Emotet Office (OLE) / .DOC malware analysis — malicious · f5bd6e1c0a0e22b9

MALICIOUS

Office (OLE) / .DOC

178.0 KB Created: 2020-10-26 07:23:00 Authoring application: Microsoft Office Word

MD5: 009595c19dbc9a85ce19cb110fb87999 SHA-1: 9ecbc707b6c9088e1cf52377c2ba245b214a6694 SHA-256: f5bd6e1c0a0e22b9f84d100bd391ecb57cf69d011db764a2852a59cb945bee6c

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically the Document_Open auto-execution and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro, identified as macros.bas, and the detection of Emotet by ClamAV confirm this. The macro is designed to execute automatically upon opening the document, likely to download and execute a secondary payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9784039-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9784039-0
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` `b32ea3f2c5f61ed2002ab3a6ff62f143198fe67a0f56f5ed3e4d2fa09ce2cba4`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15980 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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