Analysis

  • max time kernel
    117s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 10:06

General

  • Target

    clfSchool.exe

  • Size

    3.3MB

  • MD5

    ad45ee315d2f046ec1038df93df16ba2

  • SHA1

    0a9c500ff65f1437c7ec9ec0da5745d5580257ee

  • SHA256

    54809dbdf16b8748f2f17f35c6f0927d2a2b5d392deb07c007cc37d9bd2816b6

  • SHA512

    04d0d8566df3e77ddc8fde6d9ce3bddab8bc6737e326c1f4c722108aa74b107a4b5baf62afa7b8de1b8d782bc9102539e3ed0fd2fe1b2a2463bb6a0b126c82e9

  • SSDEEP

    24576:TGWdDug9WdsWdJWddWdP8et3Wd/h+u2lxJuV:TGWQ8W+WHWrWh8oWTQxEV

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\clfSchool.exe
    "C:\Users\Admin\AppData\Local\Temp\clfSchool.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" https://aka.ms/dotnet-core-applaunch?missing_runtime=true&arch=x64&rid=win7-x64&apphost_version=6.0.21&gui=true
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2596
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2596 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    344B

    MD5

    08efc3d61f2cb1470d3161b12049a1c4

    SHA1

    01cb5d0e1cedbc2e3794c8711131cbb7a7ea84d1

    SHA256

    fe11dc1bce7e18a13ae39daaa8b9d7a139bf5069da2b72f507d6d5179f493ca1

    SHA512

    e11b578d0751861ab621ab628138e955e447b482c156aee3db58086f0eb18ff67fe70644572f98cde6fef8dc6ff31de4617d196bd86ed415cad360f0b33cfbc2

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

    Filesize

    344B

    MD5

    cdddad6964263edeaa9dce3b102bd1a1

    SHA1

    2b13881b69b893996ae3c36b9ab477f307efc0cc

    SHA256

    d732e16f091358762100cff227c2b40a52b01d87459660a9a74f141b5dc7b5ab

    SHA512

    c5ce8e4703f28ee5f3d3fe310239ac716d393d13d04cfca36bc413295d97da663b84dfac9930d5905460c6d30c683b4b3df10b938adfbb655fbb2ca345fd5067

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

    Filesize

    344B

    MD5

    3591ffb34902c7899526c070094d342a

    SHA1

    3e112e6d948a310232ec4233364a5ee8f1b70a41

    SHA256

    537ac0fdc6a910f09d4b4cb4e78a26e329834f4ebe227a37efa1db0d9715fdc1

    SHA512

    a1c588968ad8ecc2360aab007d4405653b443e8df856c8226885151402a235218b45f99030aa58ef10837ff3d0f9cf0cce80f99037723bd3bea15ea2f3869bfd

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

    Filesize

    344B

    MD5

    b8dab6a4312893ab8cc66031d98a01f5

    SHA1

    c41f170056dfd28303fe91306854b39fda568b65

    SHA256

    0a4a70448d2fb91656f0c7016ebb101f846764a181147fc6b47075d45439f1b1

    SHA512

    bbc57700e54b961b1feaf4dfa2a37ef9e9f1259b203133465d106860a48bb895066602c20710a71b9fd8398cd918ba69196fef50a9d36d39ed7974b2ce8806d4

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

    Filesize

    344B

    MD5

    7734063396349cbb4fc6ad073fd89d0c

    SHA1

    6497b871664c5b5a60ce134eb39c25c0ba7614ab

    SHA256

    f9a0c8aba9865b1ad2661c13cbbc846050dddc4f3b66e06d7f9330b6c3df9c83

    SHA512

    e50b540c7404eee34602f206d63723d5165a149604230ccd12fe0fe5aebe05a0b38dc1cd31ff23af689ba470476a338efd632249b09ac1676ebe9d9204cd9d3f

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

    Filesize

    344B

    MD5

    f5bc917163a39dc36902e3f105629013

    SHA1

    606f7646326fe5065ab037000ef717bd2a69c229

    SHA256

    f4fb47fa2caac776c26ec111715670d07e85c3c6b609ad069dd1237736ab23dd

    SHA512

    fad5228a16329c78ab0b12b226a4191f468d29575cb35c388024899d8c8397fdc01404bff8f01461dfc7283e579b679a70e6412b546748aed31665521ecdb893

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

    Filesize

    344B

    MD5

    a5f6038f344572c4fef03dffc0434e3a

    SHA1

    a9602d4951a121ff06aa8c481be85d2b79196d97

    SHA256

    88f171c616cb5b89945a5c15531cd2fa6b80ef689e94eb8bc3fb5a56c201be28

    SHA512

    567655d7f511cdc124e06b2613bdd9be69d67128839698417eff52f255e3a623893d502f8c064b986d66ab407d3045323445c49e95d31e3b7ed83f1f5978e3e4

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

    Filesize

    344B

    MD5

    f19015985542c1009ceac7d12a8b7d42

    SHA1

    3a7b82af4c0530993c183d3ad7612ede6aace866

    SHA256

    bcb0a1f27566d52944ef1aa31ee448f4f06e42f51d47ec6752fd5ffc4140aab5

    SHA512

    5b6fa34c924058d28704b7a543f5ba5c027e755acae5b0aa9f22b8db8e0b9e1a6c3b8c8900e7540e016f93e17857170f64e1b9d704f4802a040611b19bd9eedf

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

    Filesize

    344B

    MD5

    10d35ba7688b2732ba517e8ac2d4c04c

    SHA1

    3f55412a7eede9d69d49d021214e8935be05c631

    SHA256

    72ce5f834a9565363662e92e2c4b2a497ebbe71b0bf1c57d3fd6bd97db55060a

    SHA512

    89b5247522f5996cf726a665200e55056546b1968fd3de16ea13915cf0957a0ff64969ebdc2e118f77c9eef46f680f271dfe36369ac219adb4a0a99216eeafed

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

    Filesize

    344B

    MD5

    9ea06cd5c0da0955e31cd3f8d2a03e02

    SHA1

    654f2dadae4f34fe9c899c0fc70b9f68c25d046f

    SHA256

    e7e50d4c80febbad92221e0d500e7df3133bee7eec5eeea4c78f703024d627b4

    SHA512

    56557e8768e29d84d802d743bbe34a7c2cdb1b061c0692f3c12627558d2e2656c51113b940dadd28805ddeb00590e235a428968ba78c94ccd7c381da11b834ec

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

    Filesize

    344B

    MD5

    31e8c1eea3c7a5c2f669edd9d852e307

    SHA1

    3d8f0dc38ddedca75a84cf9c98f06ff37d204766

    SHA256

    364cce3d4cc4e1545b208e5d897af42fac9132be3af8460b644b88bb8b35031b

    SHA512

    bf9020b395033df75d9d7ae3abaef0966dad6f9bcf480428aa370839b211b6c883849cf8d53efa24d5ec4c213444711e4ad257033219760675d663010d279e85

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

    Filesize

    344B

    MD5

    055ca08f89aa0f2cbd4b75725553560e

    SHA1

    7a0c6703f443dc6d07b92094813a6b7d5a95a22d

    SHA256

    6f6ec1ff8e94510843ed627b9197b7f9d13fa56d294c0338908965f76b27d0a5

    SHA512

    8706a837ead07d5a9fb32c330be1fa1a18bd544bc1067619cae07f17d4b2f1270a3a0bbdd1985e3588a313f6eac52475d7a06013ec2c16c95cd53af1304641a6

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

    Filesize

    344B

    MD5

    67ec37b7be889f7443db34f6a2cd49cc

    SHA1

    d89edb4caef3389deefbc1cf15ed26c19b51a3aa

    SHA256

    d8f97a6f502730783d49b7a1fc9c2177ef91578c783cc381212294c1bf049c38

    SHA512

    573ed753b9a969f18beef76930562b9c1e1ee711338ac566fe3d7f8b1ab02f9cf7a6f051ea3a91b3da1acde318b2538fd1e820ad89751410e78442a183a10110

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

    Filesize

    344B

    MD5

    6f42c294cce0160096ec9766efa06ed5

    SHA1

    5a8b4cf49f58d6fa61a1fa48ed9e5d26ca71bb19

    SHA256

    897be8f511517d69d9a5fd9865171eba4c8099450b3210fff49faaea5a509f3e

    SHA512

    afc4fb9283ba839daddaed8eea8b8d13c7b777356a7bf9576295a75f3fdf927fc004abd55046ab0588ac75ec48311c10878f2038811eafbd32648e5090b382ce

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

    Filesize

    344B

    MD5

    c09eccdb5dd3844c43ac2e3f1350337e

    SHA1

    69550adeb18fb17bfd34859c86ef628758cfe571

    SHA256

    05fe693f0f1fcade9e0fac41f3c5c3b9fda3af4a027a2eecda45ed9a3ca9c40a

    SHA512

    d65410955258e928f3ef164e3e39820f079af71017784c8bb9f3367296499ce270a6b03fc57ca74ff1612cba39cc57af548b2eaeac45a6ba0d9f390e4a31d0e9

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

    Filesize

    344B

    MD5

    0dc89f8d0ce5b3835536bd88a3def1b9

    SHA1

    0614a6375e4bb9c3e3b9a3f7fc2f6b4d079d0807

    SHA256

    3b64d020fe95255d4b61550d601706ee3202cd661794d3f94e61feb1871a42ca

    SHA512

    622e26dd1c35972bf5912e7e4446a52bbba4f9499228b58accf57542766b7bac92e5bad8c35cf16968914e4d819a7c33fed12aa1ff0cc8fcec042d7f4d2f1a79

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

    Filesize

    344B

    MD5

    2e57dc7cd54f1f1bbccb8c3d5003faa0

    SHA1

    e22cc0183bebb93b8a75258657e70fa0998dffea

    SHA256

    3142789bf635e57a2667061f034a60cf572f557f39eae86632af2ad3c7585165

    SHA512

    810dbd25d2e8e6eda84728ac9e9da6fccaa1acc7ff170fc6eab68d654f146ad406ab9a7017d60d03b524731ca15904dd808c101f451666d09e61ad81713ac1fc

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

    Filesize

    344B

    MD5

    7970f5054227d6e30b5203b479dcf182

    SHA1

    1caf0938b04eccfdf75f5a3bf99ba1f4d1ada769

    SHA256

    0c0244691397109dc88a3acdb6a3fac4967e2da655006925c45fbc9e34b986ab

    SHA512

    6940da90c90a02189f7ebc1b528dcf1f83158de9b2cb92699ec4021a51c6256044ceb3a3cc510e457827dcb19052f3d6a32f9b520701a2f2504b83131ccdc018

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

    Filesize

    344B

    MD5

    43ff62d98b6d9e42a4a1abd04babd5df

    SHA1

    9c8bda2ce8dbbe5d147d5bf86ab39820dd3b39cb

    SHA256

    e1e4874dc9a5a3c2d6c5c729664007d1509c1b064d39d30870d1906ccf947c13

    SHA512

    142460b2230e4d976979c8dee978ab6080ffa1794a60dde4f85e88bae359709904fa887640f91665964df91865816a8e6911aeea557cffb54830e921cd7beb09

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

    Filesize

    344B

    MD5

    27c56d80314f432daec3e5a49073f883

    SHA1

    cf3dd51e87e12dfa48e8fc5940268afead5dfd00

    SHA256

    ac60857a598296482de30eeebb4b0fa8ff76765c6ad15035533f00ba8e98d0e5

    SHA512

    509e5fcbee929897fdd4112fdd1b586e17720d259afe71ca06f733ee8bf03a58a78c8c7d965403665bf074b4c7281687983a533c822461308d8c5399fe9a6410

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

    Filesize

    344B

    MD5

    97bf23574e77bf04e88f504b78992ef6

    SHA1

    a6093a81d095be6db731285b852655d0873afa3b

    SHA256

    d236f5fa7dd0c58c194af9f3a9215891340952e7439e1fd5ae90fd4ae69ca3bc

    SHA512

    7a9a0805b9980431a390c792e0f6e4aa3411299ab929be83d489b5567a6c79978888deca7ed23fab5b3fcef979c9bcfbe1745a65e5ca0a56bb4e649442419fa6

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

    Filesize

    344B

    MD5

    220a75ed5ec9c75fbcfb4004a802ce14

    SHA1

    e54dfb71f9b64473fde004fc6915cecc3e33997f

    SHA256

    2a0a5e201629c0bbbee977cbdc1be0174d86cd53dd871dc9f4d5ebe8aa4b6deb

    SHA512

    c5444268190584c51905c5140b6eeb4df765af78ed932e29661ceeabaea33802223708240faa96c516026ca3e566fda209b900abc189d0324c57c9b4e9d08a8a

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

    Filesize

    344B

    MD5

    3e21b81f769d2373ffaf01485207ca17

    SHA1

    7ac017e6494c7224852584de8b8bb3e5d6ce93e5

    SHA256

    8f7107893f0184325a491fcf7ed88fa1dc9d78df6e7ab1d7355dda01e0bf9397

    SHA512

    9816ddf5551877e85e7f172b00c95dbed5c1d8b8328b90a87696a86e01bdde07d9c215140918934a32756f98535897420c6e704c2aa464aba4f6a6b2c3852168

