Analysis

  • max time kernel
    144s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-03-2023 13:25

General

  • Target

    https://aka.ms/o0ukef

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" https://aka.ms/o0ukef
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2960 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4924

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    d1c2394de328e8fdd746f216fd625c7c

    SHA1

    96e662fd61c6829b5df3c952d0f2606019351b90

    SHA256

    b7120a9fe17c0dd07d7dcf3abcfbb8575d8eefa072b580a9276bc187fa5b9050

    SHA512

    ac10db7cf61cf8ce9012cc8dc837288208be2f481f737db984d5afe1488717f46140d0cafaf30254ca5a8600716a1620ebf278dacdab629148cbfb9f4731cbd9

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    434B

    MD5

    997cc8d9e156701d9586378e5b63bd23

    SHA1

    bccca006a3e09c34d8f9b82f99d299c9cd774bd9

    SHA256

    6e2b4ae7270ae27e91eb74964233d0a60722984c7d0943c046831ba340a19e27

    SHA512

    c4b41cc0c602cd323335ade0f8c602edbdbc82156c02cb96e364af0d6a323dcdc315bb98839ab09fa160db8ca04b5e82174c2bafb3cf536050ed10146a5b2fe9

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\DOMStore\2S4WKT3T\www.google[1].xml

    Filesize

    404B

    MD5

    13243ed21249f00bcd8bb9e872f3875f

    SHA1

    83a40f59235f0cc6a27fa14ee8daadd41d256d8c

    SHA256

    1563053ba4e65bf8ab69748f676741e5d54afaf7ab930efa7432d57cd7b79826

    SHA512

    bca392e075a79d5a89937d112898c2f13c07d4fbc1c3760a2709f04b65801b87abc1091c413cb069d9d5f88982e6b8b496677e0333963652607d8ce1a73d91a4

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\DOMStore\2S4WKT3T\www.google[1].xml

    Filesize

    99B

    MD5

    9679427c9b12545b7e6a1d6ad720cab7

    SHA1

    74d40b0e7bd0a7e3cad3fc3eb7b641de12661b62

    SHA256

    fa33284c9dc520a28de9a934220956b6c898e5f6af9f8c018e2e85af4210db5b

    SHA512

    d6ec2a605498ec2e93f885ddb4a2b1234ff5e21e2a0f66051db2213d9c8413812d49bbdd789104239eaebfc54675c31880aeb7ebb2cd16cdc7f3ba279f31f2a1

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\DOMStore\2S4WKT3T\www.google[1].xml

    Filesize

    400B

    MD5

    61b1a1b6d2aee4833300f52870775580

    SHA1

    0165fa3765880ef1e50474a36549e74a297095a7

    SHA256

    428c126f1d8ad9616d41f5d349c695f2294609285d140e3227dce54a74f129f5

    SHA512

    9acda4f293cfe28be38d7ec19b82cc21654337f923942f32bbaf4a91bae6f7b11a54ad0ab09e7f2b21149e69b9f85577ace4420b75fdadb0eec2d483a0052cc1

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\phzg4yt\imagestore.dat

    Filesize

    17KB

    MD5

    1fa249127eeb22e3238d0cc3982c8bcf

    SHA1

    a17f6781fc1a4e3c218d56f1e114e3157b8c2dad

    SHA256

    34a6ae71ec9ae3e52e2823029611b9200f127428a401b0e7ec76662a6a4932f8

    SHA512

    b44fb6df495a940a66831f8b3b638e3e5d656205c8e7b8e06e9fc09ae77bdf94a718ac80c8fea07a60700f001b0144f5b2641eaf09003639ec28f51de201bbdc

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\phzg4yt\imagestore.dat

    Filesize

    17KB

    MD5

    1fa249127eeb22e3238d0cc3982c8bcf

    SHA1

    a17f6781fc1a4e3c218d56f1e114e3157b8c2dad

    SHA256

    34a6ae71ec9ae3e52e2823029611b9200f127428a401b0e7ec76662a6a4932f8

    SHA512

    b44fb6df495a940a66831f8b3b638e3e5d656205c8e7b8e06e9fc09ae77bdf94a718ac80c8fea07a60700f001b0144f5b2641eaf09003639ec28f51de201bbdc

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\phzg4yt\imagestore.dat

    Filesize

    21KB

    MD5

    055f023cc81a8f6a8e5bfecc3dbbd47e

    SHA1

    3fbd548ae40e66c0c55e2cda3f6bec04871b2378

    SHA256

    a98ad0ab19774327343ce02bd38b86377f98beeed5a0a63bfdc3657c4e7d446c

    SHA512

    8af301b31db02887b890c0edb1dd7dbe10ae75df7069f88972dce8a19ea8ab3723a32e8717114113c7bbb0947a1adf31e5b72bcf2a10ccf1fac43f1f40d61063

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\phzg4yt\imagestore.dat

    Filesize

    27KB

    MD5

    1087324c0eff8f2d2eef40eef458a4ca

    SHA1

    6546e8f5853d350ed3041ce2d2af1c4827389ada

    SHA256

    8044a465533b359314c68d8f35b35b427075a4e1dde089dbeb85f877e6ac580e

    SHA512

    df7d26e56e04192f25ab12cd179b05a4f3bc73fbf1a93afb9358e2f293fef1486c9ddb5e2b8ae0e17019af19c67429b152e5a6cb4e93ad1579b2b70fe7395de0

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\39K1WZBJ\KFOlCnqEu92Fr1MmEU9fBBc-[1].woff

    Filesize

    19KB

    MD5

    de8b7431b74642e830af4d4f4b513ec9

    SHA1

    f549f1fe8a0b86ef3fbdcb8d508440aff84c385c

    SHA256

    3bfe46bb1ca35b205306c5ec664e99e4a816f48a417b6b42e77a1f43f0bc4e7a

    SHA512

    57d3d4de3816307ed954b796c13bfa34af22a46a2fea310df90e966301350ae8adac62bcd2abf7d7768e6bdcbb3dfc5069378a728436173d07abfa483c1025ac

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\39K1WZBJ\KFOlCnqEu92Fr1MmWUlfBBc-[1].woff

    Filesize

    19KB

    MD5

    cf6613d1adf490972c557a8e318e0868

    SHA1

    b2198c3fc1c72646d372f63e135e70ba2c9fed8e

    SHA256

    468e579fe1210fa55525b1c470ed2d1958404512a2dd4fb972cac5ce0ff00b1f

    SHA512

    1866d890987b1e56e1337ec1e975906ee8202fcc517620c30e9d3be0a9e8eaf3105147b178deb81fa0604745dfe3fb79b3b20d5f2ff2912b66856c38a28c07ee

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\39K1WZBJ\favicon[1].ico

    Filesize

    16KB

    MD5

    12e3dac858061d088023b2bd48e2fa96

    SHA1

    e08ce1a144eceae0c3c2ea7a9d6fbc5658f24ce5

    SHA256

    90cdaf487716184e4034000935c605d1633926d348116d198f355a98b8c6cd21

    SHA512

    c5030c55a855e7a9e20e22f4c70bf1e0f3c558a9b7d501cfab6992ac2656ae5e41b050ccac541efa55f9603e0d349b247eb4912ee169d44044271789c719cd01

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4VT6R2QM\KFOlCnqEu92Fr1MmSU5fBBc-[1].woff

    Filesize

    19KB

    MD5

    a1471d1d6431c893582a5f6a250db3f9

    SHA1

    ff5673d89e6c2893d24c87bc9786c632290e150e

    SHA256

    3ab30e780c8b0bcc4998b838a5b30c3bfe28edead312906dc3c12271fae0699a

    SHA512

    37b9b97549fe24a9390ba540be065d7e5985e0fbfbe1636e894b224880e64203cb0dde1213ac72d44ebc65cdc4f78b80bd7b952ff9951a349f7704631b903c63

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4VT6R2QM\KFOmCnqEu92Fr1Mu4mxM[1].woff

    Filesize

    19KB

    MD5

    bafb105baeb22d965c70fe52ba6b49d9

    SHA1

    934014cc9bbe5883542be756b3146c05844b254f

    SHA256

    1570f866bf6eae82041e407280894a86ad2b8b275e01908ae156914dc693a4ed

    SHA512

    85a91773b0283e3b2400c773527542228478cc1b9e8ad8ea62435d705e98702a40bedf26cb5b0900dd8fecc79f802b8c1839184e787d9416886dbc73dff22a64

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4VT6R2QM\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\EY3KXMB3\KFOkCnqEu92Fr1MmgVxIIzQ[1].woff

    Filesize

    19KB

    MD5

    e9dbbe8a693dd275c16d32feb101f1c1

    SHA1

    b99d87e2f031fb4e6986a747e36679cb9bc6bd01

    SHA256

    48433679240732ed1a9b98e195a75785607795037757e3571ff91878a20a93b2

    SHA512

    d1403ef7d11c1ba08f1ae58b96579f175f8dd6a99045b1e8db51999fb6060e0794cfde16bfe4f73155339375ab126269bc3a835cc6788ea4c1516012b1465e75

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\EY3KXMB3\favicon[1].ico

    Filesize

    5KB

    MD5

    f3418a443e7d841097c714d69ec4bcb8

    SHA1

    49263695f6b0cdd72f45cf1b775e660fdc36c606

    SHA256

    6da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770

    SHA512

    82d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\U4IULL1L\favicon_v3[1].ico

    Filesize

    4KB

    MD5

    a217f758efdfff14053678dbe58fa4d0

    SHA1

    6e0eb512c2f386d645712d7ecbe339ea85cfca68

    SHA256

    f343b3015d0545a7d5b719a434135bcae2ac766ed459aeea671e3688b79d1875

    SHA512

    9bcf90fed875ffaf3170ef3425949642eb23b4e750cd42ba546d30e1a58c4fee1a14ccdbd31455a6a442d09372ccb3873bd7477a59853608bc87660fb578119f

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\U4IULL1L\recaptcha__en[1].js

    Filesize

    403KB

    MD5

    3e73dbef941895dfc538a9d6a69ed927

    SHA1

    dac57a54b2635c1d5e1e6ae44e95d12d0a547ad3

    SHA256

    d9d91ff5b9a775b5ce8c6c81e51e71c27194d11ac8690353727d23c91f7b317c

    SHA512

    51c03135ccb8a33a233876423cf8d7e6eb0e7e9b0916ace5cf7a1588661878fcd738e0c72338b0c1c0bddc489552037e40b62cec438f31852fb4ffaa3b514fbc