Emotet Office (OLE) / .DOCX malware analysis — malicious · 34656bdf6918d402

MALICIOUS

Office (OLE) / .DOCX

207.3 KB Created: 2020-10-30 05:47:00 Authoring application: Microsoft Office Word

MD5: 585057568032b4457637bde0a965aa57 SHA-1: dd7c7ed71a0d79e798496855f03323fe4060c208 SHA-256: 34656bdf6918d4026fd1b5a563670a0a137f76d34569b44e01cc9982385c8452

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample was detected as malicious by ClamAV with a signature indicating it is a downloader associated with Emotet. High-severity heuristics confirm the presence of VBA macros, specifically a Document_Open auto-exec macro that uses CreateObject, indicating it attempts to run code when the document is opened. The presence of the 'macros.bas' artifact further supports this. The macro's intent is to download and execute a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
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` `e4d0fb437400efd48ba8788e6598db97f27abf48ca87508f936aac5cc138edbb`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	17457 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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