Analysis

  • max time kernel
    96s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/09/2024, 11:47

General

  • Target

    StarRailBase.dll

  • Size

    4KB

  • MD5

    f1d1dbddc2ff603b0d58dd969e0a24a8

  • SHA1

    4527b754718e9767ad0a1b4051544e23494ff511

  • SHA256

    801b0b95527f98b1e5de4f92886e355ebe548c74257e736727c88c7507203b28

  • SHA512

    2eb669ddcfafb1fdd973101b7575902ee2b82b40cb4836c0a84430d86672ceb9040139513b3d17c2cd5ab0d9dbc4f99df745ed461648a345cc13fbab1216eb1c

  • SSDEEP

    48:qZITVmb0V3vYQ/qpUE474DMxdkCFZPSPeJeg:BTVmbK/mAsMxd3Ag

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Renames multiple (2081) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 53 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\StarRailBase.dll,#1
    1⤵
    • Drops desktop.ini file(s)
    PID:2856
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:916

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Microsoft\Windows\Caches\{62CD919B-7E91-4D3F-AAEA-4A16BA66838E}.2.ver0x0000000000000001.db.k

          Filesize

          1KB

          MD5

          d9a05ae44a66235faeaa33a8a298a435

          SHA1

          5d8bd95d27a950abdfbd7f6ce1b59d47ef075c81

          SHA256

          47b7c5410a7d9793ee13eb44f90bce52972a2ac2cac28c252a10aea511ff1bbd

          SHA512

          d98373a2185a45cd37faa88a9530baf0da960218d93ed63204f18db59b664ce3af7a09d5c63cd4c1741f509d1c7ae8ec868ee59b97824361e2cfd99d70bdf698

        • C:\ProgramData\Microsoft\Windows\Caches\{DDF571F2-BE98-426D-8288-1A9A39C3FDA2}.2.ver0x0000000000000001.db.k

          Filesize

          622KB

          MD5

          268d8b076ad540e2ddaf83d35fc7bf93

          SHA1

          dda42c56dfcf825569c9eb5b66b1690374a02f10

          SHA256

          5ac9913eb227662734c93525955878fad77381be83049a7d6b5f629e404ba497

          SHA512

          3a657cd22a2267acea7eb47f9f6aacc04bb869cff73ef4dea1067027e8f42dd1a1ffb53d41c91b7c753f3e2bb504f9015489b14e2a21afd453da7fb2c216a67f

        • C:\ProgramData\Package Cache\{3A96B93E-763F-41E7-85C7-1F3CCC37EF27}v48.108.8828\dotnet-host-6.0.27-win-x64.msi

          Filesize

          736KB

          MD5

          b8dfa6fb8b23e18e7c9910b737e5e53f

          SHA1

          fa77652dfbe1bfc3ec68186fc91d935c2b406611

          SHA256

          dcc08fcbb0d92f8e753f0cac4c286bba07c491c19bf9cbc14caee227261c4dd5

          SHA512

          aae4c579b28332a3c0a396828147ddf991775c09f19af5d70a733e4fff60f020b26c2908fdc9b4a984960aa65e6856864062bb327bd4b4b3fd8c9da94dd8052f

        • C:\ProgramData\Package Cache\{662A0088-6FCD-45DD-9EA7-68674058AED5}v14.30.30704\packages\vcRuntimeMinimum_amd64\vc_runtimeMinimum_x64.msi

          Filesize

          180KB

          MD5

          45b9b8c55c85747392d5135d4ec36749

          SHA1

          2826a14806e71370ceadef6a9988730bb9168e71

          SHA256

          ca136670a0f3aa6c9ff7379a8aa4699ae5988809a87e6379a02a14be07133da7

          SHA512

          8fe72810a35ddf9023cb94c3c5d66978a2018d3b246fb7295f8b3a8538e10df4f37843bdce7a40248a4eeeb834b447a24a8892e114a4cae692a8c2158bd4ec93

        • C:\ProgramData\Package Cache\{CE4D7AE0-FCBA-486F-A58F-DBA3626FBE4B}v56.64.8781\dotnet-runtime-7.0.16-win-x64.msi

