Analysis

  • max time kernel
    132s
  • max time network
    150s
  • 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, 21:34

General

  • Target

    http://outlook.office365.com

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 29 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:3156
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3156 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:3720

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    17KB

    MD5

    348bfdeb3869786aba321e3012aa48ac

    SHA1

    f712ef45e001b87cdaef4a40e8fed965a1f9ab8a

    SHA256

    b87ef4c371515de56fe53515fb8bd646b43e86b5d0e1902a6f32dd194919c717

    SHA512

    751a1fea691527dbd3e6da427eb2a1da02c6e9d66c5687f8acca60f0368580b3b182c92b99af195941c6beeab6df86cc368a5296fd9af1ad43b5bb521f5dd583

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

    Filesize

    18KB

    MD5

    594fe04135882f9b0cbb039678630f3a

    SHA1

    051196881ce02fcf17fdbc3877ac1769c1cf99e7

    SHA256

    949352f7e4f1cb6daeca58034461f0369e6dc38eb8a9458cd894228502e581fd

    SHA512

    058157f5065eab2886ec9eb82877214df6156a905952a279573a12131e805d1719d0f0626f20d060879fc9a3e3f94f41e938b3293e6a7b23410ee9b17195c7c3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\S1Q31HZS\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYL8D8JJ\favicon_a_eupayfgghqiai7k9sol6lg2[1].ico

    Filesize

    16KB

    MD5

    12e3dac858061d088023b2bd48e2fa96

    SHA1

    e08ce1a144eceae0c3c2ea7a9d6fbc5658f24ce5

    SHA256

    90cdaf487716184e4034000935c605d1633926d348116d198f355a98b8c6cd21

    SHA512

    c5030c55a855e7a9e20e22f4c70bf1e0f3c558a9b7d501cfab6992ac2656ae5e41b050ccac541efa55f9603e0d349b247eb4912ee169d44044271789c719cd01