Emotet Office (OLE) / .DOCX malware analysis — malicious · 19b133b4ad7b5c30

MALICIOUS

Office (OLE) / .DOCX

155.7 KB Created: 2020-10-16 19:32:00 Authoring application: Microsoft Office Word

MD5: b72ee7331b76405791afc5a5d197b2a6 SHA-1: faa8593a13279818998f3a8cb51ec4d45dc492cd SHA-256: 19b133b4ad7b5c3072ca746a89f06864d39ca4c8985ddfb2eeadd125ff5cd7a7

202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample is identified as malicious by ClamAV with the signature Doc.Malware.Emotet-9778628-0, indicating a high likelihood of it being an Emotet variant. The presence of VBA macros, specifically a Document_Open macro that uses CreateObject, strongly suggests an attempt to execute arbitrary code. This macro functionality is characteristic of Emotet's typical behavior of downloading and executing further stages of malware.

Heuristics 6

ClamAV: Doc.Malware.Emotet-9778628-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9778628-0
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.
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` `d7b10db6ad3bff10dd176d31b83ada7ffa72a5d7b1b67bb513aee8ccfc4d5f3f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15292 bytes

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