          Filesize

          26.0MB

          MD5

          4151bc845ec0dbc7ad7f434bc0363703

          SHA1

          735573de4398041462987f90fb8c0be0408876f7

          SHA256

          af03aad300dcca8ad93c5865f4e9e5f8b652ce8774a2100b04859a7984dec0d7

          SHA512

          004ca15f01654c5697fa62d7f58642c11e4145b1c8c466fddef95c0be259f006ed79e1c122928c19efebbf7b7b973686bca1567b0130d20ed6d9d3a7cd1a1049

        • C:\ProgramData\Package Cache\{E634F316-BEB6-4FB3-A612-F7102F576165}v48.108.8836\windowsdesktop-runtime-6.0.27-win-x64.msi

          Filesize

          28.5MB

          MD5

          ca1cb4f4e9510b275a52dbe3722a9faa

          SHA1

          15f2712296db1ced7ce8883e20fcbfa840fc864c

          SHA256

          b6634629a05ed7da17e6e69c48963d68e3e9588c20ec1b4f5541c9b58e60c3e2

          SHA512

          bd2a59a02e0b27aa401fe5e4d567b0c64ad0f3f3746711ab874cb0d439f5958c06e0ba6aed0ab17b13d0c37cec3976675978fde2b9196a87fc5f9cfe3fc7a4e9

        • C:\Users\Admin\AppData\Local\Comms\UnistoreDB\USStmp.jtx

          Filesize

          3.0MB

          MD5

          fe838fdc9187fecab984bf9fddca91d5

          SHA1

          74adedeaa94d1f01af0c246e2f5679bf2887d961

          SHA256

          a0f872657acf4313cdcd01e65542fc80eb1358979582cdab395c289cc1e57419

          SHA512

          43d8a783d9510759e000282098ad43b12bdba4c27a302a5b6c24b122f47135d923ae2b5a910d5019f61c8f1d06f8b9cc08b48178c9e38f3f9b6c2f55e65e9f1f

        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extension State\CURRENT

          Filesize

          16B

          MD5

          3bb0a53ff8cede0182ed20ed0a55141f

          SHA1

          374eadf7d623b2fcbc65ffd209e3405ffff3b37d

          SHA256

          bcdad2b976a1345eb6a1063de65975eae4ac66e19c36357e271794b9459e16b8

          SHA512

          c425b92786de52c959440cdb34bde5375a6fbc86b37da63219ea6c7c052120a6f161b26ef1017a9e1c4546177483cffea4c5b27efebcfb6e8d265258c719b829

        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extension State\MANIFEST-000001

          Filesize

          41B

          MD5

          56cef51ac2c40850b350854b5be93527

          SHA1

          770e47c348f70e6a208ba012fbb67e9f08090873

          SHA256

          6a790c0100f2fd44ea69cc0896cadad590dde6b1bd0b1316ef76c362eae7a47e

          SHA512

          9560505d6a0543bc0c813de2c3c7421bbab6d370abd8cfc8a9f377da9b833d5623e314bfb995e8de0c753f538a3d3cf7149f9894d3a291485a5790f8d42ca8e6

        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_2

          Filesize

          8KB

          MD5

          9268428563de08599465d1d1a9d9eeac

          SHA1

          cdf9ae46fffb34818399e98eed8bb7f4b14f1574

          SHA256

          826f87dd93fde2e88f2ff03e81652944ce0d20f085a1d8d9910c793da7870eca

          SHA512

          8ded0b29be306352c45d6f278d24405e239c57827d5017787067dc537505ac0d75714f1d350dfe44ba0b62ff662c7f8297b2816d739fc72e83893a15f01de1ea

        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index

          Filesize

          24B

          MD5

          40bc644c8a690c5f6288f4d1bc225c5d

          SHA1

          3f20619b26867bc63795c6be179f31c3793aefa2

          SHA256

          759be9ef7b429d7d9c9398230af8137fc50e807b1fafa49fb6c1235563fc7eb6

          SHA512

          0ed1582e177889beba1b7d62d37831698a013cf1be1398c2d5d4e31d9d685c20bd64ef4f37499c09dad3b14583fa60180bf43e43c823cbc93edb9830cd234db4

        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Storage\ext\nmmhkkegccagdldgiimedpiccmgmieda\def\DawnCache\data_0

          Filesize

          8KB

          MD5

          9dd947f5fff5a5aa448d23aaf30b2de1

          SHA1

          489036e2f487f5f36d269f5e55a26c33935d90fc

          SHA256

          6297d1fc0253cb715bc092c94292612f41ec81a5bdc6ee1ef626f3e4a15a25b1

          SHA512

          1075ed96b20b34ad412225b130e9d225ed38cafcd1e3a8316f66c6d7a9f04e7bdedc061c90d8d96204fa1aee749910913bab156ed386a9645a9e9de3b87518fd

        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Storage\ext\nmmhkkegccagdldgiimedpiccmgmieda\def\DawnCache\data_1

          Filesize

          264KB

          MD5

          4d0f30ada4c7ecd7506256fbd22bd20d

          SHA1

          604dfcd5642201b8171f16d7da762501d7acbef2

          SHA256

          790bc36854d0fefc0382d41222c6c2c9f4c692b31aca72db17e11125f2301a09

          SHA512

          cd310b8165d62462b0079129df130411033fb7677bae5c70d12b46b759538086049a6f8d3f46e52c7784ed82a924f4332db797271b04241647fbd0479a6e2d19

        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Storage\ext\nmmhkkegccagdldgiimedpiccmgmieda\def\DawnCache\data_3

          Filesize

          8KB

          MD5

          32d0c4cd46d25fc368289c3bd96bd4cd

          SHA1

          1e5cad9038d031a104de8264f6fd23c89a67b8f5

          SHA256

          1ac13bf6c7c6f57fbe490923b6b7d0cc7f2a115444d48e47197b9adb6dab816f

          SHA512

          2ac455f14f6b6d932c2ef0ce3e72ba55c0c72a7da8da764a0812f55b4638e2d44fde1ae478f464869be48875d214b82e03a5bc7af3bfc05312669b3226ccee92

        • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\winword.exe_Rules.xml

          Filesize

          332KB

          MD5

          1f8d56b88e824f76e1334d683d01beb5

          SHA1

          a8df3e84ae760d5d8ff8436a68e4e65f6afbebde

          SHA256

          04f9e246f0c34da2a94157d54ebbdfcd56959121c678c3bc86d336026b565e8a

          SHA512

          9e7b79b6c751cc9d1db4a0586257dfdc9276f573ec29943419f808d0ddaa00062577e9c5b6f816f9224f9c82641c656dc42765873384c4d861de43908babab56

        • C:\Users\Admin\AppData\Local\Microsoft\Office\OTele\onenote.exe.db

          Filesize

          24KB

          MD5

          84a75c1853eb7e5023cd17d6f4cc602c

          SHA1

          6c709a005849b53ba3c10c28ae91dff3ec6366c7

          SHA256

          ec8eeec34bb3ee64108d84ea9a541773a0ea482e465f23f146f5e4a669e26065

          SHA512

          f822aa4b3fd2772533ccc3e0c6967e33a88b02d0a27b6d612dda72d26677d7f0507b44864e7b3de44d68ed6bea82f36a59ed66789cebf1e06720a80857a319a2

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\desktop.ini

          Filesize

          174B

          MD5

          10cd64ff6feca700bc3785dca79a4c9f

          SHA1

          8e5dc101aea4049109fb71dda9234476bf9908d2

          SHA256

          b7a2b57dc07d99db8206ddc5176e3996211f44943f446bfd54b1e77ca8427845

          SHA512

          36bfd3e1c1d757406ad98371dd51d97815d5f498215cfd28599ba2ce082c4cd791625de298ba0c5245acab0b6fb5f6a77f1010bc02957524362d14b44c43fa80

        • C:\Users\Admin\AppData\Local\Packages\E2A4F912-2574-4A75-9BB0-0D023378592B_cw5n1h2txyewy\Settings\settings.dat

          Filesize

          8KB

          MD5

          ad653c52c4c6108843574d720b24eaa9

          SHA1

          6eedbe6b4f5b3d22c4840cbffc6b1e4cfe9d911d

          SHA256

          ad7959c3b88753b181e20e0c9a7ecbbd8ee632017ca6d1eb8427db9862735f0a

          SHA512

          f5a4df1abfd5f2167dc215332a7cdfb5f8e348ac4ca0988e102085d90832e565e5f2820c548638273436a9b81c7f08904b057afa7ba9f1f29c138d851477ac2d

        • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\https___java_com_help.k

          Filesize

          36KB

          MD5

          31381e75a4d972a07289cd6d7fc40785

          SHA1

          316e922ed1948abfaaf5dfb4be2af9b6c831cfa5

          SHA256

          c25766abb191383e44176c67a89dfa6c116f468dbe69c415a604cb650f981648

          SHA512

          5165d5354f055793d6c872ea79ee5554f06e077883fd87826c271457ce35c0eb2169448b10ebfdd98631e0451ca507ed8ac8123b028ff65c7ca2ba98f09b706c

        • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\{1AC14E77-02E7-4E5D-B744-2EB1AE5198B7}_charmap_exe

          Filesize

          36KB

          MD5

          d67468a8dccf719cd40a360881fbed45

          SHA1

          36440c795c47c27922f050e82d00d156466af1b5

          SHA256

          a9abc53d496d08f00a43a6da307cbc613c70086cdad4fe092821f15951e2b79c

          SHA512

          67c3971db52d88b6e6c7710963e05e779f24817654b20ea466a6f96a94aa7db91a971fcd487cf7d4578f7cb3d61375465a482293c143e73a91dc609ffb07fe30

        • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\{6D809377-6AF0-444B-8957-A3773F02200E}_VideoLAN_VLC_VideoLAN Website_url

          Filesize

          36KB

          MD5

          70ed0df05bf24c4efde35f91bff3a54d

          SHA1

          8a4b95e27e510c73c9a92d9d34fda39e91ad9036

          SHA256

          96163c92134a843e46c23f415cf72c22cce853ea13aecc5156da5e3286b7d39f

          SHA512

          893b562e3b760d24fe4906c3c4de76284117e64186f5f6beabc40afd755cada6abf2f43b75bb75394b2e4916e3a098221c51e17332733cd75c4b42c80092e4d5

        • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\{6D809377-6AF0-444B-8957-A3773F02200E}_VideoLAN_VLC_vlc_exe

          Filesize

          36KB

          MD5

          a197fc65a2dd009b4c18ce750a0c2a3d

          SHA1

          e9dc494ddc186fee00e3ecb902665bf47823bad8

          SHA256

          e453e612db6382ad302157ffb0be7d5eeb053ea1ba79d51db52a81bf7f29ebdc

          SHA512

          208fbf4d8f4e5a19b23a6063b060ef8fc68bd144d57ef9b4772f5693c0621a3d85525cf5c24390370830fd2a93ef9a79113aa2f0613b41f4f932a2734c598655

        • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{cc2e8893-26a3-4169-b568-0a1ff84f10f2}\0.1.filtertrie.intermediate.txt

          Filesize

          5B

          MD5

          88ccb60981ad8892c7738b30d2d22f8e

          SHA1

          5840040fa6ad10097bfe78305f800edc3c4f607e

          SHA256

          705d866d9347a502a8e59ea6d4e0ab9ad7ed17f8189a6cadd6528f85213c14ff

          SHA512

          7fac51ff58199e3fce49a0de11c5f3e569f48af21b064bbaac38f94dd51e78a1e5715b137d95369d640374225e376af22a42dcc6d325ae45db6f1895a20e939a

        • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{cc2e8893-26a3-4169-b568-0a1ff84f10f2}\0.2.filtertrie.intermediate.txt