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

    Filesize

    344B

    MD5

    7be8365c18371e47ff1edb7517d3c91b

    SHA1

    3d19077e7692d2e86b688a41c634ae8bf339e527

    SHA256

    7f3ce961545be449cacfa9a2c83e907c011fed414511ebd7c279e89a6d55c867

    SHA512

    2c56199da463ed673068b9de5301abb9992f015e6e08cca45a0faeb97df62b7e3416cb1ac6284d659903d9833617d8ef09c09fbfbc2e923fea280c1f9031073d

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

    Filesize

    344B

    MD5

    ff04b7f1b0ab01b414a8f8ba82bc92c0

    SHA1

    9089ae5d0318e0d4af39608fdf3a20b3b3b58f8a

    SHA256

    8390b3bf6a3998b42170d807f0723a13e46d019be61731d1ee6c7209310e08a3

    SHA512

    7e22ee99cf2cc7f3099d77e39bda04df895a96b4e41efc696088b45da54ae2f2c17e30b3a109e758102d7549c5c82b3cfd68abe30be3b7c485fb29ccd3e39f02

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

    Filesize

    344B

    MD5

    f45b8674a0873f543973dd5e7a12f998

    SHA1

    d9ebb4dcde05aae7f6fe9f7ee30bd4393dcdc35c

    SHA256

    d17a22a430275c992ff49a14a2dd0750e5f87873654c11127cd011137af87873

    SHA512

    65cd7fc2432a5b2eefa377eddf00485555023adae5be280e0ee03552060fd588eed7515c1a34a1cc133480844f1a140bd9459cf7c6aa9a65876882210f75b2b7

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

    Filesize

    344B

    MD5

    bd1f876ebd63f202dfb54ba0fb2a2fbc

    SHA1

    e086a6e77038b76eb6ec9876969742ef5486c5f0

    SHA256

    4c872193fe3db2214f376c3dfe51cc3935e745f4deeb34dcfe2f9d54eec9d60c

    SHA512

    797c281f656dc457895f3f0706c0c15e5639d54df3c0d46d082a03f6b8e0c13bdcb1141135808939bf92c076ca91630ca8a85e4c705abd00ec4c13325623b65e

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

    Filesize

    344B

    MD5

    068e13b925979dc203f75202170a1850

    SHA1

    fd7ab96bd5e109f87837905126abfb09df802827

    SHA256

    d44e2692a70b312223d40d3067659aa9deb523b64b9de561f16245414399d904

    SHA512

    5602bee1293c677e4366d44faebb7260e572a7027622fb4ca7cbef4575e0d815bbc05f05b85c91e74acb94065e5450bbf32e9cacb21ffaaf3407d86dc56dc890

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

    Filesize

    344B

    MD5

    5af85151890f28d8d0a2203763ea6093

    SHA1

    d60476041ded4ff6669ab4329755acfb348162c0

    SHA256

    ed126e09cd334cf004d0a70342abad73243d56c1d5fbfa541d104c6f57b81f12

    SHA512

    f0c888e30cbe72793fe136a7d75178aa7460feaf07d134558c1f61d6b3f585bb5620c7f87c4a5731faeb1df1d4b2d478ae89b892bc7b7b775cfff96cb8a471bf

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

    Filesize

    344B

    MD5

    fa811d81c4faaacc4899053cfad610f6

    SHA1

    6e1b16a5139332f3d1a42033eaf64688847ea00f

    SHA256

    e9f5a5d8ac64131c8956ecc3838cd5156e914e90090bb44c6f75f8e076514a95

    SHA512

    1d55544c73dc7a5a4f3ca7a6f9c9004be8d0d88d8b3df463320739a7420b7b579124b0e2c2da4e42ea3391f35db8eca09bbd67d61df404e13be35f944f1374b1

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

    Filesize

    344B

    MD5

    e87aa0068f3585a311402d1ec937d0a9

    SHA1

    f7348722a46b4a75d6bbc678dc8b39bccc20e485

    SHA256

    7ec815f130a47a9433b18ce01bfa27321c066f2088d30c5a8615caafb1ddfa13

    SHA512

    cd5f3aeba94c8be36b32e660442a43c5df2cbeb8848da8b214a9bba1b410e7fc9fdc635027ea2c54e1505483092626f8a4ed9cd30193c8eadbb30482fa097f0e

  • C:\Users\Admin\AppData\Local\Temp\Cab8F35.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar90A1.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf