Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 01:52

General

  • Target

    2024-05-22_7dea6704c9dd3dac3865dc3f795d4f4e_ryuk.exe

  • Size

    8.9MB

  • MD5

    7dea6704c9dd3dac3865dc3f795d4f4e

  • SHA1

    3da49ebca015d812d0888739d72aa18b75c655e1

  • SHA256

    21f5ed1e7c5ed71584eed4dc505f1d83234a01395687123676a055c45cfe91bd

  • SHA512

    059d2ce34c99e841721bffa55d226aa97fffde4066e0d89b274a79d6f48bad38c5be51fd94f7530ee078e73cfcd194452a94cbd6aee87abf16986ad24564ff6e

  • SSDEEP

    196608:Z8n+RHarkpO1C1pLpJfsdrJTIkOLhfF8xr8pxmfErB/R/:eT31C1RpJUdJTIkaMSms/

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-22_7dea6704c9dd3dac3865dc3f795d4f4e_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-22_7dea6704c9dd3dac3865dc3f795d4f4e_ryuk.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Users\Admin\AppData\Local\Temp\2024-05-22_7dea6704c9dd3dac3865dc3f795d4f4e_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-05-22_7dea6704c9dd3dac3865dc3f795d4f4e_ryuk.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:1832

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\VCRUNTIME140.dll
    Filesize

    85KB

    MD5

    edf9d5c18111d82cf10ec99f6afa6b47

    SHA1

    d247f5b9d4d3061e3d421e0e623595aa40d9493c

    SHA256

    d89c7b863fc1ac3a179d45d5fe1b9fd35fb6fbd45171ca68d0d68ab1c1ad04fb

    SHA512

    bf017aa8275c5b6d064984a606c5d40852aa70047759468395fe520f7f68b5452befc3145efaa7c51f8ec3bf71d9e32dbd5633637f040d58ff9a4b6953bf1cbf

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\_ctypes.pyd
    Filesize

    128KB

    MD5

    0048255ea3e120c19def1329d9b1ea6c

    SHA1

    f9449147f9702dc552b92700a6a1fae49234afe0

    SHA256

    6535a1127e6267c3db2046d24bb350946236899d372b85357395be66cb67e701

    SHA512

    874e0d2958d47673bfade57288a6a305f0f82b7ae0fcff94cbc200a33c6205c05f3ffc8b4535aec6377818aece736f728ff7640be9a6974833af1b808559f07c

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\_hashlib.pyd
    Filesize

    1.6MB

    MD5

    1f1b16ce322a3579621eb2298021ae5d

    SHA1

    564cda201a32c8c45d201700327c9f445c31ceea

    SHA256

    a6fcba0c96ae6bd77ab3cf2e1f00123a7a078af8352e29748110e1cfa7e0645f

    SHA512

    a03a3818ded1f448c7c81c4b107decafc3ecf5635a6a6d3e98c2243311a0f567ce608eb68da808b8ed454a3b2a96c1b7467e14dd604fc3aaece43d5e93168a6d

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\_socket.pyd
    Filesize

    72KB

    MD5

    f9b7f6505519eb72e91c1e52dfcfab13

    SHA1

    b4864b5a25739bd5fa975ec6ed8b6830edf0e456

    SHA256

    f15138a255580ae8bf53a88bf7fb41d3d6c2c0099bc60659df8d79a4dfddc27d

    SHA512

    373cd0181a5ea5cfb6d96e112394111b0b9bfa2f41a0316453aa810a21950b72605c02999fd1e802ca3d4581e933fea781d69924e981c46d73ca66732b74d7a7

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\_tkinter.pyd
    Filesize

    66KB

    MD5

    1dc9ebaacb88edb1b7c63b07c6ddc883

    SHA1

    3543076a3e640fcaea44ee701eaaa6a9c266c19d

    SHA256

    82f90b4cf73feaeb8a7e75d59a115dffae732ef8012038a1caaf55944c1bba9a

    SHA512

    257beb199132a41228287b6a4c98c13686b7a9ab8702167f9e53a5166d414d8167113c484d0803e4dd9698ed35fd97accd8d2f0a02020ee1d05719ab757821d2

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-core-file-l1-2-0.dll
    Filesize

