Analysis

  • max time kernel
    77s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-03-2023 15:47

General

  • Target

    https://go.microsoft.com/fwlink/?LinkId=389363

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Modifies Internet Explorer settings 1 TTPs 36 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" https://go.microsoft.com/fwlink/?LinkId=389363
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1028
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1028 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:3688

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verEC1A.tmp
    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\feo4h2u\imagestore.dat
    Filesize

    17KB

    MD5

    f9a7b3fe231fa56837602d697ebb37c5

    SHA1

    379e079cd1dbfd0d3fd6dd749c3f973381d40fac

    SHA256

    794a429118c31319e6ba3f8b66e82a50ab971e24f37b2569f1d304a644d31d0d

    SHA512

    3e195998530b68a3c873b7cb53d5e95bbbdf36ebc1970e12a0dd353cd58eb6467269f4eaf97ce874a53543d44648111900a84c8ada1344a5c089af656c56a575

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\feo4h2u\imagestore.dat
    Filesize

    17KB

    MD5

    f9a7b3fe231fa56837602d697ebb37c5

    SHA1

    379e079cd1dbfd0d3fd6dd749c3f973381d40fac

    SHA256

    794a429118c31319e6ba3f8b66e82a50ab971e24f37b2569f1d304a644d31d0d

    SHA512

    3e195998530b68a3c873b7cb53d5e95bbbdf36ebc1970e12a0dd353cd58eb6467269f4eaf97ce874a53543d44648111900a84c8ada1344a5c089af656c56a575

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6K3GJRJ1\favicon[1].ico
    Filesize

    16KB

    MD5

    12e3dac858061d088023b2bd48e2fa96

    SHA1

    e08ce1a144eceae0c3c2ea7a9d6fbc5658f24ce5

    SHA256

    90cdaf487716184e4034000935c605d1633926d348116d198f355a98b8c6cd21

    SHA512

    c5030c55a855e7a9e20e22f4c70bf1e0f3c558a9b7d501cfab6992ac2656ae5e41b050ccac541efa55f9603e0d349b247eb4912ee169d44044271789c719cd01

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6K3GJRJ1\favicon[1].ico
    Filesize

    16KB

    MD5

    12e3dac858061d088023b2bd48e2fa96

    SHA1

    e08ce1a144eceae0c3c2ea7a9d6fbc5658f24ce5

    SHA256

    90cdaf487716184e4034000935c605d1633926d348116d198f355a98b8c6cd21

    SHA512

    c5030c55a855e7a9e20e22f4c70bf1e0f3c558a9b7d501cfab6992ac2656ae5e41b050ccac541efa55f9603e0d349b247eb4912ee169d44044271789c719cd01

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\WPCK8CWE\suggestions[1].en-US
    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee