Office (OLE) / .DOCX malware analysis — malicious · 2edf013ada24ea7a

MALICIOUS

Office (OLE) / .DOCX

184.0 KB Created: 2020-12-23 07:47:00 Authoring application: Microsoft Office Word

MD5: eba94f4062dd0c7a812c1c14b9f2eefc SHA-1: fbbff99c8a211a39327e27f22e46103c0265add4 SHA-256: 2edf013ada24ea7a142b0844b980169d465e7f5aefdaf645b44ece962d10d74a

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059.001 PowerShell

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically the "Document_Open" auto-execution and "CreateObject" calls, indicate a malicious downloader. The presence of VBA p-code auto-execution with execution tokens further supports this. The obfuscated document body text, while difficult to interpret directly, likely contains further obfuscated code or instructions related to the macro's execution. The extracted URL, though marked as benign, is listed as an embedded URL and could be a placeholder or part of a larger delivery chain.

Heuristics 7

ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
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.
Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
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.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `d5578521430d19d3e1a741e6facd5db8ed236e25c6fc3d692889ddd7a6d225bf`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8783 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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