Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    14-06-2024 07:10

General

  • Target

    a876e3afe76dec729de810f4110f9877_JaffaCakes118.exe

  • Size

    640KB

  • MD5

    a876e3afe76dec729de810f4110f9877

  • SHA1

    d465504e258440f3c13d9b691bd9f761ef73006c

  • SHA256

    613948eba26190b11250c6ce115f1c99712f79d5234269354a32d6052a873fbf

  • SHA512

    e20417af913c2f3d4fdb0b8a01ca4086ce8f8232f5ab0890a77cd40519b15dc56e102d3a64cd48195fd6b85a7346c5235864dd753291d0449206dc433e8b116f

  • SSDEEP

    12288:53c3zZfZfZfZfZfZfZmZ2XsHUKwbNWuTncBxPMRS8SUC9H4jlNEz9vBiptAE43/A:2jZfZfZfZfZfZfZmZ2XsHUK8ni0U8SUD

Score
10/10

Malware Config

Signatures

  • Locky

    Ransomware strain released in 2016, with advanced features like anti-analysis.

  • Deletes itself 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 28 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a876e3afe76dec729de810f4110f9877_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a876e3afe76dec729de810f4110f9877_JaffaCakes118.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\ykcol.htm
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2300 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2564
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\a876e3afe76dec729de810f4110f9877_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      PID:776
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    436907622804a7d0a14f8877e327f923

    SHA1

    35fe23531ebc86b63cde0d9fe3db5714cf3a6175

    SHA256

    b1b2230a06637ed99e3155f3524d36b61da3fd2e0a2a58fbb326e711d59d8da7

    SHA512

    efa0f9e507083a69d8ac618cd4d9a66aace9128f387383b7165d24481b70582c1fa4906f15ab50a0286ebcb535276fe46123a55b507083021b75c5e6280ea1cf

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    c59049d16949c1e656295d717a0077b9

    SHA1

    37e6caee21959061e56530e4325eaa10d83e41d3

    SHA256

    81b19ea5094446d34e2825400dbf4021c270a3739ffac3a88e175bd18c648c90

    SHA512

    aeb3efaa395aa15748624e9d16c790a6b298ba9170fb0d4f568d15b2438b0720119027beb74a458310aec1444f77a0e52c89d7d8bf75423ac75aeb6ea07bbcd4

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    0555236b19cceab029d9fe465df8dd55

    SHA1

    ca900e690728b85e0b78ae29df58247269e472ab

    SHA256

    4debf4b88b7d770fcad0542c85e0e5b70c57243394506fa821c023cca9f8afe3

    SHA512

    4a10f0a20ab25f58b7dc22e2bad2289e7e76e54b5df0f77604f9e7f0843ed671696bcd642f117aa8cdf05dddef5a5b9fa1fad8353642f7be294457be190318c6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    aa7831d17ff3e1c5d1a35665e22de885

    SHA1

    b1c2de6aa33507936f5acd59ae8fcf7542227124

    SHA256

    14a59c2481b563088be26d5521ca17e2fc4ebbc887f94b4b78d1246cdf114e0d

    SHA512

    82027965e174909491283ce79e8781c9f8797bb4718ec41baca11cb44e41c8ee1e4058a3adfa3e21d7de30b1888e87f50ca066c00dd65b694ffe2aa7500bf78d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    a8c0dfd3188bea1b481b144312a061d5

    SHA1

    e6a5eaa19da69ed2fdc24c8d56f7305d43bc6aac

    SHA256

    d5d5f50831b096bb1506c73cc1eb84d709612d1ccbe10c6233b7d6338c21539f

    SHA512

    6acc98f7c9c993d34f9d6fbf14384bd8d0247f548bc5b6b7dd1ddcecfa0a142b7fdfa21d7f90d5755c6a57dd552dfc197350607ca74341b30e523e51082a8ce3

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    7c0830cad9d01fe68d571e7115155b9b

    SHA1

    3507a2c9f92106342d80782666a9621d55c6ba1e

    SHA256

    60038bc10a674e3eb1e45799caec1b05c5e90bb0dfc9604e4ecc5dc7a516d282

    SHA512

    b2626f5c609f2aaa63b51c8d4781b7022c406fd5afd25dc44c1aca06087dbab7ad02def9f06d7b4c1b6d8d32eeb59b9abcdef68244d8ee750040ec932c2ee3c3

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    3f01fef41ab1d10b4dcec46e04713b7b

    SHA1

    70c3ce112b14352a1b18ca90c00703f86e7dd848

    SHA256

    6d71cee36817361f69b1727bffac90f0e26b9c1d3ceaa568edfa8ed1bfec4e7a

    SHA512

    e2e86d14c487629080de57ffc99aa4879e487cc929ff3573d356616c08877f140e804a12eed8c84ce5dbf6fdee6492be60ad4193987faee2d9f3dc8a57f83544

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    1475bd260fe35f07cbae279619dfc5be

    SHA1

    e4f98de7b101f8c2f0781554d460081f82ffb2c0

    SHA256

    b341de958e85cd93aed6daffd238739db914b84d45597d1f9c59bd0f913d8b8d

    SHA512

    d2d74a885f235678436450d4d8aad7ff511037c06926bb1207ec8a34c9e99fd6a68ed83483d428c8726662eb30a4940259c50f160c0cfe32cc256498350a25dc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    f8fe5adff46ded43fd60b4f8aa529602

    SHA1

    95b888ee43a80d00239d2f9a927e0d156a381dea

    SHA256

    0c588d12e41f6cc7153d64738714537d36b761c3935cd5fe41d94c2586b319ea

    SHA512

    c491bdfa683dd9802c798cc13ebdab977be03faeade1fedc1164c4616dfe6a0b6636ee14bb0d1f980a23e945499fff0322cde7f94ec60e7f54beaa54971424ed

  • C:\Users\Admin\AppData\Local\Temp\Cab65D8.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar6707.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\Desktop\ykcol.bmp

    Filesize

    3.4MB

    MD5

    5a5b31dc0c36130ab32cba55e3ba065f

    SHA1

    6c97c4e291b14aa074459f135fa96b57e352f3ec

    SHA256

    8459eb83ac37235a696194697e24d515f3ecfd5a1c28331aeaf024bf287b4514

    SHA512

    0239218bf43dcfc70d9b77f3bb865ce470aa9cfcfc6708bb518ddab6b800385d3d3c515e74845ce7d25613e880393b4b63cb0999de5677b852bb5e90bb72b755

  • C:\Users\Default\ykcol-91e1.htm

    Filesize

    8KB

    MD5

    0ecaea8aa6432f8e31552c94e260b2f8

    SHA1

    f1f6f792f31254ac8ee807eba41176d42d8bb132

    SHA256

    89a0b48f9dd35e7eb2a9d039c5da28267130592e9431f3385566b6e4199096c6

    SHA512

    6ba8500d63b7e8ed5713dd9cbc713ec5dd8ed8c77b012ffc41b93762fb4db392bf47b92b7f9806ac22bf508f660b98a47740ea0b90f4c795544672e22cd16067

  • memory/1476-308-0x0000000000160000-0x0000000000162000-memory.dmp

    Filesize

    8KB

  • memory/1476-311-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2836-10-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/2836-312-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/2836-307-0x00000000027D0000-0x00000000027D2000-memory.dmp

    Filesize

    8KB

  • memory/2836-253-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/2836-12-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/2836-1-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/2836-8-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/2836-6-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/2836-3-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/2836-2-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/2836-0-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB