Emotet Office (OLE) / .DOC malware analysis — malicious · fe13cec5151195e9

MALICIOUS

Office (OLE) / .DOC

186.5 KB Created: 2020-09-16 22:59:00 Authoring application: Microsoft Office Word

MD5: 639d160bc8ff8c32f76ef5eb7608c41e SHA-1: 51c62b88f2d71e63820e491e3b68d3f30c6c05a6 SHA-256: fe13cec5151195e923fd7999dcebf80b566a7bd3fbda82c9e02f266e9f3eb4df

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample was detected as malicious by ClamAV with the signature Doc.Downloader.Emotet-9762305-0, indicating it is likely part of the Emotet botnet. High-severity heuristics confirm the presence of VBA macros, specifically a Document_Open macro that uses CreateObject to execute code. This suggests the macro is designed to download and execute a second-stage payload. The embedded URL, though benign, is listed as an IOC due to its presence in the document.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9762305-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9762305-0
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` `c74a4e0e1e8046236a4698925940d43110d502cff010754883e948c4e1efb894`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19088 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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