Emotet Office (OLE) / .DOC malware analysis — malicious · e3f625469956fbb8

MALICIOUS

Office (OLE) / .DOC

339.5 KB Created: 2019-02-20 07:25:00 Authoring application: Microsoft Office Word

MD5: 1be685155282df999eeb4293994882b9 SHA-1: a73be2b53eba0793ca2a04dfb59db42e678e3307 SHA-256: e3f625469956fbb87c2eec4ac203708a048e0efa57dfd260cf779331888f315f

260 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample was detected as malicious by ClamAV with the signature Doc.Downloader.Emotet-6863642-0, indicating a known Emotet variant. High-severity heuristics confirm the presence of VBA macros, specifically an AutoOpen macro that utilizes GetObject, a common technique for executing malicious code. The presence of VBA macros and the Emotet detection strongly suggest this document is designed to download and execute a secondary payload.

Heuristics 8

ClamAV: Doc.Downloader.Emotet-6863642-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-6863642-0
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.
Excel 4.0 (XLM) macro sheet present medium OLE_XLM_AUTOOPEN

Workbook contains an Excel 4.0 macro sheet sub-stream — XLM is rarely seen in modern legitimate workbooks and was a major Office malware vector during 2020-2022.
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` `f9dc5329a9a7efcc6310c51285741381ffda1277ac02f89c25e60dc85a8b6e00`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	73965 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 183 Chr/ChrW string-construction calls.

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