Emotet Office (OLE) / .DOCX malware analysis — malicious · c7678263136c72ea

MALICIOUS

Office (OLE) / .DOCX

149.2 KB Created: 2020-09-28 14:26:00 Authoring application: Microsoft Office Word

MD5: ff03d3b4f16feac49f2940c637d8b05c SHA-1: 8b2792693260f4c212fd0dce3a19f2a0513facfb SHA-256: c7678263136c72eae4c2d6509a5b7b56e6a1737087b40b9757c0bc424b627fd5

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The critical ClamAV heuristic identifies this file as Emotet. The presence of a Document_Open macro, along with CreateObject and p-code auto-execution firings, strongly indicates that the VBA code within the document is designed to run automatically when the document is opened. This macro is likely responsible for downloading and executing a secondary payload, a common tactic for Emotet. The document body content is obfuscated and does not provide direct clues to the user-facing lure.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9768663-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9768663-0
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` `52573b116f951816e527b23fd5cfdfc578caca117ddeb459f950d0953f709442`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6643 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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