Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03/02/2024, 11:55

General

  • Target

    8c430582aa8c6acda202dee90134917d.exe

  • Size

    452KB

  • MD5

    8c430582aa8c6acda202dee90134917d

  • SHA1

    813532cce0d2396c414f5ee8fa0c2228cd1cd51b

  • SHA256

    9ea67cf7890d0c8e66705b22e09323d837a6d6a9e2bb99ad5eca680af4f99dce

  • SHA512

    664798aaf1efb656723d1b15245dedbd5c10d5e069318694dbe616c07c203fb3b69d3bea86baab54e6ce564b1ff028e8cd70590d1770b8af479ca70d97fea7e2

  • SSDEEP

    3072:M93lkePvxGpSNE8bWwlco8LFYyxC1Q4liXLwtZdfP5HEv5ic5VXcnr8+5xik:M5Q4/p7Ccr8+v

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 10 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c430582aa8c6acda202dee90134917d.exe
    "C:\Users\Admin\AppData\Local\Temp\8c430582aa8c6acda202dee90134917d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\FVaAQ.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "webservices" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\temp\webhost.exe" /f
        3⤵
        • Adds Run key to start application
        PID:2744
    • C:\Users\Admin\AppData\Roaming\temp\webhost.exe
      "C:\Users\Admin\AppData\Roaming\temp\webhost.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2596
      • C:\Users\Admin\AppData\Roaming\temp\webhost.exe
        "C:\Users\Admin\AppData\Roaming\temp\webhost.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:456
        • C:\Users\Admin\AppData\Local\Temp\scvhost.exe
          "C:\Users\Admin\AppData\Local\Temp\scvhost.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2156
          • C:\Users\Admin\AppData\Local\Temp\scvhost.exe
            "C:\Users\Admin\AppData\Local\Temp\scvhost.exe"
            5⤵
            • Executes dropped EXE
            PID:2832
      • C:\Users\Admin\AppData\Roaming\temp\webhost.exe
        "C:\Users\Admin\AppData\Roaming\temp\webhost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2652

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\FVaAQ.bat

          Filesize

          143B

          MD5

          fb7019d3ef98b9faf7a66f135f6f0ec3

          SHA1

          098ea69ee5c51d00d6390c12ac87400506da2dd2

          SHA256

          11b7772cf1bb1b86ac64817c37a84bca455f77b25b601d75014217220a895455

          SHA512

          c661c501da8988e2806f9347b7fb58c9da05168d564dbea0a59a748fd8b7bf01c04bf19dbf6d3c737c2e8db4c1399f6981d3f5498b604ff2b05a52e0863f5630

        • \Users\Admin\AppData\Roaming\temp\webhost.exe

          Filesize

          452KB

          MD5

          8c430582aa8c6acda202dee90134917d

          SHA1

          813532cce0d2396c414f5ee8fa0c2228cd1cd51b

          SHA256

          9ea67cf7890d0c8e66705b22e09323d837a6d6a9e2bb99ad5eca680af4f99dce

          SHA512

          664798aaf1efb656723d1b15245dedbd5c10d5e069318694dbe616c07c203fb3b69d3bea86baab54e6ce564b1ff028e8cd70590d1770b8af479ca70d97fea7e2

        • memory/456-38-0x0000000000400000-0x000000000040D000-memory.dmp

          Filesize

          52KB

        • memory/456-43-0x0000000000400000-0x000000000040D000-memory.dmp

          Filesize

          52KB

        • memory/456-47-0x0000000000400000-0x000000000040D000-memory.dmp

          Filesize

          52KB

        • memory/456-65-0x0000000000400000-0x000000000040D000-memory.dmp

          Filesize

          52KB

        • memory/2652-46-0x0000000000400000-0x0000000000407000-memory.dmp

          Filesize

          28KB

        • memory/2652-51-0x0000000000400000-0x0000000000407000-memory.dmp

          Filesize

          28KB

        • memory/2652-49-0x0000000000400000-0x0000000000407000-memory.dmp

          Filesize

          28KB

        • memory/2652-48-0x0000000000020000-0x0000000000022000-memory.dmp

          Filesize

          8KB

        • memory/2652-42-0x0000000000400000-0x0000000000407000-memory.dmp

          Filesize

          28KB

        • memory/2652-74-0x0000000000400000-0x0000000000407000-memory.dmp

          Filesize

          28KB

        • memory/2652-78-0x0000000000020000-0x0000000000022000-memory.dmp

          Filesize

          8KB

        • memory/2832-73-0x0000000000400000-0x000000000040D000-memory.dmp

          Filesize

          52KB

        • memory/2832-75-0x0000000000400000-0x000000000040D000-memory.dmp

          Filesize

          52KB