Emotet Office (OLE) / .DOC malware analysis — malicious · 3ff73059b6026c66

MALICIOUS

Office (OLE) / .DOC

129.9 KB Created: 2020-10-14 06:49:00 Authoring application: Microsoft Office Word

MD5: e2f5ef9fcec16a3e64fa080fb50b544f SHA-1: b9413ba633169668797fc85d2b979e77961f8b4e SHA-256: 3ff73059b6026c661e69d5017e87e6b349a264af1424fba74e78f8356a89c592

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate malicious VBA macro activity. The presence of a Document_Open macro that uses CreateObject is a common Emotet delivery technique. The macro is designed to execute arbitrary code, likely to download and run a second-stage payload. The ClamAV signature specifically names Emotet.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9777975-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9777975-1
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` `a1e06d58d65c5e173202fee73d0c268d74efbb2eb6a720ea5c8df5105ab9225c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	9557 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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