Analysis

  • max time kernel
    7s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2022, 07:35

General

  • Target

    137aa5c2453c4608c7cefdef75350c26c4bb8215dcafc3e50c98a03b742a74f7.exe

  • Size

    802KB

  • MD5

    213331f6e326d00cc35018986b752d0c

  • SHA1

    fb5c8ff1b174df16bff5c2dd2702259383d00ab2

  • SHA256

    137aa5c2453c4608c7cefdef75350c26c4bb8215dcafc3e50c98a03b742a74f7

  • SHA512

    2a113149d4d67e6507ca67f2d9b6301c6d364a48df8025edec2e8776b51b56d6e5198657ddcf1f5d8d769cd50e23be180fb187f770a21f0aadf8b36d6b4a0ed0

  • SSDEEP

    12288:kJSipJ8uhi6UsqHnpQnJxZHDZ4eYSWxxLuUws/unEIZUlxOnY7a+0:s/S6UsqHn2LjZ4eKLTdIKxQXr

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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\137aa5c2453c4608c7cefdef75350c26c4bb8215dcafc3e50c98a03b742a74f7.exe
    "C:\Users\Admin\AppData\Local\Temp\137aa5c2453c4608c7cefdef75350c26c4bb8215dcafc3e50c98a03b742a74f7.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:912
    • C:\Windows\SysWOW64\regedit.exe
      C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
      2⤵
      • Runs .reg file with regedit
      PID:920
    • C:\Users\Admin\AppData\Local\Temp\137aa5c2453c4608c7cefdef75350c26c4bb8215dcafc3e50c98a03b742a74f7.exe
      C:\Users\Admin\AppData\Local\Temp\137aa5c2453c4608c7cefdef75350c26c4bb8215dcafc3e50c98a03b742a74f7.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:1864
      • C:\Windows\SysWOW64\regedit.exe
        C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
        3⤵
        • Runs .reg file with regedit
        PID:1232

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

    b686fa28b7a77cfba2e3f84de43eca87

    SHA1

    37d39b2da7f8ad32ab5d51f7283f93ea2c124d7a

    SHA256

    54f327c871fef41d08d53f812e9106f87e942b7d523edd95fbf523c64e596592

    SHA512

    a45d8f2cdb9beeb3fc71e72e1e7499d0040ff6679517f7ef6f819220ff2932a5030c1c4e3c47d849c0ede5a6542504db60ba2ccfaa4de834694bac97baec5013

  • 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/912-54-0x0000000075661000-0x0000000075663000-memory.dmp

    Filesize

    8KB

  • memory/912-66-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1864-65-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB