Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    06/02/2024, 02:23

General

  • Target
    0d711f2049a6004cffe447dab78cd7e5.pdf
  • Size 925KB
  • Sample240206-cvjessdba8
  • SHA256 2ac705860b71aed9b7528a62ed1042723f6f7b4c16fb0edf4cddcf09a709c9f7
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\0d711f2049a6004cffe447dab78cd7e5.pdf"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ""%temp%\svchost.exe""
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Users\Admin\AppData\Local\Temp\SVCHOST.EXE
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2784
        • C:\Windows\SysWOW64\explorer.exe
          explorer
          4⤵
            PID:2676
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c del /F C:\Users\Admin\AppData\Local\Temp\SVCHOST.EXE
            4⤵
              PID:2600
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c ""%temp%\AdobeARM.exe" "C:\Users\Admin\AppData\Local\Temp\----Amph Ops - AF aspects.pdf""
          2⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2852
          • C:\Users\Admin\AppData\Local\Temp\AdobeARM.exe
            "C:\Users\Admin\AppData\Local\Temp\AdobeARM.exe" "C:\Users\Admin\AppData\Local\Temp\----Amph Ops - AF aspects.pdf"
            3⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2860
            • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
              "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\----Amph Ops - AF aspects.pdf"
              4⤵
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of SetWindowsHookEx
              PID:2672
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\AdobeARM.exe
              4⤵
                PID:2560

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              ----Amph Ops - AF aspects.pdf

              • Path C:\Users\Admin\AppData\Local\Temp\----Amph Ops - AF aspects.pdf
              • Size 61KB
              • SHA256 f6524bb1ab9e115c8fdf3fe799cc96e4590056585e53a9a0d6dd6761b6130e17
              • MD5 SHA1 SHA512 SSDEEP

              A9R5AFD.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\A9R5AFD.tmp
              • Size 358B
              • SHA256 6f87f2822ca85568cdf51bfe6e97fe88eb1886800bc1e0e535f7b94d7422e5fc
              • MD5 SHA1 SHA512

              SVCHOST.EXE

              • Path C:\Users\Admin\AppData\Local\Temp\SVCHOST.EXE
              • Size 28KB
              • SHA256 b704057cff16ac3e7045383680551966a921e1f26f9fd86308a2e5c5aca89850
              • MD5 SHA1 SHA512 SSDEEP

              AdobeARM.exe

              • Path \Users\Admin\AppData\Local\Temp\AdobeARM.exe
              • Size 3KB
              • SHA256 4992b5d0808325585ff5495588bc07ca388c96872159d8f956e33f160ac26bc2
              • MD5 SHA1 SHA512

              memory/1752-0-0x0000000002E20000-0x0000000002E96000-memory.dmp

              memory/2784-15-0x0000000000400000-0x000000000040E000-memory.dmp