    18KB

    MD5

    63f88fa59f6ced6ec5bc50b5407b1fc2

    SHA1

    9806cd443812e7939c4d95e3c583c2785ea165b1

    SHA256

    a179666b529fc407fd16be148f5f221fd7774773e80a94d747091aca7d390da4

    SHA512

    bef016e0cccb71ab6efd357bbcc3e4f03fe8cb1392e022689aee2048afa3f20192dd2b1496d763cdea81264c644bd30cd40c7976d95ebf27882ed434b74e03e9

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-core-file-l2-1-0.dll
    Filesize

    18KB

    MD5

    5b99824d6509fe5b4f0dc09c3706e4b9

    SHA1

    d5b08505f9359be50f45449b7d46da42b00da7c7

    SHA256

    2771bf5156cdaf5dddc234254dc200064c2643ea2368807a965f5574153b4c08

    SHA512

    f5c604d95b056b71d801ac9b84d7127718cd9cfab8fffb7524c9c8a919e8a24e3b55d618931302c4be83560bc95871db6ecb9ec79fa254e235bee55d32036e67

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-core-localization-l1-2-0.dll
    Filesize

    20KB

    MD5

    5d32a3644d850032038b55546b6d6665

    SHA1

    faeeb777ce0af9716e0e534ba3846051e52e3ab6

    SHA256

    bc3972ea34c0df384e6b1196cdf88c805f7363949e7c92d5cf457fa5114d4512

    SHA512

    a14b10468159b67ff7af52f7c8248995d528341000718069734017a079278d0248d76b369dad8b1c20f0b4480ae55d9e5b48ded02a12a83a943def9a4cc3436d

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-core-processthreads-l1-1-1.dll
    Filesize

    18KB

    MD5

    d4148c6bc8c9881eedfb64c87375f629

    SHA1

    485d36a00bdeb09dfc3cb87ed239b0f750d68f16

    SHA256

    6a8ac79a755982c408b86ac6876d0f861c96ad7b3ce203b8951d7d278b113f20

    SHA512

    67e75d666f9ec431049e01a883a9e96472b5489929d9a81fff7d1c8518b3980eb9a85c5f510c9daa2bd38e937cad307afbfa11d904b1c554444fd5b174d52a7b

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-core-timezone-l1-1-0.dll
    Filesize

    18KB

    MD5

    75ab723020ac262b6b5669b9be0239c4

    SHA1

    fa6672eb6ca5f2ba3cd1764a98e1c8875d307866

    SHA256

    af9bb3ff8b02b16a5ad1897db329bb934d07dc081984044373f2d1ac03532907

    SHA512

    83b7ccb5c5f550178e72741fa4cdfea55b4c55fd0fca3947618089871872b824cf0e59da12ab342559e3a34d86d98d855064b651a3168c1cfc583d5d4a47308f

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-crt-conio-l1-1-0.dll
    Filesize

    19KB

    MD5

    e92cfdb8c9c51a6c71c5c54806523e90

    SHA1

    ebdb0e58d63a1d7be71fad242ffb7720ae0e4fd3

    SHA256

    a808e1f0f9c07ed2f8a79e3fedf5d38f609f7d0133bf389297792bbdadab4ad9

    SHA512

    2f1dfb3f1d7116a1600d646daeb16cfcc3fb316d7ca1cd2a2f43c9a75778fc794a972b7c7a51cad7ace0ed0a4596b0cbc89438f2fd509307703e718aabed4f38

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-crt-convert-l1-1-0.dll
    Filesize

    22KB

    MD5

    ed15ef84534e2fa66367e6c4c9cb7cc9

    SHA1

    aec86397eec95ee4e9f79242b4463a24e41d2059

    SHA256

    a1393aeb73c32caa5052a76897558b5475c1f396c5476387ba8d7bf3f471bd21

    SHA512

    e3196e418205eec8e2b2f735437f92b3e563c753fedba99e8944a7e020cca97ed8de5226933d367f60bdbaf4a01dba9d033b92aa1c0a5724eb44dcc76140061d

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-crt-environment-l1-1-0.dll
    Filesize

    18KB

    MD5

    bbe2aefb77c6b261bac6b26e512a6e7d

    SHA1

    18a50ffd595499643d443b983d17f76ef5908d35

    SHA256

    5efa4dfbb7da525ee1da0f011913b8846cca53ac7cd23986e5170957e05dc277

    SHA512

    2fa82403df54e4088c89f3b5df90d91dab968616a7c75f99d4b63d708659999651ff66ca8a4dec6452a0126830c6ac90666e93acda7062e6643510aab65801bd

