Emotet Office (OLE) / .DOC malware analysis — malicious · e9a5359b4a892266

MALICIOUS

Office (OLE) / .DOC

202.0 KB Created: 2019-02-22 10:51:00 Authoring application: Microsoft Office Word

MD5: dc8723d7099210da6151ea6412f81dc9 SHA-1: 4e8808878a3ec70108bed893e989843c31e10f5d SHA-256: e9a5359b4a892266bc6ffe672c38ff2109adb973a88985606c35579b831660d8

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The file is a Microsoft Word document with a high-confidence detection as 'Doc.Downloader.Emotet-6865935-0' by ClamAV. Heuristics indicate the presence of VBA macros, specifically an AutoOpen macro that utilizes GetObject for execution. The presence of obfuscated VBA code and the detection name strongly suggest Emotet's downloader functionality, which typically involves executing embedded macros to fetch and run additional malicious content.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-6865935-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-6865935-0
AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen macro
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` `ff8adc948e68e80b589c2703e12aa179312e52fb6909e4a4504d68e329f88d47`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	45503 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 195 Chr/ChrW string-construction calls.

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