Analysis

  • max time kernel
    113s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 08:41

General

  • Target

    2d03fbee7a64e658eaf6992c9f3e80e2a077f3436c7a0f4e0b7894624128f04b.docm

  • Size

    18KB

  • MD5

    1dbe2f9663508cd57f640ec7a5a9222c

  • SHA1

    944f1567c3da81dfa5d4c9877822bdaf4abf6502

  • SHA256

    2d03fbee7a64e658eaf6992c9f3e80e2a077f3436c7a0f4e0b7894624128f04b

  • SHA512

    2f631e5563effb09c392b3d5c849a2284bd9636652b5ae58f18070c1127625908a7b9e274acab5f40c8af225cc651a3d00d31f4bf1e27a54988cf4be49839abe

  • SSDEEP

    384:/iCkt4B7wl/aa3QNxt/ZtNNEGa6js2ZzogQuM8u:/tm4Vi/aBxllNrtAOUoM5

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). Likely ransomware behaviour.

  • 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 8 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\2d03fbee7a64e658eaf6992c9f3e80e2a077f3436c7a0f4e0b7894624128f04b.docm"
    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:1368
    • C:\Windows\SysWOW64\wscript.exe
      wscript C:\\Users\\Public\\getfonts.vbs
      2⤵
      • Process spawned unexpected child process
      PID:1492
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1892

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\getfonts.vbs
      Filesize

      105B

      MD5

      5d971f4a3e1ee5615982912977f7b708

      SHA1

      48a7c309e15e888c64919dbd2dd40434c651379d

      SHA256

      a8d7505be13cf7a3fa0f0e7bf142aef9608732e9643463034aa83f698f295264

      SHA512

      0556b217f2f3ade83f002979b973c646575258672cdc3476f883d2284094ea5cc7c6352c12d684f38ed550360ba47f5824c14f48a5bc162b3c8be0ced6000a01

    • memory/1368-60-0x000000000035A000-0x000000000035E000-memory.dmp
      Filesize

      16KB

    • memory/1368-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1368-57-0x0000000074E41000-0x0000000074E43000-memory.dmp
      Filesize

      8KB

    • memory/1368-58-0x0000000070B9D000-0x0000000070BA8000-memory.dmp
      Filesize

      44KB

    • memory/1368-59-0x000000000035A000-0x000000000035E000-memory.dmp
      Filesize

      16KB

    • memory/1368-54-0x0000000072131000-0x0000000072134000-memory.dmp
      Filesize

      12KB

    • memory/1368-55-0x000000006FBB1000-0x000000006FBB3000-memory.dmp
      Filesize

      8KB

    • memory/1368-66-0x0000000070B9D000-0x0000000070BA8000-memory.dmp
      Filesize

      44KB

    • memory/1368-67-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1368-68-0x0000000070B9D000-0x0000000070BA8000-memory.dmp
      Filesize

      44KB

    • memory/1492-61-0x0000000000000000-mapping.dmp
    • memory/1892-64-0x0000000000000000-mapping.dmp
    • memory/1892-65-0x000007FEFB641000-0x000007FEFB643000-memory.dmp
      Filesize

      8KB