Emotet Office (OLE) / .DOC malware analysis — malicious · e233e70aaf2026b9

MALICIOUS

Office (OLE) / .DOC

186.5 KB Created: 2021-11-24 10:11:00 Authoring application: Microsoft Office Word First seen: 2022-03-16

MD5: 2c60206589a7df2d4fc71c9b03c4673c SHA-1: 778d946603194c2f2fe1cdfefbb2763f986eaada SHA-256: e233e70aaf2026b95c0d3d82f36f5da7ce6371b423555bf211dc6440d8e66219

242 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The file is identified as malicious by ClamAV with a specific Emotet signature. Static analysis reveals VBA macros that utilize CreateObject to instantiate Internet Explorer. The script then navigates to a hardcoded URL, 'htervices', to download and potentially execute a second-stage payload. This behavior is consistent with Emotet's typical delivery mechanism.

Heuristics 7

ClamAV: Doc.Downloader.EmotetRedDawn11210-9912807-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRedDawn11210-9912807-0
Heap-spray pattern detected high SC_HEAP_SPRAY

Repeated 0x07 bytes found
Reference to WinExec API high SC_STR_WINEXEC

Reference to WinExec API
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
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` `3ee5c2cbb374029a3f795b546fe7eeb57246eafbed0db682d3a6d74f76144a56`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	21246 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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