Analysis

  • max time kernel
    205s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2022 14:56

General

  • Target

    dc6fdadc41f7c296168b3d2cca9e7e12ac9a396e89e98443de053fbe307149e7.exe

  • Size

    806KB

  • MD5

    9cb97ca4d8e61578c3ffe545819b2015

  • SHA1

    295db294e3d047409883608a3ad0443b90a58b0d

  • SHA256

    dc6fdadc41f7c296168b3d2cca9e7e12ac9a396e89e98443de053fbe307149e7

  • SHA512

    0466cb6f0009c4c6cdaaad3db01bef095ab5647718ac6dd52af4b28c8ccf18b4fb7c7940225f5c911aff5ec2b014ec0d8ed25626b15b386206596d765ccedace

  • SSDEEP

    12288:SEncCP0UpnIIxU8H3Ek9aL4cLdWv1kSWxxLaLs/unEIZUlxOnY7a+E:DcaAIxL3EkyrLdrLBdIKxQX9

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\dc6fdadc41f7c296168b3d2cca9e7e12ac9a396e89e98443de053fbe307149e7.exe
    "C:\Users\Admin\AppData\Local\Temp\dc6fdadc41f7c296168b3d2cca9e7e12ac9a396e89e98443de053fbe307149e7.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:668
    • C:\Windows\SysWOW64\regedit.exe
      C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
      2⤵
      • Runs .reg file with regedit
      PID:2764
    • C:\Users\Admin\AppData\Local\Temp\dc6fdadc41f7c296168b3d2cca9e7e12ac9a396e89e98443de053fbe307149e7.exe
      C:\Users\Admin\AppData\Local\Temp\dc6fdadc41f7c296168b3d2cca9e7e12ac9a396e89e98443de053fbe307149e7.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:1420
      • C:\Windows\SysWOW64\regedit.exe
        C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
        3⤵
        • Runs .reg file with regedit
        PID:1540

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

    53611e49cd79eaf31d9fd4b0ddf3c5d9

    SHA1

    2dc92cd0e228ed68f23052164c6c46991eba2bb7

    SHA256

    2d760dc3db652187fa905b6366ec2e29531697fdf43fd2fade92b852c2c5a38a

    SHA512

    8687a6bc27468232af795e7a2137aadb67bef07ba1f371a3aa300c1a71212f2a376a6c83431e7a16cfd0bd712bf48ca96d441fc7ea5f0ae427275651a6a76500

  • 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/668-132-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/668-142-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/1420-134-0x0000000000000000-mapping.dmp

  • memory/1420-138-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/1420-141-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/1540-136-0x0000000000000000-mapping.dmp

  • memory/2764-133-0x0000000000000000-mapping.dmp