Analysis

  • max time kernel
    135s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2023, 21:33

General

  • Target

    http://outlook.office365.com

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 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" http://outlook.office365.com
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2604 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2080

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

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

          Filesize

          471B

          MD5

          8b82e64a7691fb70aec48c12c37eb312

          SHA1

          96084b73e24ced2adea93695f71a62092771ce79

          SHA256

          5e1b36f0cccb94221d862d2fe35c892d699d397a87f74f18a668a57ba7ef8d5e

          SHA512

          36802e6043f76d717a376d762f84e89be4bf5b6675bcc662f9f768dfe6487582654333ede1f871cadaa5b5120ad5147ca81bd79b5092623d38f1fbf4037237f8

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

          Filesize

          404B

          MD5

          9d303f4c184d8c58b4a78082eae2af51

          SHA1

          b3584b368de989f1e43f5f5016246ec4a3a13c1a

          SHA256

          0b871130adf7a76784fb6e0a74b200b7979333958e21ad8cb5d9d5e8fc533c9c

          SHA512

          3a12bc007bf1a7b1d5a03801d6c53c80e3348eb5f4a6ffbdf682bb2c2fdf6e4dfc2065e2ebaf1f59a9413ef25bc0214983abf20a67c3114c7e613d4e5f9b6fde

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\DomainSuggestions\en-US.1

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

          Filesize

          18KB

          MD5

          6d81c092303c28496293be7e09d7da42

          SHA1

          1594219649ef8af83c9beda9504cbf9894a0a69f

          SHA256

          f9887337e9151d13dd75cd6e907b3eb0fa8e085a65c65cca73c7912b678bbb48

          SHA512

          23fc9f11e4a472a2b068eda95f44f82e43858b70a38fc54112a9989fdc0da2ee42332fc8908a141b1aa0ef7d7b16c3a276371ef55c455084052667e723c76be9

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

          Filesize

          18KB

          MD5

          6d81c092303c28496293be7e09d7da42

          SHA1

          1594219649ef8af83c9beda9504cbf9894a0a69f

          SHA256

          f9887337e9151d13dd75cd6e907b3eb0fa8e085a65c65cca73c7912b678bbb48

          SHA512

          23fc9f11e4a472a2b068eda95f44f82e43858b70a38fc54112a9989fdc0da2ee42332fc8908a141b1aa0ef7d7b16c3a276371ef55c455084052667e723c76be9

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\EY3KXMB3\favicon_a_eupayfgghqiai7k9sol6lg2[1].ico

          Filesize

          16KB

          MD5

          12e3dac858061d088023b2bd48e2fa96

          SHA1

          e08ce1a144eceae0c3c2ea7a9d6fbc5658f24ce5

          SHA256

          90cdaf487716184e4034000935c605d1633926d348116d198f355a98b8c6cd21

          SHA512

          c5030c55a855e7a9e20e22f4c70bf1e0f3c558a9b7d501cfab6992ac2656ae5e41b050ccac541efa55f9603e0d349b247eb4912ee169d44044271789c719cd01