Emotet Office (OLE) / .DOC malware analysis — malicious · b837078057329148

MALICIOUS

Office (OLE) / .DOC

189.1 KB Created: 2020-09-18 14:02:00 Authoring application: Microsoft Office Word

MD5: 7ef9417d8bb3c874504ffa811c0020fc SHA-1: 11ededefdd580a0fabdde50341d7d97bb52835e9 SHA-256: b837078057329148a35e96ef42c7c83e16fd7f203fa7f1f225fc1a42246349c2

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1566.001 Spearphishing Attachment

The file contains a Document_Open VBA macro, which is a common execution vector for Emotet. The macro uses CreateObject, indicating it's designed to perform actions beyond simple document manipulation. The ClamAV detection explicitly names Emotet, further strengthening the family attribution. The macro's likely intent is to download and execute a second-stage payload, consistent with Emotet's behavior.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9763588-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9763588-0
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` `439e57830647c2aa4289de5e25d2759440b9e1601599acc03def2897db1f3da9`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20114 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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