Emotet Office (OLE) / .DOC malware analysis — malicious · 57c2b0bd17c02b9f

MALICIOUS

Office (OLE) / .DOC

234.5 KB Created: 2020-10-27 11:54:00 Authoring application: Microsoft Office Word

MD5: f6978baadbd2d2c62783a583432e92ba SHA-1: 9dc67fa81cda0764deecece6583047ed5fe9ff20 SHA-256: 57c2b0bd17c02b9fee7bf05df8bb7698a2e127a8f0278fd83156ae6251534e9e

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file was detected by ClamAV as Doc.Downloader.Emotet-9784225-0, indicating a high likelihood of Emotet family. Heuristics confirm the presence of VBA macros, specifically a Document_Open macro that utilizes CreateObject, suggesting it's designed to execute code. The obfuscated document body text, while difficult to parse directly, is consistent with malicious documents. The primary function appears to be downloading and executing a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9784225-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9784225-0
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` `29e9b7ae9d1527d60729aa6fdaa432d4d9cba1dbaf939ce8988ea528be91e7ce`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16504 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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