Office (OLE) / .DOC malware analysis — malicious · 485c5e8d7bc0f0fc

MALICIOUS

Office (OLE) / .DOC

165.4 KB Created: 2021-01-05 10:15:00 Authoring application: Microsoft Office Word

MD5: 2ed8a95357ee4e2d433bcbeb2ef43fc9 SHA-1: 06838eec498718aace03e6ef28d3f0292a631f8a SHA-256: 485c5e8d7bc0f0fc416a7d6cfa8780ebc42c03ff41568af70c358ee8b8afa02c

240 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample is a malicious OLE document containing VBA macros. The 'Document_Open' macro is configured to execute automatically, utilizing 'CreateObject' to likely download and execute a second-stage payload. The ClamAV detection name 'Doc.Downloader.EmotetRed02224-9938637-0' strongly suggests a downloader family, though specific attribution is not possible from the provided heuristics alone.

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` `8c4d881ce710c5bdc93f3892d458c04d696e3b291027b95b98b9ccba700a5f56`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	10716 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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