Office (OLE) / .DOC static analysis report

Static analysis result for SHA-256 7a05b98601843714…

SUSPICIOUS

Office (OLE) / .DOC

76.0 KB Created: 2021-10-04 18:31:00 Authoring application: Microsoft Office Word First seen: 2021-10-11
MD5: 67265501798d918f19924869535a528e SHA-1: 1ef64f04105be1a681b7556e7819a34ca19d6dae SHA-256: 7a05b98601843714aad191d0eb64c236e411411ddfca813227b0931362dfe903
40 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample contains VBA macros, including an AutoOpen subroutine, which is a common technique for executing malicious code upon opening a document. The AutoOpen macro constructs a filename 'rockAprilHip.....hta.' and writes obfuscated document content to it, then executes this file using WshShell. This indicates the document is a macro-based downloader attempting to execute a second-stage payload.

Heuristics 6

  • 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/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/photoshop/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/sType/ResourceEvent#
    • http://ns.adobe.com/xap/1.0/sType/ResourceRef#
    • http://ns.adobe.com/tiff/1.0/
    • http://ns.adobe.com/exif/1.0/
    • http://schemas.openxmlformats.org/drawingml/2006/main
  • Macro capabilities present but unconfirmed info MACRO_CAPABILITY_UNCORROBORATED
    The document's VBA exposes execution capabilities (Shell/WScript/CreateObject/auto-exec) but nothing corroborates malicious intent — no obfuscation, memory-exec primitive, download+exec chain, encoded payload, LOLBin, DDE, AV hit, or suspicious URL. The verdict was capped at 'suspicious' so legitimate macro-heavy business documents are not flagged malicious on capability presence alone.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
51e32fcbeb06f87ca395d94ac8b5793d7a5ce231fc87cafbdb5a388352a80571		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1191 bytes

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