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

Static analysis result for SHA-256 70a4c279feff40e4…

MALICIOUS

Office (OLE) / .XLS

634.0 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel First seen: 2026-06-06
MD5: 6f34b95ae9edd8426e55701198735b29 SHA-1: a63a1d909863d3699b57677b16116ebcd5cf7e36 SHA-256: 70a4c279feff40e4f794af977d06fb66f2eb9a7feadc6912e5c3a6fcb1303dcc
70 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.005 Visual Basic

The critical heuristic firing for CVE-2017-0199 indicates the sample is designed to exploit a vulnerability in OLE objects to load remote content. The embedded URL points to a potential second-stage payload. Although the VBA macros themselves contain no executable statements, the exploit mechanism is clearly present and points to a remote loader attack pattern. The VBA code is present but not directly malicious.

Heuristics 3

  • OLE2Link / URL Moniker → remote loader — CVE-2017-0199 critical CVE likely CVE_2017_0199
    Document contains an embedded OLE link object whose URL Moniker points to a remote URL. When the host file is opened, Office follows the link, downloads the URL, and processes the response based on its Content-Type (HTA -> mshta.exe, RTF → Word, etc.) — the documented CVE-2017-0199 primitive. The URL extension is not a reliable filter; servers can return different payloads to Office's user agent.
  • VBA project contains no executable statements low OLE_VBA_MACROS
    Document contains a VBA project, but extracted modules only contain attributes/options/comments and no executable statements.
  • 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 http://0000000015353204525/httpswww.odoo.comdocumentation19.0applicationsgeneralintegrationscloud_storage.htmlmsockid=2a94f95be1a568c830b6ef01e00869eb009.php In 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) 1206 bytes
SHA-256: 7f506327609c082af1cd37dde23bc2c71a000f7d1ef530b6abb66775040a7673
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

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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