Emotet Office (OLE) / .DOCX malware analysis — malicious · 167a50633bd1e80e

MALICIOUS

Office (OLE) / .DOCX

194.2 KB Created: 2020-09-22 04:18:00 Authoring application: Microsoft Office Word

MD5: 7116e895f894e41b04518dcdcdf64bb7 SHA-1: 6c0f5f2bf743471362c2d47a9b8aa0cd952af60b SHA-256: 167a50633bd1e80ef6c145b0ad4f6142754304ba747eaf37f0dfb2599bf49876

242 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 contains VBA macros, specifically a Document_Open macro that utilizes CreateObject and GetObject calls, indicative of malicious intent. ClamAV detection confirms this, identifying it as Emotet. The VBA code appears to be obfuscated but is designed to execute a payload, likely by downloading and running a second-stage exploit, which is a common Emotet behavior.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9764756-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9764756-0
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.
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` `3b0af88f4dd9c23a17bbdbbca50e89a637a2364695c54b84b34b6c26baade961`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19032 bytes

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