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Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 08:32

General

  • Target

    0f1afcfae5ba79c1b23a21fa9836f08804ea4d817475c5c0e1c1ac671e11c4f9.exe

  • Size

    802KB

  • MD5

    8966b4004330a4dbc2fa3b7a9d2757c2

  • SHA1

    c6f4b5d14298394d7205bf03686be247d42133b7

  • SHA256

    0f1afcfae5ba79c1b23a21fa9836f08804ea4d817475c5c0e1c1ac671e11c4f9

  • SHA512

    2eddf712c0c144190b9d28658248e69507c6fdb9139c7a241740a72622575bf6975c7f0887c49095a8c08df773e7a31b60290642a3845ac6d60eedbd2d20af6c

  • SSDEEP

    12288:LJ2qJ5Fud2OsPvrn5QnJZyzjhlqWSWxxL5V44s/unEIZUlxOnY7a+B:nPROsPvrnGI/hlqsLkdIKxQX2

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 53 IoCs
  • Runs .reg file with regedit 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f1afcfae5ba79c1b23a21fa9836f08804ea4d817475c5c0e1c1ac671e11c4f9.exe
    "C:\Users\Admin\AppData\Local\Temp\0f1afcfae5ba79c1b23a21fa9836f08804ea4d817475c5c0e1c1ac671e11c4f9.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Drops file in Drivers directory
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Windows\SysWOW64\regedit.exe
      C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
      2⤵
      • Runs .reg file with regedit
      PID:1932
    • C:\Users\Admin\AppData\Local\Temp\0f1afcfae5ba79c1b23a21fa9836f08804ea4d817475c5c0e1c1ac671e11c4f9.exe
      C:\Users\Admin\AppData\Local\Temp\0f1afcfae5ba79c1b23a21fa9836f08804ea4d817475c5c0e1c1ac671e11c4f9.exe
      2⤵
      • Drops file in Drivers directory
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies Internet Explorer start page
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4408
      • C:\Windows\SysWOW64\regedit.exe
        C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
        3⤵
        • Runs .reg file with regedit
        PID:3544

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\System\taobao.ico

    Filesize

    14KB

    MD5

    468fada123f5548ac87e57bae81f6782

    SHA1

    edb8f012c25906e6afd8bf335b495e16c440243d

    SHA256

    091c882bb307d57f2c7c42309e7ba8740130fef8c3ed772b0bc5e5505e37034d

    SHA512

    635ec26c88c2394dd4f2a81b9aea8f429a91adfeb37ae34e51b03f3cf8e503c123c3685938f40cea07d6146e0c7113aadbe62fa528f1f6d8b995e617fd68a4aa

  • C:\WINDOWS\system32\drivers\etc\hosts

    Filesize

    3KB

    MD5

    3835f4c887d97ad277447bcbb854f886

    SHA1

    99e3ae188e1b1e176e9ca302949dc56305b885d7

    SHA256

    a77d56a6611565bd8b6e854f9342bd73de78dff4b3d690c8c2933101799a91e7

    SHA512

    aa3b0d2d7bac2d344cea5749fbd2f9bb1e75e01f740c4cd51e6e91c75472cef5efed2eb73e6f06e4672aeb93cb5460728fde33e0c86c6353833faa166deb199b

  • C:\Windows\SysWOW64\msscp.reg

    Filesize

    228B

    MD5

    2d06a424ad1c7611ea9caad93892ea26

    SHA1

    a901e15c2ecea498f1ca8ffc5d5c32bd3f0169d8

    SHA256

    8c19027357bcb3170b6844aec44cd4c143c7b795d5df52ff89426615010f715c

    SHA512

    3199dffce9d7625d9e01d7a06c912d3629e5f3d98d3935763df6b323807d46f24a40876d78d5ae7f7ac83c90e498e7c4810d88993904dbca1036e8c06833ccdf

  • C:\Windows\SysWOW64\msscp.reg

    Filesize

    228B

    MD5

    2d06a424ad1c7611ea9caad93892ea26

    SHA1

    a901e15c2ecea498f1ca8ffc5d5c32bd3f0169d8

    SHA256

    8c19027357bcb3170b6844aec44cd4c143c7b795d5df52ff89426615010f715c

    SHA512

    3199dffce9d7625d9e01d7a06c912d3629e5f3d98d3935763df6b323807d46f24a40876d78d5ae7f7ac83c90e498e7c4810d88993904dbca1036e8c06833ccdf

  • memory/1244-133-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1244-142-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/4408-139-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/4408-141-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB