Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    13/07/2024, 03:31

General

  • Target

    $TEMP/coopen_setup_100030.exe

  • Size

    1.2MB

  • MD5

    86417458dc5b33ed2d64ec7ca79be209

  • SHA1

    4786aef18d2409c6e5aa255c4663d455196292ad

  • SHA256

    4b2b035586333f7c16e6035e67bed9f4120b43933e74e8a29f64d04775e86328

  • SHA512

    6b2153538d758b35ebb46cb0ff8485c3f8213c36d6a995329a439826225174333a068dfb08d6755e2fe19f2aa0bd752f962a2bcb80fd9a294f878586ee6e9da3

  • SSDEEP

    24576:kLBUwTKA2P9U/cDeCiFwM9hmYYvNKt6n5duze92xK/zftXhp/:kLqsPihZieBYYvNKt65j2W7tXhF

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 20 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 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 Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 15 IoCs
  • Suspicious use of SendNotifyMessage 15 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$TEMP\coopen_setup_100030.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMP\coopen_setup_100030.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Program Files (x86)\Coopen\Coopen.exe
      "C:\Program Files (x86)\Coopen\Coopen.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:992
      • C:\Users\Public\Coopen\CoopenAir.exe
        "C:\Users\Public\Coopen\CoopenAir.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1836

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\Coopen\Coopen.exe

          Filesize

          90KB

          MD5

          f9193966e62c1956bf3c9a716e958a0e

          SHA1

          87401d4a6cb2f023537398fdbf6fc721cacbd93b

          SHA256

          b6f9170d208cfb347ab0095b811a65a1a717ea1246ca25796923b45d2f986e41

          SHA512

          25d9a1b5c7702ebccbfdbcbdd81f6dc5d0aeb5bb6df4a8e8e05ba7cf5840e92b7e64d448d923775345e860ee5939bb34228de81e4b3044f750bab1b5b44ca3bd

        • C:\Users\Public\Coopen\Coopen.scr

          Filesize

          44KB

          MD5

          3238b5035688cc6949293247b08c015e

          SHA1

          076d1a4467981297fa6d26278a798711639df02f

          SHA256

          7c5500ef23b0fedffb0155cf00130f8b2b1e66932e2a0cdbadaae355fd6f8b03

          SHA512

          18aba14c669c17825c0a428f9f2ea3f8f9b42afe584b89a3c6dc6b249aacaf517c179349242bb950161d3889c7e5c16ed9f03f580dcc377143b220709ff045e9

        • C:\Users\Public\Coopen\CoopenAir.exe

          Filesize

          238KB

          MD5

          81caf14643c2fe71ee456f99a4ebbd87

          SHA1

          cc6fc467ee8b05dd12080fa1e8f1725e07e180cb

          SHA256

          d94657d062b2abdcbf5b8fa9dd8974ad2218abca7426fdc7534a6d4aeaed523c

          SHA512

          69a15ecd6df384f648789bfe2cb1401b210d45a1c939c19ab6ad17c6271e0acf527d439a488d55f365757324a4aef1337e20ba044647c11606c424e1de86f059

        • C:\Users\Public\Coopen\CoopenMainManager.dll

          Filesize

          868KB

          MD5

          60aee0a9b29f56e333093d237fb20f6b

          SHA1

          a3023dab4d74a0e9803382e20b64ce780c9c2ff3

          SHA256

          4675621564a482c0d242e86d0da3ce818e60143672155570a3a14ec09f6afa26

          SHA512

          9f7224e38056fe18bc34730496faa739fb245a70fb429365b1044c606ca22d2bb5338323013c436dbda63bf863683eb2bfc3a0364777c8df2149a8691c4ffdda

        • C:\Users\Public\Coopen\Resource\SkinFormal\Background.png

          Filesize

          5KB

          MD5

          af3fc561248514b757b1e1ca3ed933ac

          SHA1

          6f65624a45a267ec0ff48f323be99b100f79db9f

          SHA256

          a441f330499453a3ecb20b7ac00f086dfae1fcf8c523cc4d2535c52723ce9a40

          SHA512

          05cd63672031d5469d735923ea26ec9b459cb07078af46d107e390906927999c8572b6d2c44383ab3419644b476131fae762ac8b8d08e1d113f2de8c00c915dc

