Analysis

  • max time kernel
    134s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-03-2023 22:57

General

  • Target

    wallpaper_engine/ChromaAppInfo.xml

  • Size

    389B

  • MD5

    ff0523bc1260815eabddb61bab4ece8d

  • SHA1

    adcda7584caecc8ec9be7732c8c187877b0a0410

  • SHA256

    cca2a688e945d08a0f4c047f18ab99c90e50e4781ae74c9bff7af686847c5e0a

  • SHA512

    2b1f44a2f35608b5cfbef22e0275a4b5035968474a8e2ea0e5ca087b0070fbd58ba7b9ca5a58fbb7bedb2145aed2600c23d974834360a92cac332d383ad17f67

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 39 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\wallpaper_engine\ChromaAppInfo.xml"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3520
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\wallpaper_engine\ChromaAppInfo.xml
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2884 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4484

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\Windows\INetCache\IE\39K1WZBJ\suggestions[1].en-US
    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • memory/3520-133-0x00007FF981F10000-0x00007FF981F20000-memory.dmp
    Filesize

    64KB

  • memory/3520-134-0x00007FF981F10000-0x00007FF981F20000-memory.dmp
    Filesize

    64KB

  • memory/3520-135-0x00007FF981F10000-0x00007FF981F20000-memory.dmp
    Filesize

    64KB

  • memory/3520-136-0x00007FF981F10000-0x00007FF981F20000-memory.dmp
    Filesize

    64KB

  • memory/3520-137-0x00007FF981F10000-0x00007FF981F20000-memory.dmp
    Filesize

    64KB