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-crt-filesystem-l1-1-0.dll
    Filesize

    20KB

    MD5

    17a90b88c1b5de0ba44b545decb82a6e

    SHA1

    1977ffc8229b6595a3fad639b4f51700e462da65

    SHA256

    9e997705299430dbb57b202d81d5719ef9d5270ade741f1bbf2e2ad40aea087c

    SHA512

    0e40be7a8ef7f9fd80ee3c9803bec5ab4180bb8a7d752943963888d5a4554c5689af5cefeb329d67b0912587f98f5d3761dd73c71babfb2dcfc4b57494a35846

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-crt-heap-l1-1-0.dll
    Filesize

    19KB

    MD5

    04936cba5f2d9ba40c3e266824c231e5

    SHA1

    76ffd8c1e2ddfa165e653b86aba7737e0c57e8a8

    SHA256

    3f93421fc454937c6f35f48818d72b8e39dba5d0fbc532dc83dca55f3d203977

    SHA512

    9f6a69a90a6a4d572f43500f1942b49432f4f9544afc1a2fa998f8c0a714bec87d87c6fa69a5d21385e8e06c3541ada3b79f0b8b1806035b5e1338f9ed40238d

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-crt-locale-l1-1-0.dll
    Filesize

    18KB

    MD5

    35e02a5275ed2f085378cb8176084b2b

    SHA1

    585c458870b919d700675e215005154852465ca0

    SHA256

    ec9c2a143354de7813cec1e28dc3d8e2ca2be86731dc8585fa8f8afdc2bc888e

    SHA512

    7d297ba6e3c73fcad574f154b90e2f408c55e8b216e193736753ef681baf2cb807f0bc61419e1d78b44332071cc06fa1d4cbf2b41dc94ba2f199b4fcadc27df4

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-crt-math-l1-1-0.dll
    Filesize

    27KB

    MD5

    cb35f30dd6a029b01062ba83519669b7

    SHA1

    c48a8690dca1fa879ff755d462b0932877d81269

    SHA256

    ef00bce29046e7a8fc02c457eb7f3f3d6a5a8b8fce82458d9880f0306b573ebf

    SHA512

    98735c93298953d6a9e00f7401a59c05982431f425ddeb0edb830e98b81fafba80fb6978cafcf1c134aa3b9f018bc7eb04b3f67d83ee298cc8bfdf5a7a1eceaf

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-crt-process-l1-1-0.dll
    Filesize

    19KB

    MD5

    e6994ee954ad1f87ac692276d5d88b49

    SHA1

    7d7f71ce40b8d9a2da42fbb541118eb7df42744d

    SHA256

    a8a5b4a98c97c86b03d450fca7425da03e60e6a07fbc1ff95f8e49c74de69b13

    SHA512

    51ed50386a6a1938a37784aca93eb7dd63e7cb664ee48c8e1b6fe006003c3962fadb7d7e7073d23315025d25fad704f8d17ba5c65228474b5e4068e89ee0ad5e

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-crt-runtime-l1-1-0.dll
    Filesize

    22KB

    MD5

    a195ec3ec8a4b1338533d1f492f83ba8

    SHA1

    d0c50ce07aad05131a660e2656fb081705ec1eb6

    SHA256

    c2f1173a9f345edb990b99d59af4db54c66ab3769215c2ad7c1b51cb26586c0f

    SHA512

    1d222fe1b30821c6d0da1bb4a2999b1c7517bec5c8a9eb1dca0c9db73e3e42f9e60f630b9ea47e13249c35a8ef2deb6143bb5b1f90ba015d05b67c2dd8387780

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-crt-stdio-l1-1-0.dll
    Filesize

    24KB

    MD5

    4d91df0a5080be0b5a041aaca7010d73

    SHA1

    fa202c72fcec9abdfac4bfd099f8bac9f32ef462

    SHA256

    61c050402388f3edda6aff3388ad0952b79a8afb8f739da3426b86939ba3d784

    SHA512

    575ee7b6374a2f4ce5d1c015c01acbccdfd06561c33587d871de87abb328a406a02b361bab7a886bfa9c37b69673aa200b9b88e45bb505bcf9136b9da1303411

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-crt-string-l1-1-0.dll
    Filesize