          Filesize

          5B

          MD5

          fa9462eda77557614bb92e4c1977343a

          SHA1

          cc253d66057c28550b6825e1b53344b6fc470eea

          SHA256

          61bc9614aa237c633e049c1f9e22090d267f7414f6802267cce50b7616c0dd83

          SHA512

          3dab82163eebe8d4d67bad7c2b2d72bd25edc150fa66e849a77196ca23e5c18e0f517c4e8ba4b25348146ddc6dd16b7c5ecc4473a3bd11e734bcb85c6f152c21

        • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{cc2e8893-26a3-4169-b568-0a1ff84f10f2}\Apps.index

          Filesize

          1.0MB

          MD5

          dd7f36b564c284ebc482aac6162fcbff

          SHA1

          a0b26d1b4515032b9c41549f3f275e71e8afa91e

          SHA256

          59276ffee5d4c0a54d6a78deb64a4a5f6984b88f6471f4a9c0eb3ac30e7e3d8b

          SHA512

          b68c9bd8a3bd4798b30fa2ea4f20bb3d88533f63c1b04a6ec823d7c318728bc10f5f31719b4eca8e2447a08e8a7547f038fa9bcd23b492d6a38031c17e1bb6e3

        • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133670754149735590.txt

          Filesize

          77KB

          MD5

          04fba20fc42148d884d93298c1e7630f

          SHA1

          84ab8955e4d9ff985e1e55cc79d45f1783e5dbb5

          SHA256

          2596f18b97cabdce5e1bbcd33c8706a529eae7e57005a9e9dc0900735b68784e

          SHA512

          042f36a0453e493242e7d2c57a6882bc18de1662accac381f44443218a41d0362395aee84a05b61c550d8f5db25fb32d64fa03d3ca2017b04c9a897f847da4ba

        • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133670754678238458.txt

          Filesize

          47KB

          MD5

          75ca286b0c7191a0c924e4306bf92158

          SHA1

          2699f74bc6a824d2f58f7d22c3258246494c5118

          SHA256

          3227739acdd950134d1a2a7c13aa947f886fbb074be0d24bef8fb0e5ed05c6f8

          SHA512

          64f1f94572baa819e2b99725bcb41a70b18dd1cb1df5e44b8355d199fc5f36a5e76bfa4df105d5ca0930e784516fb52cae5a647c00c071582ccf444421e25f29

        • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133670761945787825.txt

          Filesize

          63KB

          MD5

          cbd3f8b337168986596c831d1d4631c4

          SHA1

          c9b722e3188e5a26f9d682f211a2fbeacb57690b

          SHA256

          c02efeb50d49cb2fe636ce0aec113666fa94661b8e523a149ae269064cab8dcf

          SHA512

          795f6e2bf7b28b35ecdfc6c2933ad7df64ef5657eb9e993b2419d7dd685186ca77cca6d3b9c3004ce866aa54e747a987dca4b3d5bba84faaaca8095923196369

        • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133670764554768979.txt

          Filesize

          74KB

          MD5

          ab053b493a23a75f5a2abb8921729f2f

          SHA1

          e7ad99f27b99815d4c4ec2b9b4721c089a6e7b66

          SHA256

          3c4a75786d4ad36bcf43ad1f0371a172d3db51bd33ec455781c561655e69a356

          SHA512

          61260f72b2e6ed1add5fca954a6c7392a4a479fd37ed668a5cf39fe8923c2c9da23d6b73d526a34a0ff1006159f2915b55808e7bbe8e58517f7712d305d95386

        • C:\Users\Admin\AppData\Local\Temp\wct4EC.tmp

          Filesize

          63KB

          MD5

          700891eef3b501d14a5bc7bd5afb4c60

          SHA1

          5f6bc9a7f2f3bb1a783f5b0d7cf60f97a4823740

          SHA256

          7eb77dd6bdc4968e13c36f1085a74cce5464a41f514cfcb0175ec461ef7c36b1

          SHA512

          1638b9ddac525402d321582c266189d74b2eba050d26432d47c6acb713610b90128b0497d13daf60714097672e7c11235415f4986c673a9644068eb0f36b1e9d