Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    17/02/2024, 23:18

General

  • Target
    Challenge_FIles/Work_From_Home_Survey.docx
  • Size 26KB
  • Sample240217-3almjacb64
  • SHA256 84674acffba5101c8ac518019a9afe2a78a675ef3525a44dceddeed8a0092c69
  • MD5 SHA1 SHA512 SSDEEP
Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Challenge_FIles\Work_From_Home_Survey.docx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:3004

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          FSD-CNRY.FSD

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD
          • Size 128KB
          • SHA256 f27cbe4175dbcb53bb888deee6f6c1065b65c892f72e89bfde620d5ef69a988f
          • MD5 SHA1 SHA512 SSDEEP

          FSD-{03D58274-62AA-413C-A78A-7B183B19F987}.FSD

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{03D58274-62AA-413C-A78A-7B183B19F987}.FSD
          • Size 128KB
          • SHA256 01f95ca9e8c4c2c273a82610a9c8a47761c3bbce20863dedc811af57ec033542
          • MD5 SHA1 SHA512 SSDEEP

          {C09A2FAD-A4C3-4F08-9F50-45AE600BB368}

          • Path C:\Users\Admin\AppData\Local\Temp\{C09A2FAD-A4C3-4F08-9F50-45AE600BB368}
          • Size 128KB
          • SHA256 ebbc0e640c374b6b86fe16e326595205db110444686be40c5925fa32b85fbc4d
          • MD5 SHA1 SHA512 SSDEEP

          Normal.dotm

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
          • Size 20KB
          • SHA256 07c0973d7ee7e8a7eee7e9c819fe62a22e31d1757e47353655b143a83dc4ff36
          • MD5 SHA1 SHA512 SSDEEP

          ExcludeDictionaryEN0409.lex

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex
          • Size 2B
          • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
          • MD5 SHA1 SHA512

          memory/2012-0-0x000000002F201000-0x000000002F202000-memory.dmp

          memory/2012-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/2012-2-0x0000000070D8D000-0x0000000070D98000-memory.dmp

          memory/2012-77-0x0000000070D8D000-0x0000000070D98000-memory.dmp

          memory/2012-101-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/2012-102-0x0000000070D8D000-0x0000000070D98000-memory.dmp