        • C:\Users\Public\Coopen\Resource\SkinFormal\Button_Channel.png

          Filesize

          2KB

          MD5

          4dd7916a2eadda37420721628143f823

          SHA1

          a00187f9fd16b59ac23272292363bfa6a1860630

          SHA256

          07a4013a51c36fa265ab621fe673c2e2c5dd1af480f51ecc54b7b2c919242477

          SHA512

          f8058f209a24eb99da466b866024e04bc627086976b9733493e5e67b10b6a0df3db9c5b3fb050f8f458d6656e72e00306bde2457b7e171907b684bf7262328b6

        • C:\Users\Public\Coopen\Resource\SkinFormal\Button_Close.png

          Filesize

          1KB

          MD5

          3866af8e64c640812c954641ba87d8d7

          SHA1

          e602a7934f74d9d59ee8923ec37113041be54e79

          SHA256

          c2fff663bcdf180985f6b45fba7fd0e526ffd11d8b27eae6eb1eb302fd9cd767

          SHA512

          8afe1e59424759f1c336bcfc5229a14c626d4c92a173a64bd8354823411a7a9ad066d4e9a9e42820d73ca052b4a97009ac8b1356c339722742ef93384474f43d

        • C:\Users\Public\Coopen\Resource\SkinFormal\Button_Commit.png

          Filesize

          3KB

          MD5

          dc09fdd540cbffd051bce8a3403212bd

          SHA1

          fdbfa319d99e426ec06d3401418221305220a7df

          SHA256

          6987ad414741684bde8472c1aa252cb0066311c01a1dd27a70b5a51c524551ff

          SHA512

          3f37e41d842b77f6704ba53b7f16d4ed747c69e8797d305451dc54b6519a88996be3d85c982cceca01675db0d6efa9c46be468b0516bfaba364413bd18f2ca5e

        • C:\Users\Public\Coopen\Resource\SkinFormal\Button_Next.png

          Filesize

          3KB

          MD5

          2917cad3e39ac06e082780f167fa0f44

          SHA1

          df07535366f50c5a0b00205bbb868eae9623094d

          SHA256

          eb522f713ffdac54d5029243700ea142dfa0b1e4dc11a88257ac19148be6642d

          SHA512

          75baa151fce8ee5c7b4317a92822612d6dd0d5052b560252831e06a5de05ac7c01dc8700be2b6c72e9831e796951df3859689ed44377162662e51298f74172bc

        • C:\Users\Public\Coopen\Resource\SkinFormal\Button_Pause.png

          Filesize

          2KB

          MD5

          faaaaf227d4eb429f8b69fc4e0e1b16c

          SHA1

          6816313798ef3ea247621bb440bcff3440c6c446

          SHA256

          eedc79110acc5dddcc4cc57c62961f141120359ed20a6c9de40a9f9e78476c2e

          SHA512

          94af7615b0b39fb9a969bc324a24b29bffa08bbf8907fbc897179fc3885ca3510b6c3ddcc06ecff880165c05cead9f681dade263d52cc1247472d13796e3be93

        • C:\Users\Public\Coopen\Resource\SkinFormal\Button_Prev.png

          Filesize

          3KB

          MD5

          e74c72f68eb70580e2a1cbd4e78d571a

          SHA1

          1be39fff6e7988718233632aa2be59acce14a285

          SHA256

          ba0a735ccc5aaa30ecc0454f2d1465c0a313e7e45a1a7b8cfecf169944c6d351

          SHA512

          51259aed26144bf1ffbefea7421352606ae708093d7e5fea3f068718fe70a7840204944297fba225ee645244f4f41fc989d3244507ad931a5051f50a0ae0ff27

        • C:\Users\Public\Coopen\Resource\SkinFormal\Button_Widget.png

          Filesize

          3KB

          MD5

          7381c99fabae123b943046adffb95ac8

          SHA1

          ce905f92de5db8eab537cba9015ceb4739d41b92

          SHA256

          b6b8d9f590e46d3f8ea11bd4ec578e6f12d45143af4554fd14cc9a13869c35e6

          SHA512

          2f9f2f73c615a6398ec1efb6190a8d89dc2a0933612ea3759033bbb1722767cd5c855d2c6e85b02a2b2b31c57464ea154db03f7f9e6c31b90610e670a0351624

        • C:\Users\Public\Coopen\Resource\SkinFormal\MainIcon.png

          Filesize

          1KB

          MD5

          47ad98e1168aac8e6e58a0b20304391d

          SHA1

          3e153de12d65b417cb80c7d357c782453a6cbea0

          SHA256

          dccd8b4ab98dd10f226f450fe6d9626fd4be91679542f088a6bb2444d75eb70b

          SHA512

          c1cb2860c0edc2ca1ae15075c563f073a9bd3a6b7653439f05a99c0b2e8732cc8432d1a3ba2a43c2171e869e56928afd4b773c4c111eeca1d9fe8593895a9c93

        • C:\Users\Public\Coopen\Resource\SkinFormal\Progress.png

          Filesize

          1KB

          MD5

          a3c16f92de8cc28ef8c96df2e40f6ced

          SHA1

          4f1f8fedd6f93be9e06105e0723d5d441cd37762

          SHA256

          1879cd50d901d9be4a7f6dcfbb38ba98fb7ff6e4001798dae66415479eef8f9b

          SHA512

          78b89745d755101b59d6e89ba0c3c54e312d1145de8c9b2994042b69e7a49bd4755a50e96071728908352289fb0c2e10d6d9b9b78b55f00cf5222efad62c71ba

        • C:\Users\Public\Coopen\Resource\SkinFormal\SkinClient.ini

          Filesize

          1KB

          MD5

          f1c1c686020403197cbebaee1d4097dd

          SHA1

          6f114e31b221aba01f60d839ceed1f057b939835

          SHA256

          2b84849d7be3dfc1d6ca56cfddfe1234fae14369bcec05fb1a200eb0dd676e0c

          SHA512

          c9894ca952fb99de4a042301ff136515ad97d0be798aa15e201401853d61c5344fd4a4201b986c200d0f27fb1bfd9ddbf0b35a848a0acce20665491b8416e4f5

        • C:\Users\Public\Coopen\Templete\Default.tpl

          Filesize

          141B

          MD5

          de31224a9c1c0f0c1e7fbffe02620ee7

          SHA1

          9b89c6ebbc3470f9d390278be1f9abc9d5aab2a2

          SHA256

          0897cb821974d1b47d882e37d99c1037097c2ceffa7a639a81d853d1f7f056cd

          SHA512

          53e5258871ecc99bfed109e7f576f9c5463923061674269720d7f78d1f28835531bf446d1ba32986728aa9ce026a7fd860942971dab36caa00a27897fe81515b

        • C:\Users\Public\Coopen\Templete\DefaultCoopenWallpaper.jpg

          Filesize

          75KB

          MD5

          3a1aef530244c5246688ada270ca479e

          SHA1

          49fb60b890a2ace02641d7d4774ada8c1abd356f

          SHA256

          f2df1c5aaf11b57af873a82237a08abfb685fe23371aafe73b7927da9075d711

          SHA512

          b8cd7b8ce830655d65ff366a0ee8af80b6ba8365a8a0bf2ea5c50a50630995a3a816eb6925be5599c94cddfb8ffd74ddde5f4854d4c5f2e54dc1775092d21c29

        • C:\Users\Public\Coopen\conf\Admin.ini

          Filesize

          250B

          MD5

          6348ab79cce71ccbd92ed0f9cb742441

          SHA1

          d2e8e0d6423570a5b1c8e88505967c698fbe3bdb

          SHA256

          3230479a1c5f68623b93340a38e9d8427cf17b8eebf9ed79656b7b13a19b1dde

          SHA512

          6ec05f5a0d52423a6743fcd498e9e41ab34a7f993e2aced974f945f52aed09b775a82333612daddb757ebbbdff15bbe5bab7427111e1ddce674070f9661d0cf3

        • C:\Users\Public\Coopen\conf\Admin.ini

          Filesize

          261B

          MD5

          d181759cae430432c70ded919fcffb56

          SHA1

          0a72d60baa90147a34f1f6ba17a8c3775eab2da4

          SHA256

          33b5600d00015b0e0b9a8a1135e1431bf1561bc87bcc54e2c4491981257048c5

          SHA512

          db24623677ed12b6896cc8a7bfc8b29cf9373f80b65817aea04d6fea9415321f3ebfa9fabae869584e46df1a16d040c8ab50c4f9d723ec910a09c897b92497a1

        • C:\Users\Public\Coopen\conf\Admin.ini

          Filesize

          341B

          MD5

          5db7efe3a7e33e2afa0fe8f846e4ebba

          SHA1

          ace91a021ac988cf0e7aa53f8d66b9f3430da482

          SHA256

          7a86168e4d101fa11dd56a23459c6ad0b3f8ff52b1246153e50fdebd9c3b584f

          SHA512

          aa842c96ad931c04c7473cd0923c17a07d24ca98b776c19e58bf2e0ec139109d81e66071ad10ed6ed2fe96f99e70add13d4b4ffbe32df8c7bc89fdbb05c2ea94

