Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    07-06-2024 06:23

General

  • Target

    2024-06-07_1c774f341de9890d7bfb7da0e723cc3a_ryuk.exe

  • Size

    11.3MB

  • MD5

    1c774f341de9890d7bfb7da0e723cc3a

  • SHA1

    54ce3b14b5dbf966d98bd2b874c184f06a013327

  • SHA256

    608fe438cba1089b96fe0eba14f476f9d1fc5e4cd0d6d90c0d6d5bed7cfa8886

  • SHA512

    30e75d41c38afaa6f822789ebaf57b174211ec5339113c19cbfcb276ca1c9b97c40bce5fff43c27f5753804708ccf5e3afce76f915f1d396f495ddb8b073e983

  • SSDEEP

    196608:0c3fyrODpFC4g0AVIGvB8ZJ9BIBxIFoufm48RmU/3ZlsPvmuPin58CNUHsjfUsQe:lbLgtIG4YXIfutN3ZWLKnqv

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 21 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-07_1c774f341de9890d7bfb7da0e723cc3a_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-07_1c774f341de9890d7bfb7da0e723cc3a_ryuk.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\2024-06-07_1c774f341de9890d7bfb7da0e723cc3a_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-06-07_1c774f341de9890d7bfb7da0e723cc3a_ryuk.exe"
      2⤵
      • Loads dropped DLL
      PID:1844

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI16642\NitroGenerator.exe.manifest

    Filesize

    1KB

    MD5

    5580bc72be4a4478e4a5cba81138bca8

    SHA1

    5e9db4a1c954ed95f776c311677c90c7c89211f9

    SHA256

    33740164fd187bfeb95a4951badfd43c6eef8e363de4f6c6337469475e8276c3

    SHA512

    b703a5810737bc00ccf5fb7b106eedc391192153440e74e14fc94dd6920dc294294708f022741b66307aed03e7d0fcce7b639df92159224a99896ee5f0aa7068

  • C:\Users\Admin\AppData\Local\Temp\_MEI16642\VCRUNTIME140.dll

    Filesize

    98KB

    MD5

    6ba0dbcd2db8f44243799c891dbd2a59

    SHA1

    30a2719d4b8667fd237bcfb781660901c993d9fc

    SHA256

    263988a0868053b6b01835cd2959c8f71e3f943610421b269da646f2d9e3b333

    SHA512

    94dea85ef50d55cec0d1bbae4671386ce8ca02e870ce417abfef0a8499fdf0bd0eb5ba38debd07c213f7da39cbea63a18143484b05e9c7ca36b2f68e4520bb4d

  • C:\Users\Admin\AppData\Local\Temp\_MEI16642\_asyncio.pyd

    Filesize

    62KB

    MD5

    efb12f5663a8924b50eab1ea31084f7f

    SHA1

    c35c635bc566d1180bfa3885aa6a482f3d8724b9

    SHA256

    75d2d17cf03cf3a4aa9f51c5d71e8a8edc54e5437a5286f30d36f7182bc85e00

    SHA512

    11ed3c94a545ebc16e615d27329e249906448a748a931ea4b7881cce43ecd36bdedf47a473b27f2e6363f64e366fc65aa078507dfeee8487b7e545e3804b9e0d

  • C:\Users\Admin\AppData\Local\Temp\_MEI16642\_hashlib.pyd

    Filesize

    45KB

    MD5

    178b3a8bddd3bc0e832efe59c8045e4c

    SHA1

    cc3a48a2945f251c5f9ddc7011011b8563352978

    SHA256

    1e12f3528c9a33111fd6589b323b5e022d020b461ee65b0a97bd628d53217f2a

    SHA512

    e7ce152f3c0afdf00651cdb1173a32da837a00f988a285a71c16289a7acaeb80048e7650a30fe5d5604dfcb4c8199edce8d5eb9f9ff974779a542498a1bdd7ee

