Resubmissions

28-09-2024 23:36

240928-3ln7sstfpf 10

28-09-2024 22:58

240928-2xstpazdkr 10

Analysis

  • max time kernel
    31s
  • max time network
    31s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 23:36

General

  • Target

    fd4fff79f429487d143c43502304855a_JaffaCakes118.dll

  • Size

    5.0MB

  • MD5

    fd4fff79f429487d143c43502304855a

  • SHA1

    72b8eaecc118ca21e0adfdfb080ac462558448d5

  • SHA256

    11d1b9e86aa6f141c5e1070e05b961fe50fe889baf4c370607fb218580abff25

  • SHA512

    53ace4673ac8ab17b3aee3360697e4f70296d7c0b951feddb77ccccf41c794fa3045b680eafb076061d7b09b554fc24fe4755041e4112ff7ee43d2bee83b28cd

  • SSDEEP

    49152:RnaMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:1aPoBhz1aRxcSUDk36SAEdhv

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd4fff79f429487d143c43502304855a_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1064
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd4fff79f429487d143c43502304855a_JaffaCakes118.dll,#1
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3728
      • C:\WINDOWS\mssecsvr.exe
        C:\WINDOWS\mssecsvr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:3560
  • C:\WINDOWS\mssecsvr.exe
    C:\WINDOWS\mssecsvr.exe -m security
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    PID:4724
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3996

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\Desktop\AddRemove.ini

      Filesize

      826KB

      MD5

      8ecc3dd5c41f829a76e736fad4cd5c94

      SHA1

      2bd55dd63859910e6b8a268a39f24f39f54daf29

      SHA256

      0a6b7103ff86e6e3201e7d0bbe8a4bd07983f1a6e7b05befcb593703cc4da76d

      SHA512

      d0ac16defb078b261f46d8bdd3dec8e4f36f012ea2d0e3fd51d8031abaefb4ad39be89c58dfcd258e6d28bdea7dad41d01a216c6ba87565982b906868bb90349

    • C:\Users\Admin\Desktop\AssertLimit.lnk

      Filesize

      680KB

      MD5

      ac2fa72ea21ffd33f3f200a6e23040f9

      SHA1

      6f7df4372965fae62f9073eea01246c48f11ac91

      SHA256

      815eb0e5f2b2e2f6f75451f8708d7e206e00001b18eeaf8cc546ebfb0599d43f

      SHA512

      665c2c2688d9981269c7438efcb9b54f7e72620700d77b75b69cb5a62f9ba96a4d6d87886d627043fd4512a583d7cf18efca44591cba32e88b68432b0443246d

    • C:\Users\Admin\Desktop\CheckpointDisconnect.bin

      Filesize

      583KB

      MD5

      7e38c0d3ecc8ae8834dd020676e2ec62

      SHA1

      928440b88b679dff1e355b76e2950e59efdb58a8

      SHA256

      3d5f75de6adda24806d96aab516965ad926bd13aa65a3a5e8b1d1dc2ba90bb43

      SHA512

      57b166962c5e48ea090fd1da4421c1e5c0dbf162904a5df078ba174d01a0d3d3a98999b1331a45b48d165a1a6a76aa4d3b4976fd86410a61d710b45b6b6a9f83

    • C:\Users\Admin\Desktop\CheckpointExit.3gpp

      Filesize

      875KB

      MD5

      d4d4f39bbc4abcf8ef48d3454eef6025

      SHA1

      5f1a051e5badf8a4cf87c3c20a5e9d6bdc9066f0

      SHA256

      e2887b841580535a163f652100350d1e93657dcc92c0e2531ae00d2ecef1850b

      SHA512

      d75fe05ed23ab0dfa69f02708e8c3668fc156d0bf49e0f2a3a4cfc789cf52851c3644c03106c8b04f02d81a3820635837d32da9613d882a7e1737074978ef805

