Analysis

  • max time kernel
    132s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2023 06:17

General

  • Target

    WorldSheet-hd.xml

  • Size

    4KB

  • MD5

    3cdf5ffef83eded94687a8f5e66a282d

  • SHA1

    1d70bfa7ad40c00b1ba3ac5634e1581a5c911b26

  • SHA256

    b888b88d3fb772bc0cf5626ff998b4dfe91b5d5a90f56ba686017623f7044222

  • SHA512

    e3fc2184f176bc5fb28746662591b256a66fd42c84c896fe5ef5f01a3836ee764201993432bc5fee5c830c266b79649f6e61a79812e426f943d525b3e930dff3

  • SSDEEP

    96:/y+SYk/NusOJYk/N6YhlYk/N/fOJYkALnfpvYkAz6XHGKYk+I+WlpYkGrBEYXZtd:aeKh

Score
1/10

Malware Config

Signatures

  • 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 5 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE
    "C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\WorldSheet-hd.xml"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\WorldSheet-hd.xml
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1100
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1100 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:3568

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\ver49DA.tmp
    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P8NMKCW2\suggestions[1].en-US
    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • memory/2020-133-0x00007FF84D990000-0x00007FF84D9A0000-memory.dmp
    Filesize

    64KB

  • memory/2020-134-0x00007FF84D990000-0x00007FF84D9A0000-memory.dmp
    Filesize

    64KB

  • memory/2020-135-0x00007FF84D990000-0x00007FF84D9A0000-memory.dmp
    Filesize

    64KB

  • memory/2020-136-0x00007FF84D990000-0x00007FF84D9A0000-memory.dmp
    Filesize

    64KB

  • memory/2020-137-0x00007FF84D990000-0x00007FF84D9A0000-memory.dmp
    Filesize

    64KB

  • memory/2020-138-0x00007FF84D990000-0x00007FF84D9A0000-memory.dmp
    Filesize

    64KB

  • memory/2020-139-0x00007FF84D990000-0x00007FF84D9A0000-memory.dmp
    Filesize

    64KB

  • memory/2020-140-0x00007FF84D990000-0x00007FF84D9A0000-memory.dmp
    Filesize

    64KB

  • memory/2020-141-0x00007FF84D990000-0x00007FF84D9A0000-memory.dmp
    Filesize

    64KB