

    983af26e2af0b2a678aa73dbae4602f83580c375

    SHA256

    b2cd4e19720c6455a8bc4a210a6b7f633c426276f360af35c1904d4bada09f2d

    SHA512

    53ce569ee4fd7410b2558072f5671161665074d1eb07d2e1faf9d12f49e7665a17e0fa2cf37a215069e51ce4b8d890d536a088103c77b9b2527a81aea6ffb63e

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

    Filesize

    512KB

    MD5

    73ad2bfbf5436a6c340fa969d39bdcfd

    SHA1

    7b8acd5860f0e0619a6a7f10f492153f768f4fe4

    SHA256

    c204b3ad56cfcf7fd55caada6282957cf23820ff7f5e18d0f7e24515ce02c83c

    SHA512

    f89e591c905ae49d94eff91d3ae181803bcf2403011eeb370431a893ec5a0e2866f221c7c89d52b6f5632d439b5149f84799316e5f5e23483330dd0c12b3b76b

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

    Filesize

    512KB

    MD5

    1a1a1e2788e711d4b589bc7576651205

    SHA1

    1d95a31c7b7a2d5c3b740cbbd2c63b5e6ffa82f5

    SHA256

    e0a376f0f769231ab7c6443394f3b6a08d3abebe86517367bba4b2ab8cd5c47f

    SHA512

    0e6d97c3885292b9fd1b4d05a6841959a58b9bb7cc43a5fdfbb88d8c139a510e1afe5969f283c124f2b5db093f011414f8b3b381d306e05448b461767edd0889

  • memory/976-37-0x00007FF827C70000-0x00007FF827C80000-memory.dmp

    Filesize

    64KB

  • memory/976-39-0x00007FF827C70000-0x00007FF827C80000-memory.dmp

    Filesize

    64KB

  • memory/976-38-0x00007FF827C70000-0x00007FF827C80000-memory.dmp

    Filesize

    64KB

  • memory/976-36-0x00007FF827C70000-0x00007FF827C80000-memory.dmp

    Filesize

    64KB

  • memory/976-42-0x00007FF825B00000-0x00007FF825B10000-memory.dmp

    Filesize

    64KB

  • memory/976-43-0x00007FF825B00000-0x00007FF825B10000-memory.dmp

    Filesize

    64KB

  • memory/976-35-0x00007FF827C70000-0x00007FF827C80000-memory.dmp

    Filesize

    64KB

  • memory/976-605-0x00007FF827C70000-0x00007FF827C80000-memory.dmp

    Filesize

    64KB

  • memory/976-606-0x00007FF827C70000-0x00007FF827C80000-memory.dmp

    Filesize

    64KB

  • memory/976-604-0x00007FF827C70000-0x00007FF827C80000-memory.dmp

    Filesize

    64KB

  • memory/976-607-0x00007FF827C70000-0x00007FF827C80000-memory.dmp

    Filesize

    64KB

  • memory/1436-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB