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Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26/04/2024, 16:16

General

  • Target

    Nihon.exe

  • Size

    7.0MB

  • MD5

    c1710581cd3435206fe9430ca2b176ea

  • SHA1

    6639efa6e9933368498461d704b3335bc3be08e3

  • SHA256

    c22eef35c9d5facc5ec6423577419077a7305c5be195f5b8a0167ac5b62d78c3

  • SHA512

    594ac03e4bd5917333bed646d0df6d530c0bccab1e9e7062267bf4ad12ae1d87aeb9c353a415c37a1db9b4a529021ca044d0aa1654e57b6a49490c439389c40e

  • SSDEEP

    196608:ZW5nsbRNSJILeK2eENgphmY4JYuog7NC9k:ZW5nsbwqeRe0gphmYsYuog78a

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nihon.exe
    "C:\Users\Admin\AppData\Local\Temp\Nihon.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch&plcid=0x409&o1=.NETFramework,Version=v4.8&processName=Nihon.exe&platform=0009&osver=5&isServer=0&shimver=4.0.30319.0
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2120 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2632
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2120 CREDAT:406549 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2484
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:1520
    • C:\Users\Admin\AppData\Local\Temp\Nihon.exe
      "C:\Users\Admin\AppData\Local\Temp\Nihon.exe"
      1⤵
        PID:2440

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • 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\MetaData\94308059B57B3142E455B38A6EB92015

        Filesize

        344B

        MD5

        cde732f961e96b4c9adf19b18744ab29

        SHA1

        c7cf1db4c8a8aeef74a0e81bc57eb7438e3aa71d

        SHA256

        1437dafa36695b58727c3041f2fbf74366496f03d2f3fad36d9151cf4db12e1c

        SHA512

        07dd94c7f7593e969493f532fac5edeadb997c4ae2f961d4be65480ec901a9fa0ffa8db552d5c056460b12244a4390b67f79456822b9ebd5d89de645ccd40c99

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

        Filesize

        344B

        MD5

        6291fdf5e51ae3976e5df63aed6a3957

        SHA1

        576ad81b1a55faa43945fa46551e9ddad0094c27

        SHA256

        e02cacdc347c1d7f02b5d9101a641633370c88281a1116941ad10a35a3404431

        SHA512

        b05d9cff8bd6de0c13a41d577b90a226237518db9747160e5c2eff60b3514de63455fc59a45565c55f8c2bda6ed6184df5411263e6ed6c9045cafe40aeb44f5f

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

        Filesize

        344B

        MD5

        10e4f85889d1fbcf8f263a7a50ed4f80

        SHA1

        c7e8fd320ace4ae4675529fd2f5a4b26bfc19519

        SHA256

        b5819386c0e188f012427145b450a65e95537d4c98f22e6e92cc0a577a64e97e

        SHA512

        626b6655923338c519851c656dbcfa9e0ce459164aa6098d6b0b4b3b4f1af238191fe07903af32b1f5f528fbc46d1edebcebee99b5d00a337e8a093a2f3b36ef

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

        Filesize

        344B

        MD5

        3e12915357a84f02541a698e737746ea

        SHA1

        71e838000cf4f1c6097a3e43adf98f5b27620c49

        SHA256

        bb69692571bfac0256e836cb538e077846849a239c21812e43fef1ebbf8d00e0

        SHA512

        dec345c8d24af30e4e2e6d6343df6b14fa9f5e7fc21fd5fd113ab59cd9e90045728acb8c4b7a86a026d3249ee9e5de1ab302afcd38bfd5b05fbfcc77a85dd091

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

        Filesize

        344B

        MD5

        482bc4de0d013c6477c59e818755ec4f

        SHA1

        74501cc447dad3b4454371ca62e49a89a3bfe890

        SHA256

        f16de059efc99a8908a791029851bdeb635b16cbb582374b80b82ffaddec12db

        SHA512

        3015539d21f59f12e75928fd65d45d9baf67b178ef298c65846cfe6631fc72b9e701ca7b811003134945d66352bc8d4dfc93b6aca1e436e7f0f825b529f67b2c

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

        Filesize

        344B

        MD5

        b49bbc50a1f9a53d88f5f797e38a3e47

        SHA1

        36d27a1ddc3334fb7a1f51b64c05cd878ada8984

        SHA256

        95f556af1cb773fa90b4d3162318a80ab33a801357d41cd25713ef8af47dc352

        SHA512

        d387da895dd4f8d74dbeade8c6836629df8cd8d9f5280c4a097453998dfc909f3ec56bbab8724ff62e59fa057921f13b12c770228238a3aaae437de93d3db37a

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

        Filesize

        344B

        MD5

        bbdbb93e193132b306fea1512155cc3e

        SHA1

        38ffc92f7a96a8a60b4b89cfbb4944b46961b0c5

        SHA256

        37c80a582634108971911864f3944a721e80060f28fcfbf545133b8ce9c7bf0e

        SHA512

        d72217b1aa0b4f774bf4b972e5428075b749c9c6f2d771f2cc758a1390dd27bf5450c31920432dfd5e20ec34be7cbfb4fd1150d1a990cd1f40a312cede01a75a

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

        Filesize

        344B

        MD5

        e7120146bbf8c5eded2a37c7c71ca9b2

        SHA1

        a6f385f4547183deeea78a4ecf6603b3ef88af0a

        SHA256

        e04d60c1bc56f60c97cff7cff4674f78208d1f3b470fcb647e830064084782a2

        SHA512

        6f4d769d281012070fc519c1777d1897b04307546abca5d6e2bb79ed36ba5288af3f55fda08a037bd1563663ef61469f645ac2c95bf40a41ddf1c15282059cf3

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

        Filesize

        344B

        MD5

        3cb41406519fe57bd0f08598d627f4d8

        SHA1

        763d4bf8921f592ae924467a3ca03bf1f5824c21

        SHA256

        b7272f1370238ac2f557ebaaa6bdebd25043e719ed155df33a0649f8e466a8d2

        SHA512

        b419c96d4b330ecd3db1636adbe7d753ac4be7e0df5b0ccd234c09195100e2341c9c55e12ae72b49e5432c5d7f43dfee1aac45497f1f439070b4db25bdc79082

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

        Filesize

        344B

        MD5

        980e221bf8dc21fe83534208784d0825

        SHA1

        6c03fcbc62ccb29025abccab110b5e83356da36f

        SHA256

        0165d4c29e500f386a5b71439828075f6af79de5d519ee3209bd75690fe8eff1

        SHA512

        0d47004f49098c10f9e31eecdeef18226ea36c5a361c6465f64d1a779e0fc3451f9f07137c03a534aa581518c9a9f3212110a7c227d032bf57f59b6929bab0b9

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

        Filesize

        344B

        MD5

        48b49368b85decaf0a64b13ce699e1f7

        SHA1

        b863eb9d141773fca42a16d0a3318228b0ee7839

        SHA256

        0ab453ec6917b1d4e5cfc6efd9d8ca7b0b6bc7d2f74bb891ec93866d8ed87250

        SHA512

        0044dbaafad4b751b7ce8cdec773091ba23a78b568da7ab7984ce034a2c62097967b306565c5004077c547e2cc82b64084e91d5e8e606c4e50bf3fbea9c20027

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

        Filesize

        344B

        MD5

        dfba81489af56005423979803d8882f5

        SHA1

        ffa85b475de0469b37652a13cb55e5c86d8a5d90

        SHA256

        abe7241745ecc34c53460cee77540bcde61c5ce1a379d4b970de90742b386f68

        SHA512

        f8a3f552804f33f8aa35fefc82843cb1461f8891c257aeb921ca0d2dad484a4a97415375e640c665ec69c4ec53f8a965af33bbdf81ac4c950fda76e4c63d169e

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

        Filesize

        344B

        MD5

        a9e83295a01b4b280851f96eeb8c2931

        SHA1

        680c122cd765f9da4c65ec9614245b1c66c1cdff

        SHA256

        8127aac7b2a28c1d3932af9eca42101714815985dbb2fafa8ec5de8677873fb3

        SHA512

        a7bb0bbfbcd4ab58ca5312e6929028f8b03b3d36a15b117fc1750af6195fec27bcd423183fabe00a56bc934470133eedec7f9bee2c1715c7b1e6245f3c9886d1

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

        Filesize

        344B

        MD5

        8140c3ef428a7e7ffc8cbe5366d27dfa

        SHA1

        92312f6096d0f653c9b15744ad787c77db39aba9

        SHA256

        39777b431a93692e79f4e8b30cb42b2724050825b3052cfaea2d0f446b3a426d

        SHA512

        65c6fdbe21d8541fbb5cba20303704e9fbca22ceb647b1247d6033e23aa43dd384c0782de94ae78f6c668fc3885a14663b2d4b9770609a98627f5a2ab98a6093

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

        Filesize

        344B

        MD5

        b83a165b8ee63103c8efa4a3e51cd387

        SHA1

        72a0a2cffe3f5284c349ad913c1738b7250387d4

        SHA256

        fc18fb2ef137ad1770bb72a89d7b7d9db781e47d6a212e6c9081535c595c4c26

        SHA512

        b04d58988fd8f9eeec3403b8b09a330e0aa698698d69351c8b68421df277ab74e613f58486fe950801d1088b4fa2917af15936de75ca472ea78acd42df42947d

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

        Filesize

        344B

        MD5

        4fd88bfc531daea10cab5930a5bf3856

        SHA1

        3a6ad0c5d617e205483598191a96357fc719d80a

        SHA256

        9dceb7b6672669021469508446ab61b32f4d23d6ed00ec880635a0aa5cc78b1e

        SHA512

        60978d0d4cfdfafafa4ca0b878b532bb257827590351beb2a1260b3ab3aed5bc757fae615cd0f765d21b54d1435ee3ebd956733d79cb20bbace77b2613a8e86c

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

        Filesize

        344B

        MD5

        b35da8883df52099b2d2abd74352ba12

        SHA1

        58af2248fcb31d5b650a1aacc1360e978421850e

        SHA256

        a0a4d22bebef3ab5c870db671c514edfda153c32ec89108f58d11f0ffe50b25d

        SHA512

        5a76a7947632492ee47b10a4dbbcf38868331a1a9f75fa1cee12afab96a4775bd0009c2bc7b8abf5b951bcc65e76f810f074690bdd7ac1436af48ffe52b6e018

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

        Filesize

        344B

        MD5

        712c42314b2a1330ecb6e7cc94eb6876

        SHA1

        e69b679cc796e88b3b0df7817a70071613840085

        SHA256

        370d6f345b318cd2c2f78c918e660af596576b22e363e82063982738d0529467

        SHA512

        354a6d8e97d4d127ccc9b3ab615810131ebafbe02437262f479eabb5e07f30f62994bd7be5b9bf3949e9f7e3400850b9289f79fc48eaaaac20f56d5e7effb482

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

        Filesize

        344B

        MD5

        271bd93548c060d97cb03886f64da355

        SHA1

        b1c8bd6e24e15f262dd5fbe4e40f336b5c1d3ac6

        SHA256

        a369a5c84bb891ddf708e88f46e12da543f4564422aa16d8fc8f4a57ade5263f

        SHA512

        af6e22b0476a2e16acc1acd3f0ae9ca56dae71f093846767be00b901d5a44d04c4b649829521307a59750e04f38a3580ec05b7824cc332da80199d1a5cbc978f

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

        Filesize

        344B

        MD5

        0682b439996f47ed1dcda761010b4b22

        SHA1

        9a3184ba94c1a9056f7e3c0bbe613299cae00fee

        SHA256

        baf7399cc38e271814b37c62f8261ceff1ad369e8705ab35e47863969d4eaa80

        SHA512

        9a37044e9e9c603f586555e48b2f18b8e952c3a6e7aaf6a3683f85a783d637f0070416d2c408f4e8da3b5cf74eada4d3b1a6880a568878fe67f1f5134306d82b

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

        Filesize

        344B

        MD5

        11998be4be6498aed2ef4a3f0d2207e9

        SHA1

        fe30f9da5a017542f318ae72d7debbed852bacc9

        SHA256

        7707041072300f28e7ff06d63e55b0e90ab59ff77442617446e991cabe852204

        SHA512

        ac050dd23f2df87581f02250adc1422a973160d5f55cefd752dd1c83dd142ee8d6642cb4ab58e3a91374337ed273a8f24126b8e326a9722fa75ff5afd7c470ce

      • C:\Users\Admin\AppData\Local\Temp\Tar4255.tmp

        Filesize

        177KB

        MD5

        435a9ac180383f9fa094131b173a2f7b

        SHA1

        76944ea657a9db94f9a4bef38f88c46ed4166983

        SHA256

        67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

        SHA512

        1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a