    24KB

    MD5

    c0e1da84e6ed196820a06ddc0f773edb

    SHA1

    1c41607d7b4dd121775892beac4d9c4f7c22ad5d

    SHA256

    ddbac73c9505645e7526e60b4aaa81296b4e8efd34aa9e81b7590f52f8adaf90

    SHA512

    cc3768f3c0c37288b19f791a02b23a6fd3502fddfefabbb2dc8348bdc816f00173091a161e950dec1a057be53c12d6cd3fd394ba466c225df09cf3cdcf40412f

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-crt-time-l1-1-0.dll
    Filesize

    20KB

    MD5

    47a1f3d4f55113376e2eed5305447e74

    SHA1

    6914cf19b690a8ef469b4e99983f9436727cb1ef

    SHA256

    0b9418bc7ceed49a75799a0808f16252e151106fbe98dfda44bad079dbc1887e

    SHA512

    d5b9e1f50228af63fa1f7e830410306e8d3ad2691efc4f9f8631db401449a7cddd1c37b31564ee0b9a6f6375a91531f513cd3e6c769ec90443256198739e7e9e

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\api-ms-win-crt-utility-l1-1-0.dll
    Filesize

    18KB

    MD5

    0e856d6a4af9c791b3e84d07f65c44d2

    SHA1

    169cf553f8cb97e97c91bf6bbae4fecb9c48a2c9

    SHA256

    00ecc2c0c699ab8e528f47554dd393f56e5f07b538007f6d499fa1a5b82b3421

    SHA512

    938a68fad79c2bb8d11c450f76bee551caf16524f5f444273ece15e9c411ead95360fbef119a24dee5a74a3f6cf8fc7ce8348f3626fb60dcf90cfaeecf5b4474

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\base_library.zip
    Filesize

    759KB

    MD5

    e9e8ca39792c6a432f7ea9a0a8be8cb4

    SHA1

    71350627d08b2eced2e47ad1654a6491c9564778

    SHA256

    e017bc31583cf97df903a4d32f400458fb4a8f7b1f027b917620e01ec27cc02e

    SHA512

    994c64248c8a7b2c48376b653e118903ed7c2eb9ebae8c5a8f0462b6919a00e15a2a0bffc3fd1b379f6ab3ba5451b540068e5007ae7037914327566299ad46f9

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\python36.dll
    Filesize

    3.4MB

    MD5

    fe983cda06dc52dacb19f2ec948b39d2

    SHA1

    74bdef7de87468e42c22e4bee7f9fc8bc528204a

    SHA256

    a082a2ab69ebf8f1bfabcd2387de47b95cb0f142d5ef39571e1f667131d64847

    SHA512

    1d01c3b722b36c2678c1368720b4eda1f9f57a258680757baa383b99d32466842b44ae6308aa7c6aebb9c94eb1135f7b855aad8e835ded31336cf01477987fd7

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\recorder_exe.exe.manifest
    Filesize

    1KB

    MD5

    b47e1a81ed93e6bb113d3b4a9a7a400b

    SHA1

    b738ebb163aa47746ed80bc6dd7e664f241c26fc

    SHA256

    cad002070906d58272833c6def1e3a4460c7cdfc16bb1b6318e3f878d49db9be

    SHA512

    e9f06361351d1ee744b429ac33d15a51aec6be4a1cdfe749eb272538eee790590f6a9e88865a6ae567949f95b7e62126b4ab04a7f4cc72c599b4ee878cc38383

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\select.pyd
    Filesize

    26KB

    MD5

    ae44043da4e5fcc10cde3b344b637030

    SHA1

    ae43632ee00780ab06edcec82dfc66c49a8d97b0

    SHA256

    e57b75ca4777b1c45f28da4609a757478b04956ef24360e2803ba6e9ffc034bf

    SHA512

    45f3426f250aa072fc816650f999feed77460cf132072b3e9b6ec794bcb973189d445d142435756d7faff2a809d7f6dc014d04123aac01cb27dfa02ffc2c320f

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\tcl86t.dll
    Filesize

    1.6MB

    MD5

    1567a296ec383b2724bf58e58c57f574

    SHA1

    743bbfacb67a6e6a455e9336a2e2f1ee677cbdb6

    SHA256

    5cfe2b849e3f78d8cc7b80f644e1b631dcddc6f97d5622ff75e1922de703babe

    SHA512

    6d3b2236b7b1bb597e9589a235df892e7814062471910af768b1fcda104020c2f86dd28978000de217dad32fded8c48b86976bcd4f8b35cd2ebab626ccec53c4

