Analysis

  • max time kernel
    102s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    05-05-2022 15:37

General

  • Target

    Challenge_FIles/Employees_Contact_Audit_Oct_2021.docx

  • Size

    12KB

  • MD5

    d5742309ba8146be9eab4396fde77e4e

  • SHA1

    8aaa79ee4a81d02e1023a03aee62a47162a9ff04

  • SHA256

    ed2b9e22aef3e545814519151528b2d11a5e73d1b2119c067e672b653ab6855a

  • SHA512

    37367ea06191c8a949f6c092bc4137736b344cc9892bf8a19e149557919d9276fb1301009a700cede0f2ca05d6827c827992817aee7b8968a5429e433fe0c8ba

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
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\Challenge_FIles\Employees_Contact_Audit_Oct_2021.docx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1152

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1152-59-0x0000000000000000-mapping.dmp
    • memory/1152-60-0x000007FEFBEB1000-0x000007FEFBEB3000-memory.dmp
      Filesize

      8KB

    • memory/2040-54-0x00000000729A1000-0x00000000729A4000-memory.dmp
      Filesize

      12KB

    • memory/2040-55-0x0000000070421000-0x0000000070423000-memory.dmp
      Filesize

      8KB

    • memory/2040-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2040-57-0x0000000075B71000-0x0000000075B73000-memory.dmp
      Filesize

      8KB

    • memory/2040-58-0x000000007140D000-0x0000000071418000-memory.dmp
      Filesize

      44KB

    • memory/2040-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB