Emotet Office (OLE) / .DOCX malware analysis — malicious · 9d101c9ae5aad02a

MALICIOUS

Office (OLE) / .DOCX

159.0 KB Created: 2020-09-17 04:18:00 Authoring application: Microsoft Office Word

MD5: 8053e55dcd26e9a46d3126807e287622 SHA-1: 8d35c31f9c8b6c90ba233141bb987cd22940d029 SHA-256: 9d101c9ae5aad02aab0e581cf566b9cf7e1f0e39db512e79045e651ee42ab9a6

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The file contains VBA macros, specifically a Document_Open macro, which is a common technique for initial execution. The ClamAV detection explicitly identifies this as 'Doc.Downloader.Emotet-9762517-0', strongly suggesting the Emotet family. The presence of a Document_Open macro that calls CreateObject indicates the likely intent to download and execute a second-stage payload from a remote source, a hallmark of Emotet droppers. The embedded URL, though benign according to reputation, is listed as an IOC due to its presence in the document.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9762517-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9762517-0
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` `991adc1ef45638c65bfb92a710fcbce350fe87d4c8d6f02dc16d9130cc12b6e6`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20616 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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