Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2024, 01:05

General

  • Target

    667f53c1003e7fe1bb14c04721893a3a.doc

  • Size

    72KB

  • MD5

    667f53c1003e7fe1bb14c04721893a3a

  • SHA1

    c379bd767de2ba8c1189808e006e3256c647662a

  • SHA256

    49025f29f934288c5757cb19b273447681a7f74b169dfee5fa3d204bfb664a0a

  • SHA512

    4f71b56f6859c2bcef4f4d7b76c38af8d2559eba6f3199e56e8e7f584934f3531c7fcc7ec755d6db14f676e378a499cd03276f04a09dd2e23a4a524420450656

  • SSDEEP

    1536:EYntJ1rHr11AQYyqGJHQYCDEtU6dLTR97c8KpeROJ6KrKSRKFG8xpdG8oYRZLgmw:zb1dxQYNtU6Zvc8KpeROJ6KrKSRKFG8G

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 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\667f53c1003e7fe1bb14c04721893a3a.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /s /c c:\\programdata\\index.hTA
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\programdata\index.hTA"
        3⤵
        • Modifies Internet Explorer settings
        PID:1640
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2472

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      3ea2157fc69b2b6ffed3eb0c9f84d4c5

      SHA1

      97472b0f49ce4c5afcabab9e146ce8829602ad40

      SHA256

      b05f856b23da6868fc631f40266d0b7a07c24573dc4ee3acf8d38488a1dac565

      SHA512

      cad1b445480fe7233d06f7f88e38a0bd3f0a0d8d40421c463d7c6743f2d3a655e07c56f0241835e17bd18803fc66a1efc5566f6ea76dc0dc319804b77611ab1f

    • C:\programdata\index.hTA

      Filesize

      3KB

      MD5

      ee3ea82e681632eeb1b86bb2309fecde

      SHA1

      4ffa99969366a11e23b7cdedbbd673a5a0230a37

      SHA256

      443b02b1615e2dcc6daba16b8bad23efe2b0000436a98dc4a3f0af35e825fdb6

      SHA512

      07ffb009b45f1d6545f66bc9c7a56d72987bcd46b295afbb61f14be7bbf4f2068785bcc4ac46794778e17cbb203d9f450e2bc6a44cb2f47895422838d3536388

    • memory/2748-12-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2748-21-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2748-11-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2748-0-0x000000002F3A1000-0x000000002F3A2000-memory.dmp

      Filesize

      4KB

    • memory/2748-10-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2748-9-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2748-13-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2748-14-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2748-20-0x0000000005230000-0x0000000005330000-memory.dmp

      Filesize

      1024KB

    • memory/2748-22-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2748-23-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2748-8-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2748-25-0x0000000005230000-0x0000000005330000-memory.dmp

      Filesize

      1024KB

    • memory/2748-2-0x00000000715BD000-0x00000000715C8000-memory.dmp

      Filesize

      44KB

    • memory/2748-63-0x00000000715BD000-0x00000000715C8000-memory.dmp

      Filesize

      44KB

    • memory/2748-64-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2748-65-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2748-66-0x0000000005230000-0x0000000005330000-memory.dmp

      Filesize

      1024KB

    • memory/2748-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2748-87-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2748-88-0x00000000715BD000-0x00000000715C8000-memory.dmp

      Filesize

      44KB