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Analysis

  • max time kernel
    105s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/03/2025, 01:41

General

  • Target

    2025-03-17_a2bad9554b8b1dd8edcf8667f5dd242b_ryuk.exe

  • Size

    11.9MB

  • MD5

    a2bad9554b8b1dd8edcf8667f5dd242b

  • SHA1

    dd6d72a91166742262f11007b2c9270944ba785e

  • SHA256

    cf96ac124b9effbcb9d2b700e34a4f1db2d9695418a8441342670565289fb9dc

  • SHA512

    7907b8758f4180c3a36d4780c8bfd3eebe40d25c0bff6b0cd293943a0300c3275884a1d611f82a16d20ef66e334f7c4a573861ac55c5535e395b8a102f0eb2a0

  • SSDEEP

    196608:p0XOqTXrTaXPA4pzxw9BK+gpvDq9onJ5hrZER5xQ3jo4U648RmU/3ZlsPvt7+nfk:OTXafVxw9BKpbq9c5hlER5xA26tN3ZWC

Score
10/10

Malware Config

Signatures

  • DemonWare

    Ransomware first seen in mid-2020.

  • Demonware family
  • Loads dropped DLL 36 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-17_a2bad9554b8b1dd8edcf8667f5dd242b_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-17_a2bad9554b8b1dd8edcf8667f5dd242b_ryuk.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Users\Admin\AppData\Local\Temp\2025-03-17_a2bad9554b8b1dd8edcf8667f5dd242b_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-03-17_a2bad9554b8b1dd8edcf8667f5dd242b_ryuk.exe"
      2⤵
      • Loads dropped DLL
      PID:1312

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Cipher\_Salsa20.cp39-win_amd64.pyd

    Filesize

    15KB

    MD5

    4b2a7333c46b2b9ff31ea051adfbc3e3

    SHA1

    e70b24eef379174dd1448a224456bd23d029f2da

    SHA256

    32724cd93515e542b24887c714e825d16f38dfc6c762711f566bf65c816a374c

    SHA512

    23ae6237349446706c9e32f7422eb709ec0f37e4b65a9d039ec7a593adec42aa15abb4fdd7886dd7c410c9d2597eeb1966bf05b71ff59cd80ba2638132cdeb55

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Cipher\_raw_cbc.cp39-win_amd64.pyd

    Filesize

    13KB

    MD5

    f3685f2d6bafab5c239caea7dc7faf67

    SHA1

    25e90e2c4d2a28391d060b8b842a036afa980c61

    SHA256

    be805b0cc32419859fbf0fc06c00fb178e49b51d67add736dc43750495fe0d06

    SHA512

    a502ef565288d4ff14cbbf8ea58f501a15b9565f5d6087e8b4cc2515d23df2b61dea8698562b755051891485acc940be57710799ae0ae75c2bd969d81ff5ffe9

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Cipher\_raw_cfb.cp39-win_amd64.pyd

    Filesize

    14KB

    MD5

    16c56e3fb3c8b6792aa81fc27e3b3bac

    SHA1

    52c089d2e970728062d57f127e51638f657f2898

    SHA256

    cae7b092bf323d5fb9bd97faa8839f9df6e946fe5cc5bf651d04e22b320fd280

    SHA512

    be1f8152fe5fdb788e73ffddad19b670d50af44ae922d7703351c2677c1068b58c4be5952c95f6fd7a207d5e7433f65a3ee3d8196c5dc7a08f98912600177fb1

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Cipher\_raw_ctr.cp39-win_amd64.pyd

    Filesize

    14KB

    MD5

    5b0ae53ac88cdcc5a8c959b619421f2c

    SHA1

    13d6bfd61bdaf72b05b070c79e49f0c57d75b49c

    SHA256

    030ba5b4aafda597cc62c2f340a2b2cdc15280b1f08f52c27a6aca4e34ad3870

    SHA512

    ad8e6bde4eb75ed921432e8d10ca15b1a6d890875f65e9214694a204a987dbbdc99b669c984df2cc6349f18ccc7f812d573856eddb30d8aa7a3646c7857378ad

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Cipher\_raw_ecb.cp39-win_amd64.pyd

    Filesize

    11KB

    MD5

    f7d18c30f58bb64108955dcbdbd9e767

    SHA1

    f0678e2a89a18f7b9f777419e1544a2923787fa6

    SHA256

    ed33378b96f14afd0a181594fc6529c5fad386d62e156975151a2d3df3f3043e

    SHA512

    7d101bb7ed27b0ab39c159aa4052181f500ac0213d555afc0e3f43fd07cdb62bf95aeb77a124913623d40e7b052bec4842862063e4cbb1f690f2ad92908b9b6c

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Cipher\_raw_ofb.cp39-win_amd64.pyd

    Filesize

    12KB

    MD5

    3605b34ca8944fcf8e3f9195ee19a5be

    SHA1

    2f55c8a236d5c1894d120b3f1493bc1c71519bc7

    SHA256

    b7cfa8ff75d2717e1ac01f95fa30def3f50b0661c37326f8081d281881305c21

    SHA512

    bb45388ec0794e0ea3d1c35afb3ec7ccd29f2c07fd186669f26069fa2b938f7c7200dd94a6cd8d7bdd46ac26527991f75d14f4383ceefe5f4413af7574737897

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Hash\_BLAKE2s.cp39-win_amd64.pyd

    Filesize

    15KB

    MD5

    3b0dd732bf6058b1ed797fbb8e3bc9d1

    SHA1

    3f13a5e708b1b26f670cfc9aa5b3ecd84382abae

    SHA256

    7d1d5226be5f7e5a64be5c0334d1bc0654f95c4264a4ae188b1f6d3975f7f12d

    SHA512

    9121c1dfd4094a12ffae1e91069020cc3e8fb23197f3674cf14279200448c12bd6377dbf18479473e139ea22375b09058f052c2db716d59f90a832210d1a4754

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Hash\_MD5.cp39-win_amd64.pyd

    Filesize

    17KB

    MD5

    0824637de685a4bc801deddd2e519243

    SHA1

    046f08ad0751b5add4b7b74fbf0247979ddb8432

    SHA256

    3f56f08f3ceaec70cec7b45bd69c83999446ba0dfddc6636c05f0cde2fb9b1e6

    SHA512

    968dbd28dfe1d91e3a393a49f0baec2a5663925264cd253ae489e67b92d606c9787049481aee4c3370344f2ea46e9320de5c1ead828f71fae727f45d926d2cb9

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Hash\_SHA1.cp39-win_amd64.pyd

    Filesize

    19KB

    MD5

    99252cd54dac09c53ada74e50d6d14ef

    SHA1

    b6e06d8fcecac0f7b48deda17e02fc4874c4f3fc

    SHA256

    da5a46d672008f2da7e016d47e8d10b8d343e386f5a1ed534d9986b9dc3ab821

    SHA512

    da6207291d26f201acd2a26131de2846caa7d61f1a48618e8ccf7f3bdb05012bf70fb5bec69320505b5f00e07a4b2bdc6fefc2d00ed22bb6c500d16f270f90ee

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Hash\_SHA256.cp39-win_amd64.pyd

    Filesize

    22KB

    MD5

    9928250fbb57d753734ae34b41f6dc28

    SHA1

    674944db6d4bb0718ab6c5327f6896df01f78470

    SHA256

    2a1a9df342e7261425e7e83b674b32fc49918b970f147c728ca018cd9f3dffa5

    SHA512

    799184eab64a273dd4c5d76b780fd8a86bb535557957f360fe8d85254a52c14a461ee9f4fce14dd892faf12235150d8ecd8afebc38fae1222e128ee7b7ba96aa

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Hash\_ghash_clmul.cp39-win_amd64.pyd

    Filesize

    14KB

    MD5

    4dce36fbe7945cc481540ed01ca8a9ad

    SHA1

    a42ca12a1fd10fc4344e22ff0cf04636ed2cf079

    SHA256

    b2094f11fdb9ed8db33fe33e86a8c4ac96c56679fbef7a20a15fe63e505811b3

    SHA512

    38f2adc35dcbc3524e0cb31ae13b7ce324ec04b2f2b5bef748399110cc6025f123494204fe62ebca493d68da4807b6e803c14d6060ea1feda0cd2b5057d79188

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Hash\_ghash_portable.cp39-win_amd64.pyd

    Filesize

    13KB

    MD5

    f869255edd2c17f103d9330a3daf18d7

    SHA1

    f1d9e5fc4406685ce966a82c8b7ed33e3520fd95

    SHA256

    9dacae80d6127546f0ceb0a36bfcaf34ac1cdc12ab30bf6165df15997a91a7c8

    SHA512

    6194dcf030d5e87cdf6e1a8da0ed2304969279c6dbdecc73baf09ffa5fc65a449a68a233db987507846598c6d97f6acd6165f7a60ec42dcf980b69f830f1a0c8

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Protocol\_scrypt.cp39-win_amd64.pyd

    Filesize

    13KB

    MD5

    1509827b82033c9497af8b2ab5d2ebdd

    SHA1

    f8d7ea32b981274136e7bbacdd1b47984cfeb0a7

    SHA256

    20a9494be4478051f62c18e98bb726be67d2d74df00c66afa754cbebf009616f

    SHA512

    21c752339467b7478e29d1c4e6b0ec6534dcd5abdabc69189acd3898bef51b823b6a0ca25e9c18599f594e2c2dd0b8a0273f7355737345718f3820ab105a799f

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Util\_cpuid_c.cp39-win_amd64.pyd

    Filesize

    11KB

    MD5

    852d4fb59d01b9d1de79fe3d0f281c03

    SHA1

    e8a4f36abb041c1928b92fc57f51510a3bac86e3

    SHA256

    4aee6a9621fe296fd2608364d34bdada63a34f64606623e73466e5183e9b6f8e

    SHA512

    3f047f90240e54a6b7b289fa740bb02e8fa101fa5d85898b55365eadebc894994c374ccd5da24ff658c98ac740f060a396bc3882e78d2aa36ca3141e398ff207

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\Crypto\Util\_strxor.cp39-win_amd64.pyd

    Filesize

    11KB

    MD5

    138500067f9c2e9ff72a108e13b3e182

    SHA1

    0ffaa57ab0193eb3fdda315e32f41f8dd5c9c649

    SHA256

    c8da8ad5af56d5d5ba7d338ab23f5f78239229218a6ac2735564b5d08b2da3f3

    SHA512

    2887553b7358475795d8f7394e60321998355516065b46a436de4e488dbbf6b4104c45def6ad714bdd3105c3602838aab9306cb1742c02512c1056b53ad4fc33

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\PIL\_imaging.cp39-win_amd64.pyd

    Filesize

    2.5MB

    MD5

    4c4c592134096ab72192312149953b77

    SHA1

    0d7b8524e37648b8694766310cf29b7ee6894846

    SHA256

    c565c21a3a42752ca70a21747a9f96b46ee778ad5531c77535ea1d1be8998ac9

    SHA512

    6e73a990e11e55d9699284ae5fa7fc63dfb1ca189511967cb9b2d73b9779a9a3454ba2abcea75bb64b4193e1a2a736753a52e2b5b54c7c115d1fbecc8d8b363b

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\VCRUNTIME140.dll

    Filesize

    91KB

    MD5

    7942be5474a095f673582997ae3054f1

    SHA1

    e982f6ebc74d31153ba9738741a7eec03a9fa5e8

    SHA256

    8ee6b49830436ff3bec9ba89213395427b5535813930489f118721fd3d2d942c

    SHA512

    49fbc9d441362b65a8d78b73d4fdcf988f22d38a35a36a233fcd54e99e95e29b804be7eabe2b174188c7860ebb34f701e13ed216f954886a285bed7127619039

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\_bz2.pyd

    Filesize

    84KB

    MD5

    499462206034b6ab7d18cc208a5b67e3

    SHA1

    1cd350a9f5d048d337475e66dcc0b9fab6aebf78

    SHA256

    6c2bbed242c399c4bc9b33268afe538cf1dea494c75c8d0db786030a0dcc4b7e

    SHA512

    17a1191f1d5ca00562b80eff2363b22869f7606a2a17f2f0b361d9b36b6e88cb43814255a5bac49d044ea7046b872bac63bd524f9442c9839ab80a54d96f1e6b

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\_ctypes.pyd

    Filesize

    123KB

    MD5

    b74f6285a790ffd7e9ec26e3ab4ca8df

    SHA1

    7e023c1e4f12e8e577e46da756657fd2db80b5e8

    SHA256

    c1e3e9548243ca523f1941990477723f57a1052965fccc8f10c2cfae414a6b8a

    SHA512

    3a700638959cbd88e8a36291af954c7ccf00f6101287fc8bd3221ee31bd91b7bd1830c7847d8c2f4f07c94bc233be32a466b915283d3d2c66abed2c70570c299

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\_elementtree.pyd

    Filesize

    173KB

    MD5

    087351dd1e9508a29633e03dbdc7d2ae

    SHA1

    284a7662e548ea9179906bc4ae013d04d4f5d09c

    SHA256

    a048bae40ececd2d56a79216c8552e3a3e6f9c4bfa1f6fb1c4987b954b80bcb1

    SHA512

    cf3e9b146ef20c0c50ef07650cc13c4b9f70632dcff9783df761d2a8b6e0e0f25f78a290db3b6150bbc83684ecb000bc8bb2d7b7fe283d40822b7d09a605228f

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\_hashlib.pyd

    Filesize

    64KB

    MD5

    60f420a9a606e2c95168d25d2c1ac12e

    SHA1

    1e77cf7de26ed75208d31751fe61da5eddbbaf12

    SHA256

    8aa7abe0a92a89adf821e4eb783ad254a19858e62d99f80eb5872d81e8b3541c

    SHA512

    aaf768176cf034004a6d13370b11f0e4bbf86b9b76de7fa06d0939e98915607d504e076ad8adb1a0ebfb6fd021c51764a772f8af6af7f6d15b0d376448aba1a7

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\_lzma.pyd

    Filesize

    158KB

    MD5

    bc118fb4e14de484452bb1be413c082a

    SHA1

    25d09b7fbc2452457bcf7025c3498947bc96c2d1

    SHA256

    ac0ceb8e6b5e67525b136b5ce97500fe4f152061b1bf2783f127eff557b248a3

    SHA512

    68a24d137b8641cd474180971142511d8708738096d865a73fb928315dd9edf46c4ebf97d596f4a9e207ec81828e5db7e90c7b8b00d5f416737ba8bffc2887bf

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\_socket.pyd

    Filesize

    78KB

    MD5

    0df2287791c20a764e6641029a882f09

    SHA1

    8a0aeb4b4d8410d837469339244997c745c9640c

    SHA256

    09ab789238120df329956278f68a683210692c9bcccb8cd548c771e7f9711869

    SHA512

    60c24e38ba5d87f9456157e3f4501f4ffabce263105ff07aa611b2f35c3269ade458dbf857633c73c65660e0c37aee884b1c844b51a05ced6aed0c5d500006de

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\_tkinter.pyd

    Filesize

    63KB

    MD5

    426a61990ded0d75ec892b475888caa3

    SHA1

    a382595a3481949ecd9d88683f585b1d95d285e4

    SHA256

    7b42c10c651931b8984e4797fc713656bcce4db420197881f9d9946daad0cf6a

    SHA512

    eb23ae788178f9a26a2254db79abe8ddb8a12ba8b188a473a59eaa7574883452b79e2dee792598d8f3f03893448d7edcdc9b22c2b5f728a4a7a71380877000ad

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\base_library.zip

    Filesize

    768KB

    MD5

    bcd1c1a37e68122a007b893969753b62

    SHA1

    d32f0afc9e6c4240cc283b7ddf0a7c7f06e6cd04

    SHA256

    3eb6a5c3c6f8791e059405272aa34d9115f03fc38408239f06996ead149cee90

    SHA512

    bc417843a07ce33d244c3c9bd6a6baef3a79cdfa7cb230e8333cd65f46d6114499d063e30ed015e0d56634c0ef39bba5d6e8bf8c4943749e226441a2243e6c74

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\libcrypto-1_1.dll

    Filesize

    3.2MB

    MD5

    cc4cbf715966cdcad95a1e6c95592b3d

    SHA1

    d5873fea9c084bcc753d1c93b2d0716257bea7c3

    SHA256

    594303e2ce6a4a02439054c84592791bf4ab0b7c12e9bbdb4b040e27251521f1

    SHA512

    3b5af9fbbc915d172648c2b0b513b5d2151f940ccf54c23148cd303e6660395f180981b148202bef76f5209acc53b8953b1cb067546f90389a6aa300c1fbe477