        • C:\Users\Public\Coopen\conf\Admin.ini

          Filesize

          374B

          MD5

          4b679440cd54d2ff389720dd1753f802

          SHA1

          72739b6ad78a7fdc5d96692b4a01f3aa835b2270

          SHA256

          98ca6b075ab2e43f159db1a3903e5881addf0096932bcd79bdda0f4243bb2251

          SHA512

          90c58ca4e72567301bd844dd734d9cb405b03bcd0b5d67b17ab3636c56923855d7810a992ee5b9afe11b5c35f55fcebead3ad428e626f0be5cb9ab82d7e9cca7

        • C:\Users\Public\Coopen\conf\Admin.ini

          Filesize

          474B

          MD5

          1d8bf26bb6451fe31542ab9d510075c7

          SHA1

          39d077b4e59642b738cc80b20d34b0156aa58a61

          SHA256

          2cd2bfea797163d899159b083035dec512678f05cf1fb17598e86a931422401d

          SHA512

          8f459838b61d7b2a489b913c4cb6eecb3e6a06a5fe04ea0ea09eefbda38b3efc12a2197e097d0145a747fd9f3b35a27e147a75f735996003133dd3d1cc32d530

        • C:\Users\Public\Coopen\conf\Admin.ini

          Filesize

          579B

          MD5

          5f3b9238c657e46bf9ba87bf00f539a2

          SHA1

          47006bcfc7880ee345fca0dcd067ad6f47fc6b8a

          SHA256

          a43171d739ebdce724027a48e6b24cb28b78943d4bb5acb4c0ed7d8169290082

          SHA512

          87f4d87e845dc389d47f4471f1e0a0de247d079afd85b66487ec6a986da31bce4432475c40fe46d184e296ff5f25001f1cc9a3f066cc67cb19f37b18755c0db2

        • C:\Users\Public\Coopen\conf\All Users.ini

          Filesize

          44B

          MD5

          dabdab4a8e77f088505be65c7182105b

          SHA1

          9c898a294ef6c675b0da09e68b79bc6ce973f715

          SHA256

          318e64e6e9b17c6d072792aef74ef1ccce2ad95c3b4fdb13c8446a29d922a979

          SHA512

          0b0a897b92a266bcd4f924805e7c88d953b93e724ebad8e540d9c00768d973bc3b7b3527e24bafaf3aaa4e856b9511bae4ff78cb745681dfd43c0235b193fd5d

        • C:\Users\Public\Coopen\conf\ChannelListReal.txt

          Filesize

          370B

          MD5

          429c106d3337f9e4a606f663e8e92bb9

          SHA1

          e7d11f453d9a8eeb2bd67c97723956d63714d57e

          SHA256

          78ea53fb5305c65f7e78f1a331f60f09ef0ee8f3f54d47f202ce4c84dec62ddc

          SHA512

          69be1e8fb5eabf24522325a9c44f1e59f4fa8c1c40ad109f0bdc8535487b6025e2dd5a6238dfd75e7cb70f0d02bd0c8209232fe709108a4e5091be221766b761

        • C:\Users\Public\Coopen\conf\PluginConfig.ini

          Filesize

          3KB

          MD5

          cf305214622c5d2234854c71e021ae74

          SHA1

          b885a1bb8dca458ed3acf1b9aa2c143251428dfd

          SHA256

          b72997d6aea481af28fbacf9463d9de324a74096d81aa51b239fdd5c46fc55d5

          SHA512

          6a746494bdb0450b2e8f259b16e55feb85285470eab6289ba7493695d71fdbd5d29fdeb64b5b8fdffabfe2414e401df406a611f204699f5000bc3ff7833a01af

        • C:\Users\Public\Coopen\image\Photo\local Photo\ModeBList.ini

          Filesize

          207B

          MD5

          16ae315b66e839d1c401c96d7900131b

          SHA1

          00f174199d70f1365c9d44a4d1548519c249ce5b

          SHA256

          94964743d23c319b9c44f923fccca3df8d8f8f0dd9a5ef8ec2940c383c9d4668

          SHA512

          614ed03c15897d9ad9efcd6a41f1be1e86f130f48cdaa3a211fac0b00e949c4adc3539737c71f83fc208057ffd2e50a7c2b39d5679031f32a3a0e8a83eb61e46

