Analysis

  • max time kernel
    132s
  • max time network
    236s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2022 18:57

General

  • Target

    WhatsApp/About/WinCal.xml

  • Size

    1KB

  • MD5

    bede56a7aef6b3db49ab7d2eb3f2870a

  • SHA1

    bc18289b953a8ac6c0c8e519f72e6adee933ff98

  • SHA256

    1fc29fc668043aa03ffeb2d61868d3369479c3cef2c4725d162cf5344dcbdcfa

  • SHA512

    2bde0a5f1983b08379c262f86aadf8635834674981faf7feb3ebc39b12ece95b21203be82fde2fe88f6a662836374a7ac3d6fb8057d5273923259b3af206a3a6

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 39 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\WhatsApp\About\WinCal.xml"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\WhatsApp\About\WinCal.xml
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1876
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1876 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

    15afcebf1b296be7a78fac9d3700ef3d

    SHA1

    c2210c056209dc67b283c3e5b5963e134479e4c3

    SHA256

    4cab446eedf9d32c7e41482cac22a453dabcdbb0abb924801aefcc3c364636cb

    SHA512

    ae33f97863d9de21fe642d432a0983aba3206b00e15f9430728a03127067424749d88a51ed1f59ffa6cd8428fb10701ed83b148f4f57ca0cd61553086c68c551

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

    404B

    MD5

    426857710298ece33fe1be75034d5764

    SHA1

    481b77ec821b1ba575a14a3076d6dedce86a818b

    SHA256

    c3a28e143ceb1defce88555d6f922b552a90fb5905ba69d77d84ad09fb76dec0

    SHA512

    1e452a5bbc6c91de7990627bba3b4d2d5f40e72940572ce72cc4232c92327ec2302c65a3ce8c977b151667ece37723e0a18908e59fae3f1a4889cba0afc82ec6

  • memory/2796-132-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp
    Filesize

    64KB

  • memory/2796-133-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp
    Filesize

    64KB

  • memory/2796-134-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp
    Filesize

    64KB

  • memory/2796-135-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp
    Filesize

    64KB

  • memory/2796-136-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp
    Filesize

    64KB

  • memory/2796-137-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp
    Filesize

    64KB

  • memory/2796-138-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp
    Filesize

    64KB

  • memory/2796-139-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp
    Filesize

    64KB

  • memory/2796-140-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp
    Filesize

    64KB