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02/08/2024, 18:55

240802-xkzn9a1bkg 3

Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02/08/2024, 18:55

General

  • Target

    Release/System.Runtime.CompilerServices.Unsafe.xml

  • Size

    20KB

  • MD5

    c782e92abbfc0531226f735c6ac56498

  • SHA1

    2586fdbeb6d1e11d4cecd5b3e8387a18c7b4d350

  • SHA256

    39c2d4a63a186d423e9c866f4d3e9a6acba0103398f20baf8b92a38744894215

  • SHA512

    a12b6807695c9c626de9602abc6df72bcc5e869a29c7111e956034f321436e7c50ea36ed5ec5b6f93a639ae0f7aea93953e91ae557bf423a749b036c7252a7b9

  • SSDEEP

    384:Y/uXukudyvmB0fmkcdZKyQe1EyriJriurs8rsF9vVwFaFDJOeOtOEKFzUxRkj1r:Y/ApEwmafmkcdZbQe1EyriJriurs8rsR

Score
3/10

Malware Config

Signatures

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\Release\System.Runtime.CompilerServices.Unsafe.xml"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe" -nohome
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2324
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2328
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2328 CREDAT:275457 /prefetch:2
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    342B

    MD5

    4d78773a27adf3c756f3667088f280e1

    SHA1

    fdd93d2058b44573c217235390b702da489bf0ae

    SHA256

    4e3981191fb840c642cded853338a49d7eb6285f1b148473ab70ee476352d3dc

    SHA512

    75ee93742ec4e4008903474a3156feaa446afa4f3244be5582cceccea0487ddfd4c2811dac6a922a93db04412efc045e3b810c72e70091cab39d3dab19ead8fe

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

    Filesize

    342B

    MD5

    5ce6945f9499a9cdf3bccc9bfa1002d1

    SHA1

    9ce28fde53ccbdee72d15bd149a15eb996b36819

    SHA256

    3b552e211d327c886218768bf374ad14f12dba234be2660bc788234b363f7a9c

    SHA512

    4109746c9d28d78f0773617bf8f1db64036f32a787082454f20a4d7208fdfbfc168a9e98afb001bf2b1d8b2b66a08919d7094fc290cd9e9005ff384e913d1379

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

    Filesize

    342B

    MD5

    e5631c65e927abc7a0e673a95eb82ca5

    SHA1

    5a64f0930709c4b89c12c3c0962218e878209184

    SHA256

    9fe26247051dcfa96e0e6d17e1eacd5a290fa91967228ebc0e29ecd791106d10

    SHA512

    7d02572c6dd394a389a8096da69c6a64869f24883da73060bfb403e12409859b536b37a13f7b25de7e7ac94ec5489b687f9ec1dea1dd9a9c58ba858369a63f09

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

    Filesize

    342B

    MD5

    4375e4b118ba459d9cf5d3f2e57afc99

    SHA1

    5227b01a2cbedaf024492657e0af044e16ff5219

    SHA256

    cb2ad25d8ff42bdc97aa5258e143a1e6db65da304941373802264332d7387bc6

    SHA512

    6dcb6cd40bf7e365d447a10ad599290c198fe8d49651fe43ca8a54d7a1c4cc5af2483f97cd289b3d9de38331244e1e6f674f2ff06048d371ae243dd612f88199

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

    Filesize

    342B

    MD5

    e4496e286124095ca5c2bd9be47bce13

    SHA1

    10451ce3010f1a965b7fa8590cc73d304eea298a

    SHA256

    9b3035bae31d675700519dcb1b9f84fea0d1980eecd71518124b4e1c3da8f546

    SHA512

    1c4b2e3663ddafd60b99e61ce5c5d7c9209de3eabf3d15238d2d0dd90a48124f1ffab6d6c8858c40f6d9a8651d974e7bbeae34306abf130022bbd67646f69feb

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

    Filesize

    342B

    MD5

    c133bd874fef7d331f2d02ceeb786d33

    SHA1

    3991ec0e10ce9e493f979a6a47a4874ab53edfa0

    SHA256

    21c37afb359355bf5df11fce4f99d64abc5cb34b4ff22dc30f41b6a2f1061364

    SHA512

    6f90038d2a4abede1249b04e1ea27a9357eb3b868a2ef1875a82dbd160be557cbf4363adafa383af95aa7e2e6097173a766856a449f7201363e381d303bd2cb6

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

    Filesize

    342B

    MD5

    5cff982105d826ad32d5f8250128850b

    SHA1

    c7bae039f929aabc38aa8ea69e0685db076cce9b

    SHA256

    8c2f84b21a3c5a6481cb3964f70188878f2b0a45ace6e6bccaac169c608dbc57

    SHA512

    5dd9ef49c793149422f716e0669b2e0e1541dc39651d13734ccdc8b707bff5d0e8d252a11aca300f6b3f65a8528213a9b9cd674585e4836888f5dc9c3b9ebf75

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

    Filesize

    342B

    MD5

    25be7cafb5d6248c6194847bfe8f1db5

    SHA1

    3ad8900a34f0370820e998ad65477353dddc7bf3

    SHA256

    2b818601f1d7237cd113fad262b630922ebce058292c12d2ab9bc3ac1f649ff3

    SHA512

    b0acb8cbf843d33277332392d331c203790737008591677913588b698789336b124f94aa321e1a9de122780cc6ceb4036da26e679fc811d7b9f563ea9542da54

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

    Filesize

    342B

    MD5

    692fb2b75436bdce4b9cbf3e3a0cf3af

    SHA1

    ad9bbb883bec6c34a9afbdd4e5131217540b31af

    SHA256

    39afa9e14b78f898b6b1d18b3b31858b0b7ade019ab0f070c6c07dedeaa3ad0d

    SHA512

    78ebb38d42ef52e1258ad4c6d67a7b25a15c6131662d28aaefe44ec5f0b40dd6786320fa5303c8e26d5677f768cea8bceb4162e905bd3bdeca22a8856becd312

