Analysis

  • max time kernel
    40s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2022, 11:08

General

  • Target

    2836023956e829030f6dd5daf1dccf494f5925b712e2cf56a7077f642d108fd3.exe

  • Size

    802KB

  • MD5

    bc5c0dd5dfdceff0f859e01e6217306b

  • SHA1

    c82f4d64a20696b6fc1790cef5350a017c000cfb

  • SHA256

    2836023956e829030f6dd5daf1dccf494f5925b712e2cf56a7077f642d108fd3

  • SHA512

    9c99fbdb5b548df1993a28106c598325bc69b71ee5679e673719897ff4c765d240b875962b9d3f6177aaee165f2a21aeebd88b0bf22c87dd4285b7a947ebdd34

  • SSDEEP

    12288:Y0HciP1QpOpzG82y3R4aEjMstaWxX+SWxxLdTT/unEIZUlxOnY7a+i:dcahzGg3RsYsscXULldIKxQXZ

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\2836023956e829030f6dd5daf1dccf494f5925b712e2cf56a7077f642d108fd3.exe
    "C:\Users\Admin\AppData\Local\Temp\2836023956e829030f6dd5daf1dccf494f5925b712e2cf56a7077f642d108fd3.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:1176
    • C:\Windows\SysWOW64\regedit.exe
      C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
      2⤵
      • Runs .reg file with regedit
      PID:2040
    • C:\Users\Admin\AppData\Local\Temp\2836023956e829030f6dd5daf1dccf494f5925b712e2cf56a7077f642d108fd3.exe
      C:\Users\Admin\AppData\Local\Temp\2836023956e829030f6dd5daf1dccf494f5925b712e2cf56a7077f642d108fd3.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:1704
      • C:\Windows\SysWOW64\regedit.exe
        C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
        3⤵
        • Runs .reg file with regedit
        PID:1892

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

    93015cfae11667b7eba1685ff3d9aa8d

    SHA1

    f20da3b04ba43b7fa4e92d4959f5d5dae8dc1c00

    SHA256

    2ab520ae88ef41da139fc824783c9efd9f33923c222a47db4d0522893db29c22

    SHA512

    ced75956edb894685f4baa558a444afb3fa1409118713e8c791a398c7c8d501dc48ef328bba429533e5ddb8e4e0c5606e5a659edcbfe5a3ff56bf522c6e627a3

  • 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/1176-63-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1176-64-0x0000000002010000-0x00000000020EC000-memory.dmp

    Filesize

    880KB

  • memory/1176-54-0x00000000762D1000-0x00000000762D3000-memory.dmp

    Filesize

    8KB

  • memory/1176-69-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1704-65-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1704-68-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB