Office (OLE) / .DOCX malware analysis — malicious · 8b081a09069960c7

MALICIOUS

Office (OLE) / .DOCX

172.0 KB Created: 2020-09-17 10:17:00 Authoring application: Microsoft Office Word

MD5: 24569c12113e123a8dd60b4471b90af5 SHA-1: a3e62fc49f684eb779659f68c5992567c478c00e SHA-256: 8b081a09069960c73f3ed3a1535f10fc2f69885e61ff050e9a22b2d471bca7de

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The sample contains VBA macros, specifically a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The presence of CreateObject calls and p-code auto-execution further supports this. ClamAV detection as 'Doc.Downloader.Generic' confirms its malicious nature. The macros likely download and execute a second-stage payload, although the specific URL is benign.

Heuristics 7

ClamAV: Doc.Downloader.Generic-9762674-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-9762674-0
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` `9ba8ec3966e91d175acafd30ec3438df19c84a3d5c19c35fd5e40d1b639faa28`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20635 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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