    • C:\Users\Admin\Desktop\ConfirmMount.aiff

      Filesize

      1.2MB

      MD5

      d10a0fdbd710230c14a043dab6ae6058

      SHA1

      dd3d8b9fe5c88a55e9ab86ff24097aa4aca804bd

      SHA256

      9b7ef3e3b41c7a6c32b106ce8a10741f073570b96a01270718202043b8983c57

      SHA512

      02bcd3c433468ac81c447393b0b82726eb52b50bb09a01ab1e15d834078d67704db843619ade78a89cf98287b5515c28eca1d7bbcb08b86c7934d7305d5e1972

    • C:\Users\Admin\Desktop\DisableOpen.docx

      Filesize

      13KB

      MD5

      4f744ab59b089a52cabdbcae0c2256b3

      SHA1

      95c83f8c2395f5b7fb7f4ceaaeadf77ebf9b680b

      SHA256

      612012417115c94d8bdcd0144cf989cde4144141a7d35c5760f453159a9228f4

      SHA512

      895694f6cc988728d97827c85636e8629a6baadec1dbc2b7812857601e1ad04dba6c61f32ba5432dce5043ef43296bf3182d9c5f9b568cdbbae243aae6063a75

    • C:\Users\Admin\Desktop\ExitSwitch.tmp

      Filesize

      1.1MB

      MD5

      293de03a3a474fca71a53a8ae4a8e565

      SHA1

      1038e00148a0b900f6bda09d7fc3057967ddfaa0

      SHA256

      de9d44eec7c7f828d2fa33872128a91af4aa84ec14f177218d403e01ee2d82cf

      SHA512

      cfc9a75e725b101a2d3d938d3de38135f46c6947f8187054c9cc094f749b6b4c48ff26bddeece50419aa562b8838e17493817b8cdb477c7bc1614d35865c8571

    • C:\Users\Admin\Desktop\FormatWrite.xht

      Filesize

      1.9MB

      MD5

      f96494209911f954c1e39352f9ad25da

      SHA1

      7f6fcf8e72eeef4b74bd10a75832a0c70fd204d0

      SHA256

      c86c476732858f8c98baf5a4e3e9193534723305390d72b4acb0847428cfe2e0

      SHA512

      17252ddecd78b46a4ed2ec1eb763f629b86be6c8d24f0c9fd1a24eb0c58e2bc89a0065fb16e2f85db8764533eba863080e9048255f5b715581dad890b6ad7719

    • C:\Users\Admin\Desktop\GroupSuspend.png

      Filesize

      1.2MB

      MD5

      6734595578d31bbb5e425412cbe4f1ea

      SHA1

      1692bcf601c45c8d805661046215c5b2fbc7c7a1

      SHA256

      fedcea664efa686005f435d47bfe73ce293c5b325dff44c210468805ea8f9ae4

      SHA512

      ab31523231496cd3760444c0c0a5824ec6b86a8c87b321e874dbb04bc311c27da2d9d5ee647738820f04315c43b627712c004b9ecc2f71cc697011e31e0ba9e0

    • C:\Users\Admin\Desktop\InvokeDeny.odt

      Filesize

      729KB

      MD5

      2a31375d86471569f27de4c734aeb1f8

      SHA1

      d90efebf936b56e8a09c96d045f9079be8fdfbbb

      SHA256

      1854b4428b083b69c5e4485bad3444bb075db0a2d9e0e43a043340ca50b84927

      SHA512

      8ee1df1a54d6ed6c14cc72e2d6dc78ec20398b9474189e4681285be8e77195fbb09b69c798a16bb73bb92be87501bb20b2686092d63ff4c140ea3b0d1de6630f

    • C:\Users\Admin\Desktop\MeasureSplit.cfg

      Filesize

      1.0MB

      MD5

      cd786921224a72f4cc46ff3523e03ae0

      SHA1

      f0e93e04a471939bf60e6020474bf06d3bf49b4b

      SHA256

      a132dd3826165f68ac8d6a2e7c6a803d06204c9059c56a4795c6cc79cb8a6310

      SHA512

      5a278fec73484589b8c57d812c81df255b80766d8dc8f57743cb47e3d99fa56550853fcbfd7d6ec39a31b83e8a4ecfa973b0c7cdd98d065907e39a8f497792aa

