Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    04/05/2024, 15:14

General

  • Target

    RunGame.exe

  • Size

    71KB

  • MD5

    6cbf23d640553b01afb2bcd64e513603

  • SHA1

    85553697fa8aa86bbc5de321c94b20664018ea28

  • SHA256

    bdf45e650caaf214fadbeb8a534893bcdf45541e5d641d4beda97ce49317ee83

  • SHA512

    232e910ae2f0fc551f8fa2b6157824b44f95389546b5f42797b225dec7a1c28a5ce89702d6393809cc4f3d057d31889b4bf12d9644e89207ed354fb8d157957c

  • SSDEEP

    768:TUntxZvPzGB6rVz3gFobjZkVfW9HPCfv+I6rhPX3aH8+GbebcYaSMP5aGNSNg:TUtxhkFKjmVfW1PC+xhl+DbFarPfug

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RunGame.exe
    "C:\Users\Admin\AppData\Local\Temp\RunGame.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://game.kugou.com/AdsPage/2013/01/DiscMicroStartBox.htm?cid=1201
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2988 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2532
    • C:\Users\Admin\AppData\Local\Temp\tpm2118.tmp\KGGWSetup_1003.exe
      C:\Users\Admin\AppData\Local\Temp\tpm2118.tmp\KGGWSetup_1003.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2656
      • C:\Users\Admin\AppData\Roaming\GouWo\1006\KGGouwo.exe
        "C:\Users\Admin\AppData\Roaming\GouWo\1006\KGGouwo.exe" /install=1
        3⤵
        • Executes dropped EXE
        PID:2948
    • C:\Users\Admin\AppData\Roaming\GouWo\1006\KGGouwo.exe
      C:\Users\Admin\AppData\Roaming\GouWo\1006\KGGouwo.exe mini#1|from#12
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3C428B1A3E5F57D887EC4B864FAC5DCC

    Filesize

    914B

    MD5

    e4a68ac854ac5242460afd72481b2a44

    SHA1

    df3c24f9bfd666761b268073fe06d1cc8d4f82a4

    SHA256

    cb3ccbb76031e5e0138f8dd39a23f9de47ffc35e43c1144cea27d46a5ab1cb5f

    SHA512

    5622207e1ba285f172756f6019af92ac808ed63286e24dfecc1e79873fb5d140f1ceb7133f2476e89a5f75f711f9813a9fbb8fd5287f64adfdcc53b864f9bdc5

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

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3C428B1A3E5F57D887EC4B864FAC5DCC

    Filesize

    252B

    MD5

    d62e959720b30244927ac52363072d5a

    SHA1

    388594cded8cb116b69d6bdea1efb0310af4d6f9

    SHA256

    a2e73a00b7617094749c5592d32c256a85af1a84d44e907910c2ad34b14d6c6d

    SHA512

    42e0415602adf73d936c4b0290ad4c636a13db770224331e0bcdd261c91054849922f643c7326bd19f1879884cf280bd96dd2b876a3ca3f8f222a0486a250007

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

    Filesize

    344B

    MD5

    fb3f5b787cf64815ce9d164ad1204d5f

    SHA1

    3cc116d470583ce7a3574dd52d870b61968ab884

    SHA256

    06e2eee1d7746277de3e161af73b2b2b943dc22993585030a5d934bb300d715b

    SHA512

    5bf154b2ba0c71c24423662f4c52cfdf98183e744b7a498f488e1e2415a3608f8fabe5d4828f3d79d17b45d70def5d9ae5330f9350967bc6e3e8bd8347cf14e3

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

    Filesize

    344B

    MD5

    ad92d2fadccc836b283d1be02dacc9f7

    SHA1

    162a0fe8c35a4a37d92289ea5dc6351083104f0f

    SHA256

    403abe9542130d54cff02d3f5ba4a4674ea429186a5027b5692887cc488fc09d

    SHA512

    42f876b8d217e832d6d25b759a07d158324e54ea15f8fbbeb34a1729bfbf88f99ce1525f3c7cdbb4f63ad591a4d3f01cd20563a92bc85126578ad8abab59a622

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

    Filesize

    344B

    MD5

    b01a9453295d65268734be458e385eb9

    SHA1

    3e2b43920740bee492e064f7881d8f2d75f16aac

    SHA256

    3b0488ca23411e6114c8ac2a0f02e9114512dc03ce03ea3df5137d6ebd13b4e7

    SHA512

    147a8c9ecf9a88c692f1769248175e7b598131b732ad7c0310cf355db0a571b7a7f395ef6fa7c2d4b4b1128ecd68f67f2d9cbb9a226a620ca9bf18aeef5e76f4

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

    Filesize

    344B

    MD5

    3d7df73588795e4490d04d178263a29a

    SHA1

    223cf31050ab7986b012ced704e235edf65398e3

    SHA256

    b86161fb9de29c664662d6e1a82cedfd1e0a8697695c3aa58da9abe341eacecc

    SHA512

    2f694286aeb9c74d3d00e774a04429f2eaca408a5c2b607875daa9293a05f513a9f221fd66e009a8f415d5a5e746d1b27bb95c989ae58d27b5620761afadf49e

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

    Filesize

    344B

    MD5

    5c601f5e79107b7e912d575b660855a1

    SHA1

    9966ca11d46c062ba2b71f7a639d6b72e19566ee

    SHA256

    8458290312960db48f257b21c76e0f78494c65d6ba87f72c29f3d4a24baa9b37

    SHA512

    976047f191b9029518f9ec7e1f5aa259de22e1acf809917cedf6004e678bda5650a72f19921001f77fb56002e7c76a0a0d36d7f2d9092d7739f06f0158dd1a18

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

    Filesize

    344B

    MD5

    201bb0b2d0dec59dc77a1c7117c43bac

    SHA1

    1887d87b71064ed42a368cb315cfd235775f0530

    SHA256

    04579e6dc377d1c34473fe4aa73dd4a399100426af9c62d38425bc889ad89f31

    SHA512

    b13bf687951d289e8eb07965eb0fa2ffad8880cfe3441c10a31880d30435df78bd4375bbb652f95c183028abae271c7d515a78b050fcff3265c939be6780d47e

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

    Filesize

    344B

    MD5

    91a78e16f4fa71459e58c5970e000a3f

    SHA1

    2f07daa0888dbcb0bb2c37a1fff7acca4a67e9e0

    SHA256

    8d42aa803cd9015742c3f73a0219ef98252ea7ccdaa0682fe8e06c3e2acad0c7

    SHA512

    0ab954100f3cdb31b0c571e4021d880a7503e4fbacfa006e63b2750eb26533138304b8f26488766accc59fb725bcd6f5a5c1bd02e0c5695ff8b80aa6f2e521ff

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

    Filesize

    344B

    MD5

    8bc006f1d23e36a2c0b0eba2bad4c509

    SHA1

    c6a95562fd2a6425a312d420db0b670cb1682a1b

    SHA256

    318d8b51c943be23232ec58cddecfeb665198768e8fb5f2ff0ed3e9b56463cdd

    SHA512

    e2147b3fa04fb4b072d0a36cfc8eb5f5bbdf9a18d6d2d8f1cf9a41f1a49b5afa0ba27aff929b181a56a893a198bf462636c797512dfa50e1d6af0e4fe77f84c0

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

    Filesize

    344B

    MD5

    88c97b9383444c9af5fa70ceeb94d85c

    SHA1

    996bc526558d04ec9619b487a7afc8e8e49cace5

    SHA256

    869487cf5d733af7fda402a2ae998ff52aec3cac2d226edb529f768b2c64e7b0

    SHA512

    33793946cd6854dcd58e790b61a02e6724bafafcc012ee4cc3e5a9699378bc100edca5ff13596e551416f6ef16b813408f1d23bdc2d5ad3a0c20c9a3cf5fcc0d

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

    Filesize

    344B

    MD5

    7cce90cf65391f8de0ccbfbd86ad72a7

    SHA1

    2ee511b5c11fc43bab692eb34b64c06d1857b194

    SHA256

    c593c9a58182fc45b9fed5156f20bd1220310c8ef67a2b3adab20060c37f4e2e

    SHA512

    f3e0b70c0ee08e36b4ff8ffa29d1def966519717d4093a21fae72346ba683ec670f64376fca9ec00f11384f24f13b312b8e9ba7855c4815a529c58c076325a7e

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

    Filesize

    344B

    MD5

    b5fed0f22ff372972f7e7874373d9a8b

    SHA1

    b9ac9287179ec5caf5fcd4047c1e3bf60af2e9b3

    SHA256

    e707d13287a7198adf4f6591bb7a467f243a1b2982279ab48c886da273e4f822

    SHA512

    22edba4e76ffdddcb7b19385b03be21812738c5497002e494b004a5566026d8258860f84d5f93f0cdaee8fc30d6de9f7e399e535025c6465cec581ab05885718

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

    Filesize

    344B

    MD5

    3e997f11d8ac0483cafc7a2f59fc94b2

    SHA1

    aae8d5eadeae8e0318fe6e72a78f56be4e517c96

    SHA256

    65846e13d136bdb79676646b472638082bb5349a8b16001c53e9e8ef916385de

    SHA512

    1821c3a9523521000b1866c84dddad9f599a6440f0dd81a6715e1ded6805b0622f6bfc99ff8caf72af7f12edfb6a9756150384549ae007d1dffbc06a07d3e76b

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

    Filesize

    344B

    MD5

    70abcc9a228b6325481fd080075aa3ca

    SHA1

    fbb061f9ae44eef1e0f4e6f179378006e8dbf793

    SHA256

    f98915abda179c39c8495f3b56e514514caccfc73699083dc4d087b56a70cc38

    SHA512

    9e236d253d86cd92199b9bf36fd9008d072074c7c88e49f5d7c2e6211efd0ab75589153280558ec7e798dec1a18d0a6db8610700546d71a3d871efa57cfe6e14

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

    Filesize

    344B

    MD5

    76e37c17b59f1805207c953ae6547dae

    SHA1

    10a64212dc1ef7302e3cd277b060e16b7cadcbbc

    SHA256

    6118fb0e60d9ed148fb55248f96a06230f90c426e861f65a789bcc7635410c65

    SHA512

    02b7f25348c8191e4aeacaf1e87b40cd9388b20554be758833084735149c5d7736d1f327b89b152d6363bfb603b2367c90607346d5b722f0253fd2349b9fa2b6

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

    Filesize

    344B

    MD5

    40a8735b022584985e4a4ca316517728

    SHA1

    f819b5f4cba31a210ae27c81f840c891979fa0c0

    SHA256

    4432659ed19b4fd64073c99a744848bc9a34f574f3c23a06c011bc0a0dab4666

    SHA512

    bfa150d5afb3a823334e93dd633549ab5c70cbaea71f233c8e6ecfcb43fd7364de139913ec39672666aaa83bbf45277cfc7dbd6292e1ae0d06f01ede87663755

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

    Filesize

    344B

    MD5

    cca983408713bdc0f0807202db2873e4

    SHA1

    efb580ecf498d6050fe3eea03bf0078223277af1

    SHA256

    89c3d0becd39f2e4667dea4a8f5fa27a77be109fce9d72be3dcdd05cf38581a3

    SHA512

    66b77c8d0927f8175f5481d5a447122c6f27e1a3bb52ff46af5871b8071790efd8bb6dc23dac45b03cb41e1e4930447fcb598b8b72ee70284e401c7589038c9f

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

    Filesize

    344B

    MD5

    fa31d74e7e9319361e859338691110ef

    SHA1

    974f9fbcd6f6f6d107313f2d5ee79e676a6b7b86

    SHA256

    086cd6d070ec517b2005b6f5c12d9c4c2891d4f7b671c9b2682038c5c1fcf04d

    SHA512

    be61ff34617f7f913094f9c8dcca72708c964cc668691a23120da01cc9a13ed388c4b27fe8a2a556c8408280fdd430a4dc3101b48c0e8e25cd87e903f7166019

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

    Filesize

    344B

    MD5

    2bc4044b07bbf3d9e3cd98bf26ed2a3e

    SHA1

    32b2b94fff77f09508135bdc89e6f766ff71e60e

    SHA256

    b179cd78cd88b9221946f8adc9935a3989d2c61cf9c2afd2ffe179b280a7bada

    SHA512

    b5c384945a68a53abf605cdcd4dc0704659125eab4fc88c2f5566aec398246ace542eacf421856d39f1f4bea969eaae8e981c073d0d1f1aae895e199301cb9ae

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

    Filesize

    344B

    MD5

    05144269f4fd994749deac8c61a3729d

    SHA1

    9fd176f641476e90cb2fec7abd986fa0020990a9

    SHA256

    d6dca0469e0243a318c78d642863f94e9c4efeed16f7ba7471061174d4db139f

    SHA512

    5be83b778f4f5f4cd8036b90f1aa5be2bbb854a556165aef8d765f79ba3af331c5faf516e244909c1bbf66e61cc36445c63e149986e64db037ab531d85f0f51f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    feeb0f3a37e8d3bdccb41eda7585f552

    SHA1

    b76f991b06adf69502563e920783903a08851819

    SHA256

    7590c245dc3e4a6f88ffe9574735f0563f9cc7bc0c2b0cee4fa031bec3a545f1

    SHA512

    445bde3f930141f99e25d7446acf97ff5d0512b673139e13afae368f715183cd0eb53cd4155b567dd85056ac0e1c84ad709b127ab4fa28a7b5b11f95c5a1419f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico

    Filesize

    4KB

    MD5

    da597791be3b6e732f0bc8b20e38ee62

    SHA1

    1125c45d285c360542027d7554a5c442288974de

    SHA256

    5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07

    SHA512

    d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e

  • C:\Users\Admin\AppData\Local\Temp\Tar5161.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • C:\Users\Admin\AppData\Roaming\GouWo\1006\KGGouwo.exe

    Filesize

    2.4MB

    MD5

    cb937008ac49500aa24b505c5b6105a6

    SHA1

    aefef477251967316ca2b1169150ef9c0865cbea

    SHA256

    5b672cbfb422bc4531bb4f5146b24b4b05111879d1c3a746aaee57dee4f9b6f5

    SHA512

    a1015d0e51167d89ecd1d512bb76058452902729a5657b950e6a5476f14826ec1637ef436bf882645585971757bb6deb387a8ae47bbdbb04b26223ac7f33de9c

  • C:\Users\Admin\AppData\Roaming\GouWo\1006\config.ini

    Filesize

    206B

    MD5

    ac9296bfa552ef71827600de7c44f681

    SHA1

    1e9b14de71417904076167d0a09ad13f7d50b507

    SHA256

    5bbc50878279735f70bf455cc91587c7842982d3e647baeba8c90627900bab8e

    SHA512

    05015ff88517366d477723cf74c04fa05bb1756b6d7e8b657749e9b4ff1c4872f148d808a6900e8942855c86dcc9776741e2a8a147b9034157f14106e0cc3f68

  • \Users\Admin\AppData\Local\Temp\tpm2118.tmp\KGGWSetup_1003.exe

    Filesize

    1.9MB

    MD5

    56c3f6c9eb6f7e8223e49d7a032a3eb6

    SHA1

    7626a176ef3f9571a53a443e809ad3ae96526d7c

    SHA256

    5143a8115e9d6d0199a6e67de56b98bcdbcb4adda9ed85e062558b1d05710826

    SHA512

    31ef589f8070c3ce5454744a7d01c1bf6c44f40f9ff86dfd3034cddbc0f9a3e01f36d9a7aeea2927e858349e75f38f8203da8dead84d635f580995cc102b2021