Analysis

  • max time kernel
    285s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20230220-es
  • resource tags

    arch:x64arch:x86image:win7-20230220-eslocale:es-esos:windows7-x64systemwindows
  • submitted
    27-03-2023 16:15

General

  • Target

    Victoria537/Help/Русский/dcomemo.rtf

  • Size

    5KB

  • MD5

    190fe7511f89148f6a9a928a40e446b4

  • SHA1

    914686dffc21d193d7023f1f637f88420cb48c6a

  • SHA256

    412c444c4964149afc99a8dbf9ad7da975a81bf605c264770536438349901ad6

  • SHA512

    ec5079bf91bbc72e6937566962583c1784e9f0b7b6ce2abe9b418f23fcb7da901cbb7fed131d6db3f394d199fabb00cfb9cefedba816fe45dd810fe42701d2e0

  • SSDEEP

    96:5+DfMwJKmgUn+lZSmkODOMgtZXAjlMhTigMRJWBGUJ5zIiUGtm7c5lHLNaUthdTC:kDfM0KVU+SQgfXAjmhcxMzjtm7c5lHLW

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 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\Victoria537\Help\Русский\dcomemo.rtf"
    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:1988
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1532

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

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    Downloads

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

      20KB

      MD5

      cd2b8cd4f812edd7a353dbc4da3e2583

      SHA1

      34798e9f67c198355a7e74eb64095a0dad49f8c9

      SHA256

      a0b79c890a9f22153f4da56ee3c874387d62747103a21e642b6c4ac2468b1000

      SHA512

      0a7985534b6e780124f42e9d552d10be3d4a3a5f1d486839ed81ced43765e320a67f2931079d0c1612db09f09080f117a94941922ee9dffd6a24dbef30950025

    • memory/1988-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1988-80-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB