Office (OLE) / .DOCX malware analysis — malicious · cf47feaaa13dd857

MALICIOUS

Office (OLE) / .DOCX

161.8 KB Created: 2020-12-29 20:50:00 Authoring application: Microsoft Office Word

MD5: 98df517a1aad62f570db165ff441fc50 SHA-1: 6a25d93356de26929b52eb0681f1aca5cbad7796 SHA-256: cf47feaaa13dd8578065c7ff33e3b1f716e4b71f679b8fe7d10fd33cf1ca8b70

240 Risk Score

Malware Insights

MITRE ATT&CK

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

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating an attempt to execute code automatically. The ClamAV detection as 'Doc.Downloader.EmotetRed02224-9938637-0' strongly suggests a downloader functionality. The embedded URL, though benign in reputation, is likely part of the delivery mechanism. The obfuscated document body text does not provide further context on the specific lure.

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` `e5f9549007a41fec3f244ce297cfb2983cfeb314035104f84c750e8267247398`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8311 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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