        • C:\Users\Public\Coopen\image\Wallpaper\coopen wallpaper\109785\PicList.ini

          Filesize

          24B

          MD5

          0cc02f833ad4bb8b01765646fa882b71

          SHA1

          b7938ee092b156c8b4d95ffaffceecd1cd6e1090

          SHA256

          592422227a3d5ec17244d6281e822f5ab69f7c3b7f2d8ea82ab3ec0aa26dddfa

          SHA512

          3108dd6959dbc9d55575d7bc108c56973ef3e27dadb9896dd4ccad5ea23043ddf00188d9f074e962f95c5d9f065316e303930b5ef76eb03cc6543b2a01420d86

        • C:\Users\Public\Coopen\image\Wallpaper\coopen wallpaper\PicList.ini

          Filesize

          176B

          MD5

          f414304a708ada6cd0fafb824eb360b2

          SHA1

          bc08189efd786a2be252c3d911f04600fc19e0b3

          SHA256

          2924edad8b462a47255e05d8558743e8404f1284c2f0ad995533282fce8561fc

          SHA512

          8354bcb32f499b7971cdfc5fdaaf897a7df4cbcf2fbcf52f791a11ea9083f1d817115642f28f996d39d1ac44efd9255cffe02ab54e14d2a8d366586017716caf

        • C:\Users\Public\Coopen\image\Wallpaper\local wallpaper\ModeAList.ini

          Filesize

          175B

          MD5

          1af26ad01b866361f3a3df509e9d3521

          SHA1

          6790d7dbcef59935971fc5865403e2ebd2e3fd12

          SHA256

          174ff2cbe7714a9d7d3511c677eb50163d9ca1bfd3a555a093152163ef3936a2

          SHA512

          c4170c8836d25a1b8d38d1a6dc55f65562dcba663d4d8a517023653dba7e3434e5683a5cac59bd499408240185bd338c097f99baacd95313ac3a55af76185520

        • \Users\Admin\AppData\Local\Temp\nsyFC6A.tmp\KillProcDLL.dll

          Filesize

          4KB

          MD5

          99f345cf51b6c3c317d20a81acb11012

          SHA1

          b3d0355f527c536ea14a8ff51741c8739d66f727

          SHA256

          c2689ba1f66066afce85ca6457ecd36370be0fe351c58422e45efd0948655c93

          SHA512

          937aa75be84a74f2be3b54dc80fac02c17dad1915d924ef82ab354d2a49bc773ee6d801203c52686113783a7c7ea0e8ed8e673ba696d6d3212f7006e291ed2ef

        • \Users\Admin\AppData\Local\Temp\nsyFC6A.tmp\System.dll

          Filesize

          11KB

          MD5

          c17103ae9072a06da581dec998343fc1

          SHA1

          b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

          SHA256

          dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

          SHA512

          d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

        • \Users\Public\Coopen\CoopenActiveControl110.dll

          Filesize

          56KB

          MD5

          78e522aa4f7dc6ca322eabe916dd7190

          SHA1

          e7f40650e3de52e26f5d07dd8a4dc53f935ea97c

          SHA256

          a929ac8a08eeb966441646549a9e925a306aaea374ccba9996225ea0e14852f5

          SHA512

          9ec165d5acf2b1e5aa0bf79986a2458f5db910e7d2c739cfd0b092e392b3acc94f9df9c871b9d6484986dda5f5652ff60bb555c5d43e5f659df35adc12a667cd

        • memory/992-169-0x00000000001F0000-0x00000000001FE000-memory.dmp

          Filesize

          56KB

        • memory/2868-34-0x0000000000350000-0x0000000000353000-memory.dmp

          Filesize

          12KB

        • memory/2868-159-0x0000000000350000-0x0000000000353000-memory.dmp

          Filesize

          12KB

        • memory/2868-36-0x0000000000350000-0x0000000000353000-memory.dmp

          Filesize

          12KB

        • memory/2868-37-0x0000000000350000-0x0000000000353000-memory.dmp

          Filesize

          12KB

        • memory/2868-35-0x0000000000350000-0x0000000000353000-memory.dmp

          Filesize

          12KB

        • memory/2868-33-0x0000000000350000-0x0000000000353000-memory.dmp

          Filesize

          12KB

        • memory/2868-32-0x0000000000350000-0x0000000000353000-memory.dmp

          Filesize

          12KB