Emotet Office (OLE) / .DOC malware analysis — malicious · 4fd0cd1e4f045a47

MALICIOUS

Office (OLE) / .DOC

177.0 KB Created: 2020-10-26 22:00:00 Authoring application: Microsoft Office Word

MD5: 591ed8fc9f953c0f20a1f75aef441959 SHA-1: 84d0c1804128eb9c7514950419bfa17346dc790e SHA-256: 4fd0cd1e4f045a4717e651dd12e952b84a8ba1027c0dd0f6f315fb088ae997aa

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection explicitly identifies this file as 'Doc.Downloader.Emotet-9784039-0', strongly suggesting the Emotet family. Heuristics confirm the presence of VBA macros, specifically a Document_Open auto-exec macro that uses CreateObject, indicating it's designed to run malicious code upon opening. The embedded URL, though benign according to reputation, is likely a placeholder or part of a more complex delivery chain. The VBA macros are responsible for downloading and executing a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9784039-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9784039-0
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` `e70216f0e579d504535cd96ff8bcb0caf6efa8e94583e6a8f949e417059c6e9f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16101 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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