    • C:\Users\Admin\Desktop\MergeDeny.css

      Filesize

      486KB

      MD5

      5c8f4303681182ca305a26ce5a0df9fe

      SHA1

      c22dd51e5906eac04ed2b43f39dd39f9b394f949

      SHA256

      10e4d6f677204311fccf3c90739084b8f33a0b5cb2a32a7b2b94ca9bb02bf8f1

      SHA512

      0321503bf21257020f15e0ee589558c231f4ee3728c2127b8c1d3a0e1c8d2412af9cdb46277b8c93b127f6569de5b45ac17160e6ddb0362fad5fe53a9a3ed4a5

    • C:\Users\Admin\Desktop\Microsoft Edge.lnk

      Filesize

      2KB

      MD5

      7deb1c5ca7b35696ce4dff97b5bbf1c6

      SHA1

      6ed83ea50a26071d4d1e52608935d5d04892e8c1

      SHA256

      7151dc306e0ded55c326d2ca1e86f7097ec665a49ab61fcb8d16fc66db8fcc3d

      SHA512

      cf385c2c59ecba2e9d7c6484ad941728c91e1a3963612f8374e41d9bb17622945c49e4981b683227dafd388f5d69daaf892e3b7ef4157c0ec7a4b818b91880ae

    • C:\Users\Admin\Desktop\PingCheckpoint.ram

      Filesize

      1.1MB

      MD5

      10f2513b0e9dd3d5a2eb1cb1479db18d

      SHA1

      581fa9cd70938501e527a413d51976ffbcb72c69

      SHA256

      bba60338e3b915b927d26e402021f9809b5f727e418a8ee3268b45de07bed00c

      SHA512

      b9e2ea538a8fe7ea9bf28f62b7ad7063399df0c66e340fb20ecd991ab08dcf149784a83130e87ef466ce330c201bd0d6ca5804a3285a53f866ba15867f110f55

    • C:\Users\Admin\Desktop\RedoMount.xlsx

      Filesize

      10KB

      MD5

      1906234b4ffe69869579db2ad20eddfe

      SHA1

      e6a09ccaa5291fde2dd84e14ce3e09eabe109caf

      SHA256

      b4631bf295bf116a4f5178a8156c97a327200ab0d94d56f1623270df281e4674

      SHA512

      2685dc0d46f2d329d000deccf8ebae34ea509ad8fdd769a2d7927d7fdd2d95b3e260ddd2524741de6127b1a90a62c63fc76247dcb6f703f8e263be2c79970d85

    • C:\Users\Admin\Desktop\RenameFormat.jpg

      Filesize

      632KB

      MD5

      9c3dec80ce3ad78120d21fd0800b994f

      SHA1

      56ea4825959f0711ba09532244730843042fae23

      SHA256

      f4e861d219360049a4ec53a0464c31f6efdd246358efbb97fbccbeca14106e32

      SHA512

      902601bccfe5e5458a5d0131c37a22fa73a95482a8881cafedbacf87773335118f7b83e283d721be564d4177faa4c8a9aae28297ef08b81834c66bc36b71a9cc

    • C:\Users\Admin\Desktop\RequestConvertFrom.svgz

      Filesize

      972KB

      MD5

      4297b3acd2d110a3a25b048bc7117ba6

      SHA1

      5204316ff849ba938af9bbd9ce39009927f31d81

      SHA256

      2668f109bfffd17356a56a11c4979535ff3547404db9a61d2c83740ecdbce2f7

      SHA512

      a719023eb37d5042b808c3aff1129200074df74e3af28f9ae1b84fd851efe933178d8563aa866f3da4e1b431ff46b95465478bc851990bda5a03c07a155b628e

    • C:\Users\Admin\Desktop\SendSwitch.xml

      Filesize

      1021KB

      MD5

      ba70881c7f348ee5cbbfede84b393eb9

      SHA1

      4f8da368cf28e52006be62f9bd82b774d0ebddc8

      SHA256

      5d084c159795ad96cc4c2fdbf33160c8eeb8beffcd5b665e3edbdd8373ea8179

      SHA512

      c71ad5907dd4009d7075970bff2441095abc40c1a96abf1542e63fa11061dc8ba53de0bead7935941bd427f1c5186581cd718c4130b1f81b3bbe06edd78eab36

    • C:\Users\Admin\Desktop\SetRevoke.png

      Filesize

      778KB

      MD5

      82ef5598f4015e8af2efcaa7ef2c39c8

      SHA1

      f5bd7efeaf8c7b26dc6e9a459e8702f2c0765455

      SHA256

      2f8017d47f46782e0465a7a8b0597550488c30c96d4773e85daf0bb0deecf21a

      SHA512

      dbfff0ef66f10f9cdb736857b00ed96b4df8be94fd3f5147142ad257609e29b01d317cf6a64fc07f178ab4d8091ca0f091ff9d7263ce582a98c2038f4784f945

    • C:\Users\Admin\Desktop\SyncNew.xlsx

      Filesize

      11KB

      MD5

      2ab5de451e08657041c9d69145978fe5

      SHA1

      9c3102f701e0dd99f942d7846224ff9941ae8c58

      SHA256

      75928ac637c4dfbb9ac5f724576a7219e09c5974545ca1075d3780d447de800c

      SHA512

      e8218a3672ce4aafe6a518a5563c5bd4270e340048833b78b0b9832e3bae62cf355e5fc3d87f61a85fe537baaf107ed756103dfe28e1eb9c0506254d7902700a

    • C:\Users\Admin\Desktop\TestCheckpoint.ADT

      Filesize

      535KB

      MD5

      178b79a81b983f3f653520df9ac36169

      SHA1

      2196dd5144e47df3c5e1029bc75e4b8a68b49c53

      SHA256

      46d05a7181e2e7ef4f96530df00cda8f7943c864315bbea7f5705a6a20985629

      SHA512

      82c93f4546b7017f1d26e334a27a2889b5fb6e48832338cb59492677586d9faa7c0933e95348e8169523802d0ac135b1614cdb6c434f4ae9ddced5b084208d2c

    • C:\Users\Admin\Desktop\UninstallRepair.ico

      Filesize

      924KB

      MD5

      8fdca6495f8689bc892b6118885b7836

      SHA1

      0c3cac131064e8d979741b5df3e755a2428cf4a0

      SHA256

      ba6f1060c467ebe1bb76a3d8d9f24c22ae10595c601d9340f5173b43b1ddda4e

      SHA512

      957f88a0fca0304b53caefe129f6c1b0b6b86efcaec0e1d4d1bdfd6757a130f731ae35204128c3263be1d2d0e2ef5d94ed3975a48d69b33089356dcfd8706075

    • C:\Users\Admin\Desktop\UnregisterUnblock.doc

      Filesize

      1.3MB

      MD5

      13e3367d2d7084b9c0529481a2c507e5

      SHA1

      e25a7dd890b3a4bb421382a931f65c43a9a62f5d

      SHA256

      040339c66b4d87bb395b00c279d7d88018722a1431665962e2f973f1410aa27a

      SHA512

      1afd934c26ba459091aed5b96638de7baa02a75c1f645b19f40785bd9fcc4ba024a38f924cbe873624f4b8d164c5bfa346f106770230f79fbd4b94d7c195603f

    • C:\Users\Admin\Desktop\UseApprove.xlsx

      Filesize

      10KB

      MD5

      a62cf14e1a11e5126ce02af4491b4183

      SHA1

      a1d96ea65ff76b17e0c00dd5f4e58bbbbda23743

      SHA256

      1070177ae2804513bc222c73d0976e669cb99a6ad0207cb16b18b97490eb446f

      SHA512

      b88ad068801c6b751d717aff6bedda6dd2cd3121fe6bd8c1dae18a2a384933e82c7eddfa46d2c88db853a612cf98f3fb9a7c6cb1573023bc9bcdbfef23cf9344

