Office (OOXML) / .DOCM static analysis report

Static analysis result for SHA-256 754ab7c2050696e0…

SUSPICIOUS

Office (OOXML) / .DOCM

3.33 MB Created: 2021-03-15 12:26:00 UTC Authoring application: Microsoft Office Word 16.0000
MD5: 2fd0355eaea3ee14c9ad49daf266cbcb SHA-1: fa6d6c4cf75403f975d9cc89bcfe3210d838e4a9 SHA-256: 754ab7c2050696e0d2010dc98f8138f6634abd10b8089a0b5bde2453a61d98bb
40 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File T1566.001 Spearphishing Attachment

This DOCM file contains VBA macros, including a Document_Open macro that utilizes Shell() and CreateObject() calls. These capabilities strongly suggest the macro is designed to download and execute a secondary payload from a remote source. The presence of these indicators points to a macro-based malware delivery mechanism.

Heuristics 6

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • VBA project inside OOXML medium OOXML_VBA
    Document contains a VBA project — VBA macros present
  • 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://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.microsoft.com/office/drawing/2014/chartex
    • http://schemas.microsoft.com/office/drawing/2015/9/8/chartex
    • http://schemas.microsoft.com/office/drawing/2015/10/21/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/9/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/10/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/11/chartex
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2010/wordml
    • http://schemas.microsoft.com/office/word/2012/wordml
    • http://schemas.microsoft.com/office/word/2006/wordml
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroup
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInk
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShape
  • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
9f4ab1503b1c2c3112b16cd586511991d93370d27cce1d0ff42f5310a27f480c		 vba-macro oletools.olevba.extract_macros (decoded VBA source from OOXML) 8388608 bytes
vbaProject_00.bin
4bac47f53910d06ffe82f9ed9e55d856c3e8fcdc55862dbcc7fba7c4b2f3adbd		 vba-project OOXML VBA project: word/vbaProject.bin 3781120 bytes

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