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

    Filesize

    342B

    MD5

    988f35297a9b1011fbedc032fe41e6f7

    SHA1

    056d320345951ef58aa8b0e6591f72091f743a93

    SHA256

    59caf724e2887016959dd049050a5e72688d4624c95ed00f14837956409609a0

    SHA512

    b56c357745f79a730be4c37631890537863afc13be61f8d15abbd92dd72b699244f7582a168b74e0fbd5e2c8737ee5b3b7690de3d29e2aace5c4f0c72cf1a95d

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

    Filesize

    342B

    MD5

    40194c43a21c9ecf3a8eb90b1d1a1c48

    SHA1

    487dfeac98bd20b3a20f5cd5e730ee69c795faa5

    SHA256

    1d11f6e772866ce38849deb6ab70397810eaf3eb677c77d86eba66333404bf79

    SHA512

    413f080f7f5eb78aadd108150d28e40203dd27e0828e42a8767133e0aea90cf1f1c054bfc73ac5bf268a9b99d4aa854d62ec110b8a9b427702a3632b7fac6d95

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

    Filesize

    342B

    MD5

    59cf9cc4578ec59d96d10f1ec9b41a95

    SHA1

    05498e07ecd5f2217e6e640e14fb5031866913d2

    SHA256

    96ff1499369e29caf69aef1bc266693dd0b54f4e8f87ad26d59141eacd4d55fc

    SHA512

    6bc004774c103a0a8bc91a05ba742493d24e39f864f64baf0f360d39b270ff6f96bce7b0cde6cec427e735085bfc3d286607eb48d5ac580d65296f2332bc2167

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

    Filesize

    342B

    MD5

    813f9a8c1c6db1572a3642b2c229eb51

    SHA1

    cc6ac331bbf8910bc96609a3708476bc5eb17fe9

    SHA256

    73f3996a17b50f59ea16d8d62b56836fd44b0c2af283f95d2963c87277822bcb

    SHA512

    a07871196a810a157790260074669c652e95e79c2b3e5041dfa51695ade2aef341c4921cc0d06da87b8f2a3daeced6edc805c57f79de147c52966ac74f34683d

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

    Filesize

    342B

    MD5

    7829a34fba1f79473b96a626bbf0766c

    SHA1

    e8032971b6b64a449c8621c86ac816af5ad750fb

    SHA256

    ae50f8a9cf925de37e3466d7968193129d47db16ad4d7b087edabe9129da51e7

    SHA512

    939870d97419e7ea6886fc6c03436f20c24cde0ac82ee966b63ca4e50a0e49caaefb3e9708bf0a8ed84f20e28db72730601eacee6a1cea0eea911e2b850f04ed

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

    Filesize

    342B

    MD5

    fc4fbba9f469e0d770c9be12c5f29c1b

    SHA1

    0279f83f5bf94f2c7be2547315b4769b1ed0a712

    SHA256

    81171bffa1acd855fd7b11a57a33af021f43bc19b35a02c9a1cf5938ffe1b8d3

    SHA512

    63ae0b8c392c40c071b1b46aedcaa259db93a300b5c42d89a87268438ef2c236c3442245057348a7d4b5e7102916570a48e9a91ff220a9f58f11dee3075216d0

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

    Filesize

    342B

    MD5

    f4fb038926a0caa50b40f492edd15e6c

    SHA1

    fe1cf1d76403fb5b8f78b7d80778bd9b4e0674e0

    SHA256

    e6c4e9dd33b6002a15524c0683c2eced2bc8e7b646ec9e7d2e71dbdedcdb7255

    SHA512

    c0afc429490230da835a4de41fff342bb7a0075e2a4f05b011c9809bca9b037794d3dc9a02bf19ddd121ed0c09ed192677637d81382d717ff0ab4b8143e798cf

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

    Filesize

    342B

    MD5

    b5814ffa67ab96325ec0c01ef28cff9a

    SHA1

    c127015ad692a23c6bca5a76af9b2aa94c81dd33

    SHA256

    e1b04165e27cebfbb7f6f8b35ee108837c58f11d168eb30dff0d6e22c7e19158

    SHA512

    65f7e738076098575236e5c2d8c7af0172bd11636227c634bfc35548a14de8e67cea02656c850535a09b5f43bae099616cb5594bff622e26d5eba94c96909b43

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

    Filesize

    342B

    MD5

    6a5798daf0367450752830039efa457f

    SHA1

    dc892707bbb51897ad5ffec0121e38048c46499c

    SHA256

    9fd6cc5477d4157249fa2a41eec7704c792428a64b07f797e59b35913f28a5ea

    SHA512

    2972967a4458f8c414f91b4f36212ad6f93344cf38c94934a54d51d2498a968c170543c53702c001c92748a0f95ef162fc96b36aa5a176f526573ab99e384952

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

    Filesize

    342B

    MD5

    8660525c8c8a18795a45088a3ed6f2c4

    SHA1

    2db1ae3716e419f0e8781575b82273f2dfdaaf6a

    SHA256

    12165162bd310328e334376c01f5af2944c504b7522b127afba28dce096d04f0

    SHA512

    bfc7c8c17fa2712af4a154c6e2f6ecba0edef8a4ec567d3b08f5387dcf53ce27be8cae34c8d42596864d3d33e273a903b82219baab5ad43c0bd63a70083bc5b4

  • C:\Users\Admin\AppData\Local\Temp\CabCA73.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarCAE3.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b