Emotet Office (OLE) / .DOCX malware analysis — malicious · cbf5b0482bc2cdc0

MALICIOUS

Office (OLE) / .DOCX

197.9 KB Created: 2020-09-21 22:06:00 Authoring application: Microsoft Office Word

MD5: 8fffea916a73bd4617ade4b226a2f5f4 SHA-1: be21bc65b958e93734b7ae08402a51815199a76c SHA-256: cbf5b0482bc2cdc04d1f4ffa6c39d4517ef6793289339305a64f7820553bdeac

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1059.001 PowerShell T1059.003 Windows Command Shell T1204.002 Malicious File

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject and GetObject calls. This is indicative of Emotet malware, which commonly uses such techniques to download and execute further payloads. The ClamAV detection explicitly names Emotet, reinforcing this classification.

Heuristics 8

ClamAV: Doc.Malware.Emotet-9765425-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9765425-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `3f69d910c7ab65b68002c6115856f94d0a2fe7883066824f7d890ec0735d30db`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19084 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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