Analysis

  • max time kernel
    186s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2022 20:38

General

  • Target

    902bbb765ee439b7e745253a564e1e120da66baaa6444f5ec011ef627e97c8f7.exe

  • Size

    806KB

  • MD5

    3f9dbdad249935651eb0026d138c906b

  • SHA1

    69b0fe8ae2e1d97838dfeb6ab09008c83b22d6f4

  • SHA256

    902bbb765ee439b7e745253a564e1e120da66baaa6444f5ec011ef627e97c8f7

  • SHA512

    c223388456b265ea6a488ebf31febc0690d35e06be87991ae7dfbbd44b52c89e18ef4b4b66e3f353a51ae81f1e2345c96bcd9a3633034f4e3fc6c0f544bcbd3d

  • SSDEEP

    12288:xEncCP0UpnIIxU8H3Ek9aL4cLdWmcAMSWxxLdTT/unEIZUlxOnY7a+S:scaAIxL3EkyrLdsLldIKxQX/

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 5 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 3 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\902bbb765ee439b7e745253a564e1e120da66baaa6444f5ec011ef627e97c8f7.exe
    "C:\Users\Admin\AppData\Local\Temp\902bbb765ee439b7e745253a564e1e120da66baaa6444f5ec011ef627e97c8f7.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:4752
    • C:\Windows\SysWOW64\regedit.exe
      C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
      2⤵
      • Runs .reg file with regedit
      PID:2196
    • C:\Users\Admin\AppData\Local\Temp\902bbb765ee439b7e745253a564e1e120da66baaa6444f5ec011ef627e97c8f7.exe
      C:\Users\Admin\AppData\Local\Temp\902bbb765ee439b7e745253a564e1e120da66baaa6444f5ec011ef627e97c8f7.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:4768
      • C:\Windows\SysWOW64\regedit.exe
        C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
        3⤵
        • Runs .reg file with regedit
        PID:2040
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" C:\Windows\web\Inde.html
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4804
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE" C:\Windows\web\Inde.html
          4⤵
          • Modifies Internet Explorer settings
          PID:936

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

    3fa159a5d94bbfd26f70489efb715bcb

    SHA1

    219bad8bda17b5e8530fb8694addd783ee593b3d

    SHA256

    de3c2ccedc4225cda732141380e1750386cc58371afc4141798c9ce6f067d682

    SHA512

    d6355611682277fdcd58624deca4015ffa72a312962d05ee8c44ee2799197e2c7aa03b2bfb920ab1b1d1852482a3fa3deef26521b355ba47defea47f9cad2b40

  • 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/4752-132-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/4752-142-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/4768-139-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/4768-141-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB