Analysis

  • max time kernel
    47s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2022, 13:38

General

  • Target

    b29e299d59868f1e5b6bc87f794ca0b05579a2dc141ab39e9aef01dff1826472.exe

  • Size

    806KB

  • MD5

    ee5f825a256f24f911b97840e4c1d7f5

  • SHA1

    2843b5acf6a19f42a60cc0ea88562b55bd99fa08

  • SHA256

    b29e299d59868f1e5b6bc87f794ca0b05579a2dc141ab39e9aef01dff1826472

  • SHA512

    a4689cac18537a0ce1125edd52a90626b50308cc916bcb935b688af5096b0880a431ad9064bf52bc7737d10ea110b55e17fed29b61d5424ff05efe99a9454914

  • SSDEEP

    12288:GEncCP0UpnIIxU8H3Ek9aL4cLdWIApSWxxLfps/unEIZUlxOnY7a+/:HcaAIxL3EkyrLduLEdIKxQXE

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\b29e299d59868f1e5b6bc87f794ca0b05579a2dc141ab39e9aef01dff1826472.exe
    "C:\Users\Admin\AppData\Local\Temp\b29e299d59868f1e5b6bc87f794ca0b05579a2dc141ab39e9aef01dff1826472.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:860
    • C:\Windows\SysWOW64\regedit.exe
      C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
      2⤵
      • Runs .reg file with regedit
      PID:1344
    • C:\Users\Admin\AppData\Local\Temp\b29e299d59868f1e5b6bc87f794ca0b05579a2dc141ab39e9aef01dff1826472.exe
      C:\Users\Admin\AppData\Local\Temp\b29e299d59868f1e5b6bc87f794ca0b05579a2dc141ab39e9aef01dff1826472.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:840
      • C:\Windows\SysWOW64\regedit.exe
        C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
        3⤵
        • Runs .reg file with regedit
        PID:1736

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

          d35b4e43b3ac3899af44c03379e8383a

          SHA1

          a68b6072a101a93da10dc42568f38b3e8f262e90

          SHA256

          f7c06f2af4ec733be046c58582cf8a2fcb99ad2a75cacb2dae7bceb2a4f436f9

          SHA512

          4e63d4e47f3a6172f0e4cf285bafd32554330334a5e01eb0fd7676089721c885f42141ba9c875383cbac7af97c2e21e4090d9edd0841069c1e84ff22911ad590

        • 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/840-65-0x0000000000400000-0x00000000004DD000-memory.dmp

          Filesize

          884KB

        • memory/860-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

          Filesize

          8KB

        • memory/860-66-0x0000000000400000-0x00000000004DD000-memory.dmp

          Filesize

          884KB