Office (OLE) / .DOC malware analysis — malicious · 85558d7ed5c7f3b2

MALICIOUS

Office (OLE) / .DOC

212.9 KB Created: 2020-09-21 12:09:00 Authoring application: Microsoft Office Word

MD5: 3f2795971da50981b2bd47386bedbc35 SHA-1: 7d9e63ecf1ae313dfe1c729f525f0bc84729f441 SHA-256: 85558d7ed5c7f3b253653a21bc0e885fa06361eb9dbb9ea974967f7022e74ba8

280 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The sample is a Microsoft Office document containing VBA macros. Heuristics indicate the presence of a Document_Open macro that utilizes CreateObject and GetObject, suggesting an attempt to execute code. The ClamAV detection as 'Doc.Downloader.Generic' further supports this. The embedded URL, though marked as benign, is present in the document text. The VBA macros likely download and execute a second-stage payload.

Heuristics 8

ClamAV: Doc.Downloader.Generic-9764508-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-9764508-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `cea30dbaa44bcaf57fbcd15c35be69cfffbad74d3b69c3addc059acf5ad797f9`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19026 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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