Emotet Office (OLE) / .DOC malware analysis — malicious · 533c8f24dc38c6e3

MALICIOUS

Office (OLE) / .DOC

241.6 KB Created: 2020-09-17 23:22:00 Authoring application: Microsoft Office Word

MD5: 1255e6c922627594ffd4e44f6abce5ad SHA-1: 2e81beccb54e45cda9e6999e856bb5f45ccfd9ca SHA-256: 533c8f24dc38c6e390714bc23fabc21f1b3722ccafced94dcc60cd45d4331cac

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is a Microsoft Word document containing VBA macros, specifically triggering on the Document_Open event. Heuristics indicate the use of CreateObject and p-code execution, consistent with macro-based malware delivery. The ClamAV signature 'Doc.Downloader.EmotetRed02226-9938639-0' strongly suggests an Emotet variant, which commonly uses this technique to download and execute further stages. No specific URLs or reconstructed strings were found in the provided evidence, but the presence of the Document_Open macro and the ClamAV signature are sufficient indicators.

Heuristics 7

ClamAV: Doc.Downloader.EmotetRed02226-9938639-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRed02226-9938639-0
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` `bbb069e7ba4108064d6782bf06897cd403c434c793526e3567eb29507661c241`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	21939 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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