Emotet Office (OLE) / .DOCX malware analysis — malicious · 2ebc9a276ec4562d

MALICIOUS

Office (OLE) / .DOCX

173.5 KB Created: 2020-09-16 13:35:00 Authoring application: Microsoft Office Word

MD5: 12c2af78ff5e6b07d719ae57a31de63f SHA-1: c5fd579ec64c0fad6dfa6da819909de435d1f8e5 SHA-256: 2ebc9a276ec4562dfe54e8fe149d6a6a56a4ff9e96b0f1b760a411c64eacc5f9

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is identified as malicious by ClamAV with the signature Doc.Malware.Emotet-9762108-0, strongly indicating the Emotet family. Static analysis reveals the presence of VBA macros, specifically a Document_Open macro that utilizes CreateObject, a common technique for executing arbitrary code. The heuristic firings and the ClamAV detection point to a macro-based execution of malicious payloads, characteristic of Emotet's delivery methods.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9762108-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762108-0
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` `0bb2e800f836433b719494fb3a2cf1fc895dd947fc7213e26f377d26b01e1554`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	22004 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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