  • C:\Users\Admin\AppData\Local\Temp\_MEI16642\_queue.pyd

    Filesize

    27KB

    MD5

    1711e365021dae47498f552c1d000d49

    SHA1

    c0512da577c85c2c1b5822761baf535a7ed3dc2c

    SHA256

    2b4b4b0b1ea2c6ce8e33c3896e73af029962ffa1a5c7ddb2d0152991214a84b1

    SHA512

    065a2a94af1079f5e0cfa4807e026c9deb28cf559779e0527ed31b541814280b907094659906fc3ffd3520437c5a37bc0225937abc08b9aac18e3b5215bd5f29

  • C:\Users\Admin\AppData\Local\Temp\_MEI16642\base_library.zip

    Filesize

    761KB

    MD5

    d47405d403a1f1698f047c20608f7eef

    SHA1

    f9f8d3d38621dcf644dc4caf7ed06cdd435f0066

    SHA256

    37501c7a7b79860d6119acf22930fc01aaf95331300844f45270ee2abf141a23

    SHA512

    e7d470c5c7356941871f5c6ec80d5cc1d59100ddfb3719303d487a94936078f73189aae38df560adb4e663708a0c29539715f9c1db2b4a146cb281d69c5bc6db

  • C:\Users\Admin\AppData\Local\Temp\_MEI16642\certifi\cacert.pem

    Filesize

    275KB

    MD5

    c760591283d5a4a987ad646b35de3717

    SHA1

    5d10cbd25ac1c7ced5bfb3d6f185fa150f6ea134

    SHA256

    1a14f6e1fd11efff72e1863f8645f090eec1b616614460c210c3b7e3c13d4b5e

    SHA512

    c192ae381008eaf180782e6e40cd51834e0233e98942bd071768308e179f58f3530e6e883f245a2630c86923dbeb68b624c5ec2167040d749813fedc37a6d1e6

  • C:\Users\Admin\AppData\Local\Temp\_MEI16642\libcrypto-1_1.dll

    Filesize

    3.3MB

    MD5

    4929f390f3b9132af172d38b22bd2a2b

    SHA1

    19d27dc93c402801b8cb582b3aa27b17d24403d3

    SHA256

    4c1cbe61f562459baf382d3153b4bfc8a651bfc4ab41c99b3c8c29e19de7fde0

    SHA512

    2c7f3dfaba9e2844bcfddd3b05897f97ef043cc1cd5576ec0442eb26c9740c4df69a707e28bf5c6a0796e27e8de77ea430626ec822d74e054d081d32aaae7d93

  • C:\Users\Admin\AppData\Local\Temp\_MEI16642\libssl-1_1.dll

    Filesize

    678KB

    MD5

    facfcc9c58fe4238c847907689ddf485

    SHA1

    8382d1666627cd47855bc687615a9cc38eef7361

    SHA256

    d89a9009e10a2cb2d49771e694cd88f33d69cff0d3c92bc2d8e0b512e0ef9546

    SHA512

    f5d5f3e59438d6af1bcd22d85982107cc5eaea52c62243d11464a01f37172cb0aed343de68652882234349f1e0671b976fd5b6e77a532a9fa3cda7a0f77718c5

  • C:\Users\Admin\AppData\Local\Temp\_MEI16642\python38.dll

    Filesize

    4.0MB

    MD5

    c0ed63bf515d04803906e1b703e9cb86

    SHA1

    61f9a465d7a782aedfd5e2b1a9dc8bff6c103b5a

    SHA256

    24bfc999a733d4759ca40425610555f597b1d015f87ef5f84e15c665297247a4

    SHA512

    78384c34cefc40cb86913dffdc6a360668467731a8a3678d5f8377d8ae63d244b45506b0b6e2498825b53abe8fd84d2b75b3e9fef3703fead90183ace433e70a

  • C:\Users\Admin\AppData\Local\Temp\_MEI16642\sqlite3.dll

    Filesize

    1.4MB

    MD5

    aa21b1b8d06846022de18164911ab2d8

    SHA1

    9091a9aec63adf8df3f820e584c8ffacf64ab8e8

    SHA256

    1357bab65b0362542bb99b5e1c9b2f76a644005331215b74bd723c2c81780c6e

    SHA512

    9c0eadf6645b1e4a266469cc32f962fecf667ee0828c21effad01fee0cc8a7f207a1b0716ab25710d0acc410cb24c0d0cd3b095bf5a25e0dc1d78ca6838c9a76

