Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30-09-2024 12:55

General

  • Target

    $TEMP/coopen_setup_100030.exe

  • Size

    1.0MB

  • MD5

    749ee29ff4b3e34ee9c7b1fb8575a126

  • SHA1

    3ec56a9167f4e9e0724f106c03513ed498f7ca70

  • SHA256

    f241a7da464510479bda1b1314d70e32b8e907efa15f71dea183810502d27af7

  • SHA512

    461410a6960063acd7294de760b161c73c0370a88f7198ecfe6169cdbe1ba809c4388940ebb154cd1e6cb628c0ef3615e83476ea4cc9fcf54991dea89227de67

  • SSDEEP

    24576:l160aJVJgAyGBdOE+m3u84uQhzRsSFIpjaL8UzhIM39uyKkb2iDvPXLiU:l12ciwEd/4n5RsSyjalhP8PijPXLT

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 Program Files directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 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
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3036
    • 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 Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1252
      • C:\Users\Public\Coopen\CoopenAir.exe
        "C:\Users\Public\Coopen\CoopenAir.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    89KB

    MD5

    78723c8e15f9bbe8aa1e9b6cab6ef556

    SHA1

    c028ea500d5c3db6993685125638ce2f8e9e722b

    SHA256

    20609e1fc26bed1dc7efdb9887f4c66162e37a5efc1df7fdc0741b0a6e9eb7ba

    SHA512

    0af5a854efff332c284537bd342a8d0943705f5a43d77ed274bba78a84b6f0e344443112d9a4291e6e7865910460213f24445418e6eac25c50ae42b0be77a19f

  • C:\Users\Public\Coopen\CoopenActiveControl112.dll

    Filesize

    62KB

    MD5

    4fc6860aa51bb2851b8cdb7e11ef06c0

    SHA1

    3cb9f685727e720d52d3205ba00a327105add4b5

    SHA256

    6e7b3436dda9615be85a9c3a199365f6f74f72f2fafd27ff17c0a169c205ae68

    SHA512

    592a1d3bf6606fbac30cfeda5e1069dd369087521bf74cb4e4b307ea9d844778015d984da6abc2f5b0b4e967d54ddf554b493bb1c991d35ecd1d64c4ef153e25

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

    Filesize

    237KB

    MD5

    6cd94fba79986ebec14c3beb37dd88f5

    SHA1

    d7a68fe23d4e57889790648615b0af300cbaa4f3

    SHA256

    9a60ac947beb6746c4c5b274ebc2ae3a8b012b4ce7cf8b580779d62c03920fbf

    SHA512

    b4331529f42e83d9169c68dca0d086c0ff3d59430dafe1124b7b25bd4b81473bb46d7930cb28cf3efa7a0cec9848150db72df26a2350652e75d9e2c5ebd56582

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

    Filesize

    864KB

    MD5

    c9db521bdbd95a61f7cb85d5ff289cac

    SHA1

    a6802145b2bf9770f1bdc65477f91d6837831b10

    SHA256

    12c7a69d792b5977ce02cfc48af5dbfa59f522f139f9d233c70ffb8c9dbe62db

    SHA512

    90ee7a69d2c925c281cfed998c19e12611689c6bf10b77f52a4badb95a904944c8dd2fc4fc04aa3025fd522c347c32ba39a763966ed2da9ed1c98914505d9a3e

  • 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

    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

    384B

    MD5

    c85a806af010e152a0b2fe9e4a1fab54

    SHA1

    f9ca4c3f2218258563360344eac48441a766ad55

    SHA256

    01c9c8ba4f730d8596ff06ebd4250d30fc48f83064e0a886d89bd67c922256d6

    SHA512

    cec37224b3dad9f483a91a0ac37961a27f2d72b4ed5618e79b6ffc6b130e3acea252481adba69b99f9f186c4cde65bf1c105b19c2f18ff4a3a718cf35d52e83d

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

    Filesize

    384B

    MD5

    beab51f4806792362b25ed879f453f92

    SHA1

    4f5f61da657fecfac2099e390f49b34a629495a0

    SHA256

    91c585fc8b84c8faef1889238c139a230fa73418831b767aa20fee20331a3b58

    SHA512

    c495a02a19ee58da070a3f5e573cdfea17789da3cbd9516d85a4f9c35bdd276e703178e962ff093316fcb1e97ad4c7f30aea3470f31d73f820c224034067631c

