Analysis

  • max time kernel
    134s
  • 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

    Skull_w_01.xml

  • Size

    2KB

  • MD5

    a89988f0a456c1d1892d9bee7615fef6

  • SHA1

    a21f2bb3d48719b7d760f8e36bd30ed2bbf29b62

  • SHA256

    32efa112a870ce51fd26561e2d37c76ef847bd034af3b67adcad61b1d6ade114

  • SHA512

    3f27b08acda13f2f1f59e56de4ec0822b77b8e3724cd4533fb0f34ece34499ffefe73fd66c57ea475768a14907dfe7a30411dc3f9a112e2151a8caa8764d5a3a

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\Skull_w_01.xml"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3324
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Skull_w_01.xml
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4568
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4568 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:224

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
    Filesize

    471B

    MD5

    f555af3f1b663a55df56040069b6097b

    SHA1

    ac566b3ec3882b349616e37dcce15f1470496361

    SHA256

    e9a0504f3aaee42e85baf24a611a6c237ba0de8c974cf2cb0b9f26913e445d5a

    SHA512

    8fca6bdd6356875a5e21d988cc809e6d062c1ee3271293f837968138fc4f302c5457707c4152a62b1ab8469c01c90d4dcde80bdbc210541ef12d151ff6edf1c2

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

    404B

    MD5

    e032c03fa15cff02791ca6c45c77b17c

    SHA1

    97f8b3f30e183f3a00ccfc376d381117abb3cbd2

    SHA256

    f09486c6d3af6f4a6998096e5f0585fec1de11268439ac1a5ebf525e5052059e

    SHA512

    549e23679efc56d6871d523306470c1c456beeef34250b2efe698fa71bf187de8af3c6343c9e025169478186c9e0025c1897eab63f659437013c7440ac585ce4

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0P80TOLA\suggestions[1].en-US
    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • memory/3324-133-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp
    Filesize

    64KB

  • memory/3324-134-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp
    Filesize

    64KB

  • memory/3324-135-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp
    Filesize

    64KB

  • memory/3324-136-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp
    Filesize

    64KB

  • memory/3324-137-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp
    Filesize

    64KB

  • memory/3324-138-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp
    Filesize

    64KB

  • memory/3324-139-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp
    Filesize

    64KB

  • memory/3324-140-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp
    Filesize

    64KB

  • memory/3324-141-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp
    Filesize

    64KB