Emotet Office (OLE) / .DOCX malware analysis — malicious · bb5b09e372727f9b

MALICIOUS

Office (OLE) / .DOCX

145.3 KB Created: 2020-09-30 13:54:00 Authoring application: Microsoft Office Word

MD5: a49ed055fd7b107e300059f60d0f74ff SHA-1: 0efd5633e5bdc0e57de711c2fba4668e758bbfd6 SHA-256: bb5b09e372727f9bd13855dcef28322f4123b5f7c9b036c897ffcb45d1e9f292

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample contains VBA macros, specifically a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names Emotet, and the heuristic firings confirm the presence of VBA macros designed for auto-execution and object creation, typical of Emotet's delivery mechanism. The macro likely downloads and executes a second-stage payload.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9769801-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9769801-1
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` `b0a96d5f70fa37f74dd6926b04c01f24a02f2a82bef41b3183b9207cf3a20fca`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	10253 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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