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\libffi-7.dll

    Filesize

    32KB

    MD5

    eef7981412be8ea459064d3090f4b3aa

    SHA1

    c60da4830ce27afc234b3c3014c583f7f0a5a925

    SHA256

    f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081

    SHA512

    dc9ff4202f74a13ca9949a123dff4c0223da969f49e9348feaf93da4470f7be82cfa1d392566eaaa836d77dde7193fed15a8395509f72a0e9f97c66c0a096016

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\payload.exe.manifest

    Filesize

    1KB

    MD5

    d67bc153fed4560ceb331087b13dae8c

    SHA1

    bb61d6806e3c5567a335acf38bd2912fa26825aa

    SHA256

    0c66d699d5c7490715774dab9b1a9631dfc47233c35ac952ef58fe9e59105a6a

    SHA512

    dbb67444d9becbdfb6650bea64aa4f2641b66188a690faa4535359faefd25291fd3646a05c87536446af239a8dfdbcc8f453b1b398697bc4dcdb517955e2cb7e

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\pyexpat.pyd

    Filesize

    185KB

    MD5

    ed82c3f14a839092d2d9d27092a19640

    SHA1

    41ffcd82998b003c1e83961c329379d3512c863f

    SHA256

    2d59ddb10d0fa2516da1e879d2b3f180272160a4325f705d4e71ed21b90438b8

    SHA512

    1b25165bda699c8e1a37e022d3412a4a6e780c1f93b2880aa67902811b0971fee0b100ad561271d23c4b7dc36eae6ee5af40b19481df75285db35d15c0904bf9

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\python39.dll

    Filesize

    4.2MB

    MD5

    c4b75218b11808db4a04255574b2eb33

    SHA1

    f4a3497fb6972037fb271cfdc5b404a4b28ccf07

    SHA256

    53f27444e1e18cc39bdb733d19111e392769e428b518c0fc0839965b5a5727a2

    SHA512

    0b7ddbe6476cc230c7bdd96b5756dfb85ab769294461d1132f0411502521a2197c0f27c687df88a2cd1ab53332eaa30f17fa65f93dac3f5e56ed2b537232e69c

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\select.pyd

    Filesize

    27KB

    MD5

    a2a4cf664570944ccc691acf47076eeb

    SHA1

    918a953817fff228dbd0bdf784ed6510314f4dd9

    SHA256

    b26b6631d433af5d63b8e7cda221b578e7236c8b34b3cffcf7630f2e83fc8434

    SHA512

    d022da9e2606c5c3875c21ba8e1132ad8b830411d6ec9c4ddf8ebd33798c44a7e9fe64793b8efb72f3e220bb5ce1512769a0398ecc109f53f394ea47da7a8767

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\tcl86t.dll

    Filesize

    1.6MB

    MD5

    c0b23815701dbae2a359cb8adb9ae730

    SHA1

    5be6736b645ed12e97b9462b77e5a43482673d90

    SHA256

    f650d6bc321bcda3fc3ac3dec3ac4e473fb0b7b68b6c948581bcfc54653e6768

    SHA512

    ed60384e95be8ea5930994db8527168f78573f8a277f8d21c089f0018cd3b9906da764ed6fcc1bd4efad009557645e206fbb4e5baef9ab4b2e3c8bb5c3b5d725

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\tcl\encoding\cp1252.enc

    Filesize

    1KB

    MD5

    5900f51fd8b5ff75e65594eb7dd50533

    SHA1

    2e21300e0bc8a847d0423671b08d3c65761ee172

    SHA256

    14df3ae30e81e7620be6bbb7a9e42083af1ae04d94cf1203565f8a3c0542ace0

    SHA512

    ea0455ff4cd5c0d4afb5e79b671565c2aede2857d534e1371f0c10c299c74cb4ad113d56025f58b8ae9e88e2862f0864a4836fed236f5730360b2223fde479dc

  • C:\Users\Admin\AppData\Local\Temp\_MEI16482\tk86t.dll

    Filesize

    1.4MB

    MD5

    fdc8a5d96f9576bd70aa1cadc2f21748

    SHA1

    bae145525a18ce7e5bc69c5f43c6044de7b6e004

    SHA256

    1a6d0871be2fa7153de22be008a20a5257b721657e6d4b24da8b1f940345d0d5

    SHA512

    816ada61c1fd941d10e6bb4350baa77f520e2476058249b269802be826bab294a9c18edc5d590f5ed6f8dafed502ab7ffb29db2f44292cb5bedf2f5fa609f49c