  • C:\Users\Admin\AppData\Local\Temp\_MEI16642\unicodedata.pyd

    Filesize

    1.0MB

    MD5

    eb9d4362b715f076eac021ddf7d792af

    SHA1

    67cbd1023cde7d75c13c79874e37226ee477230a

    SHA256

    4061c7fe871fc3b90baf4b540c60c61ac613ffdfcdf61f362a5e6aaa92057b47

    SHA512

    71202ffe8d8564b05875e7304b4024bfcdffe18fa122580968916f20923af740648638f75a66e5c7b0539503e5a26b4cc4fcd5ef779eb445952a4a68177a6fe8

  • C:\Users\Admin\AppData\Local\Temp\_MEI16642\websockets\speedups.cp38-win_amd64.pyd

    Filesize

    12KB

    MD5

    7837ec56827ebf9fac3d42b91c4cfe4b

    SHA1

    87c433d57ca9b5facb0baa8a0286862df406d497

    SHA256

    cbc8777b18b58d596a6675ff901721e40b2316604549a8f93f1b475ced224f97

    SHA512

    48ffffa0b2b22bb7975b9595faefc2c21f3297e9387da46c3f13eefd4c38778d997d25e98c9f24bbf31a2a1bf1b64d33449a1a846cdc67b7abd8d163d3907c71

  • \Users\Admin\AppData\Local\Temp\_MEI16642\_bz2.pyd

    Filesize

    84KB

    MD5

    6909da62abc73216883a89a60b66e73b

    SHA1

    015eb36344e5f3fe2df467bd47a04bded616b052

    SHA256

    4c22e0d2786dd7e93f55e1f4a1c27d2e141a55682ed2c09b90320817fcf011f9

    SHA512

    eddabb51b6092b3c3e3b6968ea831a262f8f5f8a26b1c95badc616ca236d0928aa789334835130ec40137ffc623b5d2031a585e890162b489a26fd990845b63a

  • \Users\Admin\AppData\Local\Temp\_MEI16642\_ctypes.pyd

    Filesize

    123KB

    MD5

    ffde1baacbe6729ad5246068870915a4

    SHA1

    2d42751140fc244f19dece6b1948b2b67d36bab4

    SHA256

    cc839990fb1020520731c35a183c83c9dc927aa78fa6b149a92a39e9d156c8b8

    SHA512

    1ac3ec986c55af37eb93d35a15e8a64726e5154240c0c5aac8286f7e347c678482ec65c62b454cf237023253642335ce6b3f6c0cc084e1527e61d48aaf7752f1

  • \Users\Admin\AppData\Local\Temp\_MEI16642\_lzma.pyd

    Filesize

    247KB

    MD5

    af8385e0cb374ae6caee59190175dd12

    SHA1

    a16d7d021ec3fa31fb1b2ce5929c2d3d4c96d6b8

    SHA256

    e414ee3efa6a4e1edf610dd780335ab9372cbe7919a73596bbb267b55ad23999

    SHA512

    3e4e26bbcf14ebcb4faedb8982c46b3f5318c88dd395c668c50e4f5ddbfe6c1836eb49e49e855cc95934e8247e63df0f7543f66e4fe13335558fc21c0c566b5b

  • \Users\Admin\AppData\Local\Temp\_MEI16642\_overlapped.pyd

    Filesize

    44KB

    MD5

    07a111f08b382f456da32873ffe12f15

    SHA1

    9cc2f4e49698020b0211d837c9d30adcef9f6e72

    SHA256

    600c131efcb237fa992de26a3b38e472b16f731c9f14fb25c7d730bab27960c3

    SHA512

    f432fc289d54d8cc581efab8f623929c8d5d8625aa25f9c76bf37f335e928b15121236a3e2724fedf6d7ac55988c63caa365df4a53901109ff6b59f9360654e9

