Emotet Office (OLE) / .DOCX malware analysis — malicious · 4d83643d4185e914

MALICIOUS

Office (OLE) / .DOCX

175.3 KB Created: 2020-10-30 13:48:00 Authoring application: Microsoft Office Word

MD5: e6e7bdd3c5936a494b56b6e14a41b2d5 SHA-1: 72c04b221f055bbb91c26befcfc05858ed42211d SHA-256: 4d83643d4185e914cd18600bc21014c76abe93f9cdc0373b88e65461ee279b80

248 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV heuristic identifies this file as Emotet. The presence of a Document_Open macro, which uses CreateObject and p-code auto-execution, strongly indicates that the macro is designed to run automatically upon opening the document. This macro likely downloads and executes a second-stage payload, a common Emotet tactic. The 'Fake invoice / payment lure' heuristic further supports the social engineering aspect of the attack.

Heuristics 8

ClamAV: Doc.Malware.Emotet-9785300-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9785300-0
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
Fake invoice / payment lure low SE_INVOICE_LURE

Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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` `6ef446d7bbe59b96b37194ceef7dfc21ebc83ff1edf01838a31098c50a7e733f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	17445 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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