Emotet Office (OLE) / .DOC malware analysis — malicious · 4eb42d0a84246f64

MALICIOUS

Office (OLE) / .DOC

172.3 KB Created: 2020-09-23 04:35:00 Authoring application: Microsoft Office Word

MD5: 274b21eb5861a23ceaa00444692eb9fa SHA-1: 55b5321574177aa1d6c79073bcd47f78e29d736c SHA-256: 4eb42d0a84246f6461ca0c8927e0c33f0afb51e295880eb0b221869121922b75

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains a malicious VBA macro, specifically a Document_Open macro, which is designed to execute automatically. Heuristics indicate the macro uses CreateObject and GetObject calls, common for downloading and executing further payloads. The ClamAV detection explicitly names this as Doc.Downloader.Emotet-9765458-0, strongly suggesting the Emotet family. The embedded URL, while benign according to reputation, is likely a placeholder or part of a more complex delivery chain not fully revealed in static analysis.

Heuristics 8

ClamAV: Doc.Downloader.Emotet-9765458-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765458-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
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` `4b5417dbd98c86686e3f5f9c6557dfc9adc0cd727a7e10c1fb3ee22c8d8e412b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20383 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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