    • C:\Users\Admin\Desktop\WriteShow.tif

      Filesize

      1.3MB

      MD5

      34ec48f16f260ed3338c810cce95207b

      SHA1

      513041961b5572da67a39b7c433e55b997046b89

      SHA256

      12ed26c2901306c69e0af7984df4ce97ea5b818a302df06d6dad630105b32e1e

      SHA512

      f011811d7f8cad1d4638a4f913316407e5110b6c761a3382333e1bd3a6ceb88eb64a47b906a428b80f5f86086a1018fb1185f1d3c5056a6f97d4f8e4801d71cb

    • C:\Users\Public\Desktop\Acrobat Reader DC.lnk

      Filesize

      2KB

      MD5

      d430547f4c6d64c4f36053f42de1b4d0

      SHA1

      9e92d41693a134f3ac4fb06f7aba663c8c856115

      SHA256

      10b0351332b326d17b516202e0a5bdf2f793377db77c373547b1eb564942cee4

      SHA512

      ac3db5254d551c1864c1ae411c8d6f87435277e18c1f5642c6b36da013a30087e56f28b66a7b6128de98e5ea0f87a57f5fd9061c545a8beb85658db85819b6da

    • C:\Users\Public\Desktop\Firefox.lnk

      Filesize

      1000B

      MD5

      b5b1db65ee4b5444f47f3ba856ba3a2c

      SHA1

      e26f2a2d3ce5c951d6540977e25eec2fc644b808

      SHA256

      7cf618a1e89f30170449a33a2ad7c8063970c71548beda7c31a808582cb8bce0

      SHA512

      27cee9c30552a6db9ce35d37e7207af7fdf1ef4db62bf2de712974976d3af8d8d0c1c2cd4624cb238daa4e26eb07147eb653a618630b9fa1daecba95d18c9607

    • C:\Users\Public\Desktop\Google Chrome.lnk

      Filesize

      2KB

      MD5

      506b5c060574b432deecfd9b8ce43ef5

      SHA1

      364f5adb90065d1df1c84c088e3248f8bd166dd9

      SHA256

      e41ff00c3bb1a2cfe3d73e11e9ef290fc69fb243bd0f6f34c4d337d98784a16f

      SHA512

      eede8f95a5ceb64ff58b5ebe314d8e80a8b291cb2e2ad51b080abf39a0163a9f19518d071095da50e0ad2e5c6df85b6d491a3d574132deb646ae40a07020699a

    • C:\Users\Public\Desktop\VLC media player.lnk

      Filesize

      923B

      MD5

      d90d015c1ee2f3ce05a221185a209f92

      SHA1

      13bf0ab97b52e901b3573dcea67f0be856f5f49d

      SHA256

      66261ef5bff2722cdafecdb7b705c22ace1bd18bd9c515bea4f9e177ccfe431b

      SHA512

      e854bbd237b8ba92150db6c4ab8cfdb0e48a42264d73a73c1f1dbd3cd7f988d3c493d2cde94f9b52cbfaad0b8d2acbee6baae457776c68831095ea3923e1ccb1

    • C:\Windows\mssecsvr.exe

      Filesize

      2.2MB

      MD5

      19c96e2329aeedc880af0ea55c954c30

      SHA1

      e71346165a77213c579c45d786abd07492b7c92e

      SHA256

      8eb01339dc01bd8a949931e7f3f73791ac0c96bc14487fb9879186ee4a007f5d

      SHA512

      25edaa8d4101203e74cc2a3da31d544a0112527df15f1789967345ceea53d1501de15eb4c01aded9d555311850f73c9320a563151f3acd985e7fb2d5bf458c4d