  • \Users\Admin\AppData\Local\Temp\_MEI16642\_socket.pyd

    Filesize

    77KB

    MD5

    fc47a3b4dc7353591970a20678b90a81

    SHA1

    5ca5436e0c66f468bb48b5ea16c69125fcc34bea

    SHA256

    4e7ee0ecf839c42d96c53309384737e8f84bb5e90ecd20d511cc3fc6ec135f44

    SHA512

    8f52f33ce49bc38a9356d46c63aef4f8f05d491377f4969f52fd84f83712faed3d9637044d27583bf06fc52687667b630ba8d2eb8ee27f4a810520df5499b725

  • \Users\Admin\AppData\Local\Temp\_MEI16642\_sqlite3.pyd

    Filesize

    85KB

    MD5

    515d66f23287eeaf37215657ec2b5cc0

    SHA1

    9e949066922436d22d5642aa6299cdb37a21c6ac

    SHA256

    74fa8048922a3a723e0768e797b709f84ce3e55178152608bb829be1b57a6253

    SHA512

    7c72b0569ad3c9e26377310e5e88898cc60dc40533fea7e658442758511c730bf34a3cb0154e6490721099649ecb99dd93fb0378ee1d80185ec12a5bda30e343

  • \Users\Admin\AppData\Local\Temp\_MEI16642\_ssl.pyd

    Filesize

    150KB

    MD5

    bb726a022fa65d9db794e280372dbe3e

    SHA1

    c48e78b37e10a713380040d16145e0ef06050e8e

    SHA256

    87362816a16c45095ad9ac3dc174509b2a4dd794cd17f56cac356d11c992de12

    SHA512

    637b78e884b55e6819e64e1b8f57f8399099165b65bf5866f8d03adb1305655b4773096b80666f88c1ff65cdd0c74ee2e0bcfb3258456ddf04c47b597f4f4287

  • \Users\Admin\AppData\Local\Temp\_MEI16642\libffi-7.dll

    Filesize

    32KB

    MD5

    eef7981412be8ea459064d3090f4b3aa

    SHA1

    c60da4830ce27afc234b3c3014c583f7f0a5a925

    SHA256

    f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081

    SHA512

    dc9ff4202f74a13ca9949a123dff4c0223da969f49e9348feaf93da4470f7be82cfa1d392566eaaa836d77dde7193fed15a8395509f72a0e9f97c66c0a096016

  • \Users\Admin\AppData\Local\Temp\_MEI16642\multidict\_multidict.cp38-win_amd64.pyd

    Filesize

    43KB

    MD5

    4d07e807a855be02a94c292dc66cb379

    SHA1

    2d8d742a1179627f1fd702430c3ee106b72988aa

    SHA256

    6ccb02ca328a9df23d5f5c7ce58fbf7b9f84474c801230c6c42eab171ed83744

    SHA512

    1576744a545abc7158525ec0e0e7930a7ed14016ce4d3ea157261e6be204a5e490937387718fe9b444f0d5ccfff866cd3426c1481ec31e293f59928d097895d1

  • \Users\Admin\AppData\Local\Temp\_MEI16642\select.pyd

    Filesize

    26KB

    MD5

    f4887f1d906dc336fe0c3f7dbb720ca3

    SHA1

    67def676ad3569029d2a357a40a138fc7570bdcc

    SHA256

    36552bc64127d4866c657c9b74c0399baad70957a5380896fd8202e3a6bb7b4f

    SHA512

    51006d164c2512adfab92d22be5fed7c093cb647821045a6cdfd2ed7a30d94e620a446b8434b3e91d5544ef737e1492f3dc6c29cadbfdfa5e41df7fb5106a301

  • \Users\Admin\AppData\Local\Temp\_MEI16642\yarl\_quoting.cp38-win_amd64.pyd

    Filesize

    85KB

    MD5

    5e33750868576ed23f21b197dbfe4285

    SHA1

    fc73cc291d074ef73e350f972e99cfb40f5aaa41

    SHA256

    dab42f0d3a9807d5cc94d91a3976afae3d327390e25e604628b1906b1181a9d3

    SHA512

    2658d89c20fee4a1e70846bf1f6bdbe4836c412d7606b58b4e84bed244ed624ef8c26157313f9c82d2e008af8d28e6e8c044f28e037f2c1a18230795197712d7