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

    Filesize

    484B

    MD5

    823d9aa9a3ef8ddea17b8785aacbf6a7

    SHA1

    6b8a2a6149619c8e17764d406fdf25a73a916aac

    SHA256

    2a67b4fd05459a6317de744c5588bef902c0596ebbafd8ff4f9c456239159f64

    SHA512

    bc615659f83e7a9b893e7f2d6c367b2c9aa5c3d3d6aea7ec9b8b766c5cef06a59205bc89fe30d50e0432239e6e8a6b51ebc79b69883c1a0d08f450259d278f45

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

    Filesize

    589B

    MD5

    b2c14bd1547f4eb05ad06e0e65dc3fb0

    SHA1

    febd0ca318a23b44d298a606dfbafb905846a8ff

    SHA256

    783af2802b3e571ef2d334f0e88ba6a971487dc2f87b7b4cdd12b405acd73f7a

    SHA512

    bccb2c79f040e922a3ece582aecabfa2b57f8487f4a1d5b009c449b7da3feed784a28560e49fc62d4f1a276bf5f3a5ea75847d028eef836e07804b10fe655684

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

    Filesize

    589B

    MD5

    c8250df9278af0eca214cb9a2305f46f

    SHA1

    f20518eff76bd26937f6e4677e08071bd9307a4d

    SHA256

    52abab1e8617e6d39ee8134f29e7e24f46c2b948af2fc8a07bf8b601e4b0c921

    SHA512

    56d4e0fbccc43c7fc89346b96909d304ff5f4a98e084fd28f33b1931466f42ff93d2e37db128a0cf607225aa522da9cb69acdf21a1070c43970b9f76ada867ed

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

    Filesize

    39B

    MD5

    87fd7a8df180e5faf584fa4fbfc72820

    SHA1

    4282613de975685cb6637d2ed5e33c74e3b1f723

    SHA256

    13edf93888e37bb8e1be91c7a5f85d0b7f1378e14411cd5ea718dac861637e76

    SHA512

    57b7000741ee8f058916ceaacafa9246659b91a85e734f68e9301ace215df220b157688b9f7db64df0c27094df833045b4fb415644f8f553180eba74560e4624

  • 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

    1KB

    MD5

    b014fb16163eef37a63cc64666ad38fe

    SHA1

    bc82851345ca917099b16ae8bc1e36f6e5e7aa9d

    SHA256

    9ebdbd1c545613e06bff2dfbbe96f8acfe6c0b9488812e3f0e5930af0268b230

    SHA512

    da4fcc350267ae738ac68efffadbceb1a7405a2e3e2b134d56ecf1a50cbcbd1999807e879010dfe884b5e13bd60caba1bdea73190f7bb4ee3e333df21e3a33e8

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

    Filesize

    24B

    MD5

    0cc02f833ad4bb8b01765646fa882b71

    SHA1

    b7938ee092b156c8b4d95ffaffceecd1cd6e1090

    SHA256

    592422227a3d5ec17244d6281e822f5ab69f7c3b7f2d8ea82ab3ec0aa26dddfa

    SHA512

    3108dd6959dbc9d55575d7bc108c56973ef3e27dadb9896dd4ccad5ea23043ddf00188d9f074e962f95c5d9f065316e303930b5ef76eb03cc6543b2a01420d86

  • \Users\Admin\AppData\Local\Temp\nsoB3A8.tmp\KillProcDLL.dll

    Filesize

    4KB

    MD5

    99f345cf51b6c3c317d20a81acb11012

    SHA1

    b3d0355f527c536ea14a8ff51741c8739d66f727

    SHA256

    c2689ba1f66066afce85ca6457ecd36370be0fe351c58422e45efd0948655c93

    SHA512

    937aa75be84a74f2be3b54dc80fac02c17dad1915d924ef82ab354d2a49bc773ee6d801203c52686113783a7c7ea0e8ed8e673ba696d6d3212f7006e291ed2ef

  • \Users\Admin\AppData\Local\Temp\nsoB3A8.tmp\System.dll

    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • memory/1252-167-0x0000000000270000-0x000000000027E000-memory.dmp

    Filesize

    56KB

  • memory/3036-15-0x00000000005C0000-0x00000000005C3000-memory.dmp

    Filesize

    12KB

  • memory/3036-122-0x00000000005E0000-0x00000000005E3000-memory.dmp

    Filesize

    12KB

  • memory/3036-30-0x00000000005C0000-0x00000000005C3000-memory.dmp

    Filesize

    12KB

  • memory/3036-157-0x00000000005C0000-0x00000000005C3000-memory.dmp

    Filesize

    12KB

  • memory/3036-10-0x00000000005C0000-0x00000000005C3000-memory.dmp

    Filesize

    12KB

  • memory/3036-21-0x00000000005C0000-0x00000000005C3000-memory.dmp

    Filesize

    12KB