Emotet Office (OLE) / .DOC malware analysis — malicious · e20dadb65651d817

MALICIOUS

Office (OLE) / .DOC

112.3 KB Created: 2020-11-25 08:33:00 Authoring application: Microsoft Office Word

MD5: d1cf7f50f8414d437acb4f026528909e SHA-1: 56811440234742e6b7617685e0dee6a1f4034dfe SHA-256: e20dadb65651d81743aae5451f4f63d6fd7a7da48d4bf71af247a033ac46ee11

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample is a malicious Microsoft Word document containing VBA macros, specifically a Document_Open macro designed to execute automatically. The ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-10024800-0', strongly suggesting the Emotet family. The macro's auto-execution and CreateObject calls are indicative of a downloader's behavior, likely intended to fetch and execute a second-stage payload. The document body, though heavily obfuscated, contains strings that appear to be part of a lure to open a corrupted file.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
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` `aee45768d2fff8dc643f1dc1a01d7b98bec63217192cfcaa87461cebea3dd5fc`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	10344 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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