Emotet Office (OLE) / .DOC malware analysis — malicious · e32e3918a51190dc

MALICIOUS

Office (OLE) / .DOC

177.2 KB Created: 2020-09-24 13:49:00 Authoring application: Microsoft Office Word

MD5: 089119298ffda64cf293a3b52fb35978 SHA-1: 476afc67e259e6eea82209b92a7d17ba70b2beb9 SHA-256: e32e3918a51190dc78d589059a7605e9b096f8dfe165e7cced0860036bf9683f

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is a Microsoft Word document containing a VBA macro that is automatically executed upon opening (Document_Open). This macro utilizes CreateObject to initiate a PowerShell command, as indicated by the 'OLE_VBA_PCODE_AUTOEXEC_EXEC' heuristic. The ClamAV detection explicitly names this as 'Doc.Downloader.Emotet-9765780-0', strongly suggesting Emotet family. The macro's intent is to download and execute a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9765780-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765780-0
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` `139701b3ac1be6657ca7284ebc1aeb61e7f9031f14876a18f0d52a1b62a782c2`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	26534 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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