Emotet Office (OLE) / .DOC malware analysis — malicious · 2b6bf06663b63251

MALICIOUS

Office (OLE) / .DOC

286.3 KB

MD5: a53131043064378c32c031e5b889a45c SHA-1: 33632aae31beed29be311b1f9bae1e8bcb0fabeb SHA-256: 2b6bf06663b63251018866acf0a7fed5d2caa85b0c51bb12b7c63567dfb01cd8

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is detected as malicious by ClamAV with a signature indicating it is an Emotet downloader. Heuristics confirm the presence of a Document_Open VBA macro that uses CreateObject, suggesting it is designed to execute code upon opening. This macro likely downloads and executes a second-stage payload, a common Emotet delivery technique. The document body content is heavily obfuscated and does not provide further clues.

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` `65f117dd3897582871eb0608875f8c8f8f612d1f39443fb02833631e6285474d`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18210 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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