Analysis

  • max time kernel
    142s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 09:32

General

  • Target

    75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe

  • Size

    7.1MB

  • MD5

    4bf2e67583e9436eb0281657f8c512d6

  • SHA1

    d4b95b0237bbea566599a08871780f0876840137

  • SHA256

    75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d

  • SHA512

    0514e851fde655d686ed73e8c9776713550abece4a592f0c8ecfb5d8b0fea46f4005856fbaadf752eaf94974b3cf090760f6b159e953d4b654ebe4ccd61d0d4e

  • SSDEEP

    98304:EbGkSM3n+WYFSLUhjquhPf6anUQRRLu6C+YTF3q9SzNx06evtwL485wFal6MaB:YGKn5ovhjLFSan1ugYXNYOLZN8B

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 31 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe
    "C:\Users\Admin\AppData\Local\Temp\75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3384
    • C:\kaidisoft\bilibilivideo\75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe
      "C:\kaidisoft\bilibilivideo\75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4972

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\E2EECore.3.3.9.dll

          Filesize

          10.6MB

          MD5

          50c266e46ccf9bc8956279f78d51f205

          SHA1

          0ba5b98a91a9a019cd9b87cf01796c65ee6a0839

          SHA256

          c58e066a293ff260037487d37e37bf3d890c16383d817c7573dab51c514cbd00

          SHA512

          7350a82820faeba3172fad3d87b04c6a2967b797a321a78a53e7156c37fed4661a66d2f78e2f3ddbcbc0d10a56f5d761f7eb761f05d2841568b34841c17e0d37

        • C:\kaidisoft\bilibilivideo\75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe

          Filesize

          7.1MB

          MD5

          4bf2e67583e9436eb0281657f8c512d6

          SHA1

          d4b95b0237bbea566599a08871780f0876840137

          SHA256

          75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d

          SHA512

          0514e851fde655d686ed73e8c9776713550abece4a592f0c8ecfb5d8b0fea46f4005856fbaadf752eaf94974b3cf090760f6b159e953d4b654ebe4ccd61d0d4e

        • memory/3384-0-0x0000000000400000-0x0000000000D2F000-memory.dmp

          Filesize

          9.2MB

        • memory/3384-20-0x0000000000400000-0x0000000000D2F000-memory.dmp

          Filesize

          9.2MB

        • memory/4972-42-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-34-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-64-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-62-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-61-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-58-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-56-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-54-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-50-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-48-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-46-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-44-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-21-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-40-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-38-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-67-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-32-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-30-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-28-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-26-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-25-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-24-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-52-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-36-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-23-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-68-0x0000000076D13000-0x0000000076D14000-memory.dmp

          Filesize

          4KB

        • memory/4972-72-0x0000000000400000-0x0000000000D2F000-memory.dmp

          Filesize

          9.2MB

        • memory/4972-74-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4972-75-0x0000000076D13000-0x0000000076D14000-memory.dmp

          Filesize

          4KB

        • memory/4972-81-0x0000000000400000-0x0000000000D2F000-memory.dmp

          Filesize

          9.2MB