Analysis

  • max time kernel
    39s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2022 11:09

General

  • Target

    1455a788f32c2610d76a6e71a866084a03dd07820c9386f3bce0cefb60589c88.exe

  • Size

    802KB

  • MD5

    dc4181445e7e3cb02d6073f6555ed50a

  • SHA1

    1dad5bb9857feaea46f02f7cf5629b3c1d8ea560

  • SHA256

    1455a788f32c2610d76a6e71a866084a03dd07820c9386f3bce0cefb60589c88

  • SHA512

    34d4f2a9d9aa4fca012d4a7f3cb7bec9471421976ea971c41aacfb6a858a01de9ba70a8e300e72df3398157ff6c1102c80231c99a60275a4f1a2de517bff4cac

  • SSDEEP

    12288:60HciP1QpOpzG82y3R4aEjMstaWWX2SWxxLfps/unEIZUlxOnY7a+q:7cahzGg3RsYssrXMLEdIKxQXX

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\1455a788f32c2610d76a6e71a866084a03dd07820c9386f3bce0cefb60589c88.exe
    "C:\Users\Admin\AppData\Local\Temp\1455a788f32c2610d76a6e71a866084a03dd07820c9386f3bce0cefb60589c88.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:1044
    • C:\Windows\SysWOW64\regedit.exe
      C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
      2⤵
      • Runs .reg file with regedit
      PID:1528
    • C:\Users\Admin\AppData\Local\Temp\1455a788f32c2610d76a6e71a866084a03dd07820c9386f3bce0cefb60589c88.exe
      C:\Users\Admin\AppData\Local\Temp\1455a788f32c2610d76a6e71a866084a03dd07820c9386f3bce0cefb60589c88.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:2012
      • C:\Windows\SysWOW64\regedit.exe
        C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
        3⤵
        • Runs .reg file with regedit
        PID:1976

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

    c46df81032894dc582814afa18a236cc

    SHA1

    655d289be3e59a423574d1b5e36c583b2082258f

    SHA256

    e5d2e1a20df1e8c061109cab92b9de354aa490f6a9c7d78f848c7edda5c0ec1f

    SHA512

    22ca98bdfa271197f9281c9a8e7f77bfb7f04e3977651694fb968c6669bebe2976422e3e6f1f472f99c6e2d73c9e9687a03277f8ddb34599e6225ae9aee3526c

  • 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/1044-54-0x00000000756A1000-0x00000000756A3000-memory.dmp

    Filesize

    8KB

  • memory/1044-55-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1044-68-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1528-56-0x0000000000000000-mapping.dmp

  • memory/1976-61-0x0000000000000000-mapping.dmp

  • memory/2012-58-0x0000000000000000-mapping.dmp

  • memory/2012-65-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/2012-67-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB