Analysis

  • max time kernel
    332s
  • max time network
    392s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2022 19:46

General

  • Target

    f19d35d3543de183b640b6000444eec14a089ee57160b3a57dc08df019b09c15.exe

  • Size

    806KB

  • MD5

    35b89776b50141d758bd756ffc8fac52

  • SHA1

    bb4932993d21c77954ebce75ed6626754d837bfa

  • SHA256

    f19d35d3543de183b640b6000444eec14a089ee57160b3a57dc08df019b09c15

  • SHA512

    9af29f0ae9989e73374e44644d6392ff4c41da7d9d6c06ac17a4b923c7b382ee050f7b27c3893083d10ceb131150b470d5cff8cf7683c15edf107c75f7103e05

  • SSDEEP

    12288:PEncCP0UpnIIxU8H3Ek9aL4cLdWSAjSWxxLdTT/unEIZUlxOnY7a+Y:WcaAIxL3EkyrLdKLldIKxQXN

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\f19d35d3543de183b640b6000444eec14a089ee57160b3a57dc08df019b09c15.exe
    "C:\Users\Admin\AppData\Local\Temp\f19d35d3543de183b640b6000444eec14a089ee57160b3a57dc08df019b09c15.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:2612
    • C:\Windows\SysWOW64\regedit.exe
      C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
      2⤵
      • Runs .reg file with regedit
      PID:4168
    • C:\Users\Admin\AppData\Local\Temp\f19d35d3543de183b640b6000444eec14a089ee57160b3a57dc08df019b09c15.exe
      C:\Users\Admin\AppData\Local\Temp\f19d35d3543de183b640b6000444eec14a089ee57160b3a57dc08df019b09c15.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:1316
      • C:\Windows\SysWOW64\regedit.exe
        C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
        3⤵
        • Runs .reg file with regedit
        PID:4948

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

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

    c222e90855927c8bada0db3c15b7a564

    SHA1

    8d2d6ea8dc8946b6e3aebc1f89f3bd6f763edda8

    SHA256

    c9ce78cd0dcfa30e3307c1d9ce0bf6caadbe5e88e78d80aff58207cf798e8fda

    SHA512

    07752a4cee6f4b495a404ef2acab0ec66427831ae0941d96e36134b2f423379f96f8dfb49f506d2e37b7a66e81874eb7b4b029a9c3a74609d9edc4c45eb70608

  • 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/1316-135-0x0000000000000000-mapping.dmp

  • memory/1316-139-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/1316-142-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2612-132-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2612-140-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2612-143-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/4168-133-0x0000000000000000-mapping.dmp

  • memory/4948-136-0x0000000000000000-mapping.dmp