Resubmissions

09-01-2023 10:20

230109-mdjpcadh23 8

05-01-2023 16:35

230105-t3pp8aga9s 8

Analysis

  • max time kernel
    108s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2023 16:35

General

  • Target

    30d17933a6875cc6ffc813d6417b7375aa6cc413a8afa452a74dc4035203dbe8.doc

  • Size

    104KB

  • MD5

    b24700e2f9570c227a333259a3d83fc1

  • SHA1

    3ce65a36f48636ede2589a634fb2514a695e58bf

  • SHA256

    30d17933a6875cc6ffc813d6417b7375aa6cc413a8afa452a74dc4035203dbe8

  • SHA512

    13939222a0999705cc28ad6c8de6f0756d57f45e0c9bab32a920eb679d15f9c0f886e60dd26fb0f658569733570bf96b3f01c00fe113362c53d1055fde7896e2

  • SSDEEP

    768:VUJgskoEMAg5eoZR97RkMll/GI5NeEu5PRqRyMaZtDCyNKX/jxxLGXOp0B:1s7ZP7RxFw5PRjZfK7xxLD+B

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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 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\30d17933a6875cc6ffc813d6417b7375aa6cc413a8afa452a74dc4035203dbe8.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1256

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1256-177-0x0000000000000000-mapping.dmp
    • memory/1256-178-0x000007FEFC101000-0x000007FEFC103000-memory.dmp
      Filesize

      8KB

    • memory/1476-54-0x0000000072BF1000-0x0000000072BF4000-memory.dmp
      Filesize

      12KB

    • memory/1476-55-0x0000000070671000-0x0000000070673000-memory.dmp
      Filesize

      8KB

    • memory/1476-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1476-57-0x0000000075D01000-0x0000000075D03000-memory.dmp
      Filesize

      8KB

    • memory/1476-58-0x000000007165D000-0x0000000071668000-memory.dmp
      Filesize

      44KB

    • memory/1476-176-0x000000007165D000-0x0000000071668000-memory.dmp
      Filesize

      44KB

    • memory/1476-179-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1476-180-0x000000007165D000-0x0000000071668000-memory.dmp
      Filesize

      44KB