Emotet Office (OLE) / .DOCX malware analysis — malicious · 24e9c546ce90adef

MALICIOUS

Office (OLE) / .DOCX

160.5 KB Created: 2020-09-24 14:59:00 Authoring application: Microsoft Office Word

MD5: 04d9d215bfe2a3260048252b561a53d1 SHA-1: 662a503586d04abe627654a74e0d4218336babb1 SHA-256: 24e9c546ce90adef18cc699df5c3df34a05787fdd9733a1767d993de4d63b7a5

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains VBA macros, including a Document_Open auto-exec macro, which is a common delivery mechanism for Emotet. The ClamAV detection explicitly names Emotet. The extracted document body appears to be obfuscated PowerShell commands, suggesting the macro's intent is to download and execute a second-stage payload. The presence of the 'macros.bas' artifact further supports the macro-based execution.

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` `478e525c35da71173721eac25da86734da83f0768f80b277d373c9cc7716a5ba`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	27607 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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