Analysis

  • max time kernel
    92s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 10:32

General

  • Target

    fea445de6e41ce7025f818dc6a6eddccf5eed38e6f7dc2d389be19a9cebce365.exe

  • Size

    14.8MB

  • MD5

    f2d26e9e38f67c5402d4ec26b6e7e023

  • SHA1

    05e6248c0902d36ade9df0e9cbd9a243f96ce054

  • SHA256

    fea445de6e41ce7025f818dc6a6eddccf5eed38e6f7dc2d389be19a9cebce365

  • SHA512

    9bab9ad3519a24d06206edc7f065ea30f525f2a9ee32bb1bce959e0cb7a1ab3f46346368bd5f6c7475e20994aed8e873731a4ef8b4838511918f662a20266c79

  • SSDEEP

    393216:HN4H3X8OlWVs7iN1QeulpRrQp17pZBf9:HNc2Vs7deuHR

Score
9/10

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fea445de6e41ce7025f818dc6a6eddccf5eed38e6f7dc2d389be19a9cebce365.exe
    "C:\Users\Admin\AppData\Local\Temp\fea445de6e41ce7025f818dc6a6eddccf5eed38e6f7dc2d389be19a9cebce365.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4848
    • C:\Users\Admin\AppData\Local\Temp\ytool\HEEeGHXVThDsN6h.exe
      "C:\Users\Admin\AppData\Local\Temp\fea445de6e41ce7025f818dc6a6eddccf5eed38e6f7dc2d389be19a9cebce365.exe" "C:\Users\Admin\AppData\Local\Temp\fea445de6e41ce7025f818dc6a6eddccf5eed38e6f7dc2d389be19a9cebce365.exe"
      2⤵
      • Looks for VirtualBox Guest Additions in registry
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1976
    • C:\Users\Admin\AppData\Local\Temp\京都江湖.exe
      "C:\Users\Admin\AppData\Local\Temp\京都江湖.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Enumerates connected drives
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:956
      • C:\Users\Admin\AppData\Local\Temp\RXJH2Game.exe
        "C:\Users\Admin\AppData\Local\Temp\RXJH2Game.exe" http://xkt.cac88.cn/...................
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1696
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 1384
          4⤵
          • Program crash
          PID:3624
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1696 -ip 1696
    1⤵
      PID:4128

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RXJH2Game.exe

      Filesize

      44KB

      MD5

      64a4ea2a47e049fc907279bde7a54b52

      SHA1

      66322364a9dc2156179de7fea5f1d0b930675670

      SHA256

      f965de4a8e553a7eb4853fbc2a0a982efa3e263edec1da4206ea5870c27af024

      SHA512

      4699ebc8304cad67cf0b5531854afc56846f7a77ffc7396640fabdc0e42fb760bafaf213aa4e0ca23961da831a60dd5ceefe11de7fa9767261a07301c34191b7

    • C:\Users\Admin\AppData\Local\Temp\yjs_log\log.log

      Filesize

      829B

      MD5

      95f9219fbc6c6d09949c8f29b1fc97ea

      SHA1

      b1e904a31be37c3536977b444761bb59d3c364bd

      SHA256

      07660db85797bb7071abd7b6b5c94074b299fade4c66a65ebbd307ea50072f7a

      SHA512

      edb87f90dbf217788709c6b480c0c126883492e2403bcb3b1672e393eacad1362b81f64ee173224078c77ce1df960cab6f45365596597f363c3455f4f3d596e4

    • C:\Users\Admin\AppData\Local\Temp\yjs_log\log.log

      Filesize

      6KB

      MD5

      3dd33ed93947a334c7e3dfcd0bbc96f9

      SHA1

      6dd2b488ae0eedf4a3fda00af071c293b2240017

      SHA256

      f2f6e12be2c01e4fc6695cfb2e193bf0dcbf7267d1edc6693a8e14671464deff

      SHA512

      f7839de6564f0df4830aebb00a7e1904c20dac3e93420dc60a6346f590089f5658406adfc5b96c74a3e3a6ac1f5f99c0c37a35b91621e23a5a8a7f3d13ac8e01

    • C:\Users\Admin\AppData\Local\Temp\ytool\HEEeGHXVThDsN6h.exe

      Filesize

      5.2MB

      MD5

      bd071dbab6417cb317d50d1b62fe082c

      SHA1

      ca84d0d018a4b4017cd641d1fc36a47b4348f4df

      SHA256

      11418cd83df43b5f6be435040f2d4242195df5a24dbe295ae26f2dcc5e430b7c

      SHA512

      89bac3f5542399f6c33ba350afc62a36e102bff2650b5ced36eb5f92a1cabfa8d26e19af1fc168b71d48a1c675028042a6d552e78ad64bdf946d14b798820437

    • C:\Users\Admin\AppData\Local\Temp\京都江湖.exe

      Filesize

      6.6MB

      MD5

      a579211b81cb5fa0f786a238469c51dc

      SHA1

      a3fc7a95bf080e592ebbcc5a6b7986db87fa58f0

      SHA256

      e3e84526ad020930059828bb03abe7cf3b22870ddf888a7cf5b5397d0fa508bf

      SHA512

      9dcab2dd1b6fdb142b495de12dd9bc149e43e7c49d63481598d349d3b96308e5b04b4739d6407ef8057fd8c9ac92932c3d9119e3211de5ca853f830ca842c642

    • memory/956-21-0x0000000001660000-0x0000000001661000-memory.dmp

      Filesize

      4KB

    • memory/956-19-0x0000000001650000-0x0000000001651000-memory.dmp

      Filesize

      4KB

    • memory/956-15-0x00000000015E0000-0x00000000015E1000-memory.dmp

      Filesize

      4KB

    • memory/956-17-0x0000000001630000-0x0000000001631000-memory.dmp

      Filesize

      4KB

    • memory/956-16-0x00000000015F0000-0x00000000015F1000-memory.dmp

      Filesize

      4KB

    • memory/956-25-0x0000000000400000-0x0000000001015000-memory.dmp

      Filesize

      12.1MB

    • memory/956-26-0x0000000000400000-0x0000000001015000-memory.dmp

      Filesize

      12.1MB

    • memory/956-20-0x0000000000486000-0x000000000096F000-memory.dmp

      Filesize

      4.9MB

    • memory/956-18-0x0000000001640000-0x0000000001641000-memory.dmp

      Filesize

      4KB

    • memory/956-14-0x0000000001150000-0x0000000001151000-memory.dmp

      Filesize

      4KB

    • memory/956-115-0x0000000000486000-0x000000000096F000-memory.dmp

      Filesize

      4.9MB

    • memory/956-116-0x0000000000400000-0x0000000001015000-memory.dmp

      Filesize

      12.1MB