Analysis

  • max time kernel
    285s
  • max time network
    34s
  • 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/vichlp.rtf

  • Size

    144KB

  • MD5

    43fed3d6537208c280faec0ff8242692

  • SHA1

    c479f33945019328d863f1d532abd98e82282e96

  • SHA256

    fbdae514e6f648554c58d7b6c3d1f154791dfaac94223b88f7881471020e7933

  • SHA512

    c305fad223c8532bd1e087a3f144d15533bb36692a90d760226e3efc0e6c02f5559b9f1aa9ced26ff2c9f674a602f834daf4c3ca7c615377a1c2cc9eca2af4f1

  • SSDEEP

    768:3W8Cm4tbDMMtOY3GPzPMEm/OoUW1M5AbDeme63K3mmGE91DcJYjyq6yGPXeP+/I4:W5Fm2uuByxCIlZRx0

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\vichlp.rtf"
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:596
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
        PID:1020

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    00:00 00:00

    Downloads

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

      20KB

      MD5

      f126b48771aae4712d5bb2f4d09c4366

      SHA1

      20182bb86205cd6819640be227626f008e697cf1

      SHA256

      c3d0158c197065576b18d552f38c5f03525d880164a6bb6ca2f0a12138ba7477

      SHA512

      1a9f0ea62dd643d2039ebc279318e974fdf587e2d626a2a16dfa3d31a8eaa6f5dcae43fd4293917e7cc970b292acff8a16b88e64ed39848784922eaddbe4bbdd

    • memory/596-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/596-83-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB