Analysis

  • max time kernel
    230s
  • max time network
    226s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 14:50

General

  • Target

    5d0ed9f6b1faf0b8145da202375b669cb13c2dc7969713f8544960b11617365c.docm

  • Size

    166KB

  • MD5

    4bf241b7497f8c7df0850ffb21b5c2ec

  • SHA1

    2097cbb529c58d4de3f5f715c2bd54db7373d807

  • SHA256

    5d0ed9f6b1faf0b8145da202375b669cb13c2dc7969713f8544960b11617365c

  • SHA512

    e2b9d50d7fc7eead426ebf6e313504f7a6318a6a7f6df08c848366f1f3d32a76886aa0f6c92d7cd02e5dc80f91a90002f5b71a9bfbad5a641a99fe9014ae26b6

  • SSDEEP

    3072:TS1XRJHB2yrlqx1Jxh3Sc7g2QhjsDhroHFNyJkc67dGTZVsaqd:TmXReuGJ3ZsyV8HTOkwZVs1

Score
7/10

Malware Config

Signatures

  • Abuses OpenXML format to download file from external location 2 IoCs
  • 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 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\5d0ed9f6b1faf0b8145da202375b669cb13c2dc7969713f8544960b11617365c.docm"
    1⤵
    • Abuses OpenXML format to download file from external location
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1088

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1088-60-0x0000000000000000-mapping.dmp
    • memory/1088-61-0x000007FEFB6F1000-0x000007FEFB6F3000-memory.dmp
      Filesize

      8KB

    • memory/1944-54-0x00000000721E1000-0x00000000721E4000-memory.dmp
      Filesize

      12KB

    • memory/1944-55-0x000000006FC61000-0x000000006FC63000-memory.dmp
      Filesize

      8KB

    • memory/1944-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1944-57-0x0000000075671000-0x0000000075673000-memory.dmp
      Filesize

      8KB

    • memory/1944-58-0x0000000070C4D000-0x0000000070C58000-memory.dmp
      Filesize

      44KB

    • memory/1944-59-0x0000000070C4D000-0x0000000070C58000-memory.dmp
      Filesize

      44KB