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\tcl\auto.tcl
    Filesize

    20KB

    MD5

    089c0fd2791281c125e5358f6e6a9ed2

    SHA1

    87760e9173a441ad0c4b77cb9e64355b50f1afcc

    SHA256

    4b69936a56e34c66d3c7fbe2f78d12ac4290e41e7fe8a50e9e481e05ba1f5a68

    SHA512

    a3663595710ab9818d3e6fc3efd05b2a9c88b2dd10d91efb5575b298c2f70272b8f5c2cc5bb97a1b9a39e399ba3ab01604a48526769c7e41f626c2e10d203e6a

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\tcl\encoding\cp1252.enc
    Filesize

    1KB

    MD5

    5900f51fd8b5ff75e65594eb7dd50533

    SHA1

    2e21300e0bc8a847d0423671b08d3c65761ee172

    SHA256

    14df3ae30e81e7620be6bbb7a9e42083af1ae04d94cf1203565f8a3c0542ace0

    SHA512

    ea0455ff4cd5c0d4afb5e79b671565c2aede2857d534e1371f0c10c299c74cb4ad113d56025f58b8ae9e88e2862f0864a4836fed236f5730360b2223fde479dc

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\tcl\init.tcl
    Filesize

    23KB

    MD5

    b6b6184baddf552f70108ba02e8b1c26

    SHA1

    f0be8e965c6ae50f1792e2014506f8bca18131fa

    SHA256

    1ba21068fb1cb364fe305066d6bb0924b26666fbf57a59ab337a2e13e74bb8a8

    SHA512

    f64b4d8d9757d40c44e98d5f276a0d40ed24ef05f41eb7a06c3ce436c26ae0d797acfc225fd9006c9c2557812e3f8ab852ce7640afb0046d4623ef866c0a2de7

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\tcl\tclIndex
    Filesize

    5KB

    MD5

    e127196e9174b429cc09c040158f6aab

    SHA1

    ff850f5d1bd8efc1a8cb765fe8221330f0c6c699

    SHA256

    abf7d9d1e86de931096c21820bfa4fd70db1f55005d2db4aa674d86200867806

    SHA512

    c4b98ebc65e25df41e6b9a93e16e608cf309fa0ae712578ee4974d84f7f33bcf2a6ed7626e88a343350e13da0c5c1a88e24a87fcbd44f7da5983bb3ef036a162

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\tk86t.dll
    Filesize

    1.9MB

    MD5

    11b6620c52c363c8c98c868ac8ceefb6

    SHA1

    489f618f7bd6576a0e8e743ff60cf2cc7b73da49

    SHA256

    48e3eb1eb8f485fd9555e5c4db8c2d73035a9375885d1c5897d0335d34f2b403

    SHA512

    3d8c427922b652092d790ec297ca49c2df216183ea9c66ea2ed00e0c5d3d8de1916092f4c489b1e8732288b89400596c6a19de4239e08dbd3fd489afa4365239

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\ucrtbase.dll
    Filesize

    969KB

    MD5

    60606071bf033275377fd66a2a7de09c

    SHA1

    2475cdfd25427be07b3662e99c185cc49df35c6e

    SHA256

    4eace6c996a2ed322bd43810db9fb64e20114682f4b71fcd4031215f803f5f47

    SHA512

    bf9fbe3d162388be71d866a818f0f583ffb479fa151e62125ff200d40902e6ab1e61822e85ca01c319a1304fd899390ecc7d9ba3b3b061eac84cd23d644b699e

  • C:\Users\Admin\AppData\Local\Temp\_MEI28962\unicodedata.pyd
    Filesize

    885KB

    MD5

    dc041214d8c2f6a32bdb81070b8287e9

    SHA1

    45255c88f81f34e1bfd312c300985f0025ecbaef

    SHA256

    9765ab2730546e7412937552adcd1421696fd049ee8110499f4b4f084515efb5

    SHA512

    7fb60ceef1696462345e597430ba6ec98f3382b3bfa1f6a22dc559d72d869420693963d3bdb095944ed6bbc19c2acb3eb462407d84d0bf3eed48cce948eae6b5