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

Static analysis result for SHA-256 a9510cc46a579fd9…

MALICIOUS

Office (OLE) / .DOC

68.0 KB Created: 2016-12-19 13:06:00 Authoring application: Microsoft Office Word First seen: 2023-04-28
MD5: 0f59408d2bb34619b36aafa54cfc220d SHA-1: 8ab94ef4d8871c90d548da1b09986b69e181e2fa SHA-256: a9510cc46a579fd95de3a538149317948a4cd714d117143ac3e76d34842c6d65
242 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic for Applications T1204.002 Malicious File T1059 Command and Scripting Interpreter

The sample is a macro-enabled Office document that uses an 'Enable Editing' and 'Enable Content' lure to trick users into running malicious VBA code. The AutoOpen macro is designed to execute a payload via the Shell() function, as indicated by the critical OLE_VBA_SHELL heuristic. ClamAV also identified it as Doc.Dropper.Agent-5336132-0, suggesting a dropper functionality.

Heuristics 7

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • ClamAV: Doc.Dropper.Agent-5336132-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.Agent-5336132-0
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
  • 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://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/sType/ResourceRef#
    • http://ns.adobe.com/xap/1.0/sType/ResourceEvent#
    • http://ns.adobe.com/xap/1.0/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/photoshop/1.0/
    • http://ns.adobe.com/tiff/1.0/
    • http://ns.adobe.com/exif/1.0/
    • http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
1a6d54ea093fa3d42ce22e588950be0d7c52c020b9d0eb03f553f05aa76b3922		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 4974 bytes

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