Malicious Office (OLE) / .DOC — malware analysis report

Static analysis result for SHA-256 63791a89341405f3…

MALICIOUS

Office (OLE) / .DOC

3.16 MB Created: 2022-07-06 11:41:00 Authoring application: Microsoft Office Word First seen: 2022-07-18
MD5: 717717c3411af47ec2511e1dbc77ef9f SHA-1: bc5820411b679e4a8e66624e71a06ff5ce73599f SHA-256: 63791a89341405f3c2bfa9454358dc970156cd21a8c69a58cff48b97e991e07c
222 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1140 Deobfuscate/Decode Files or Information

The sample is a malicious Office document containing VBA macros, including AutoOpen and Workbook_Open, indicating it's designed to execute code upon opening. The document body contains a phone number and contact information, consistent with a callback phishing or tech-support scam lure. The critical ClamAV detection and the presence of complex, potentially obfuscated VBA code suggest the document's primary purpose is to download and execute a secondary payload.

Heuristics 7

  • ClamAV: Doc.Downloader.Generic-6698421-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Generic-6698421-0
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • Workbook_Open macro high OLE_VBA_WBOPEN
    Workbook_Open macro
  • Auto_Open macro high OLE_VBA_AUTO
    Auto_Open macro
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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 https://cv-maker.com
    • http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
00bd1de12c87a6706b566f7f4f5ab111db6861fc656b51cf63843e9e68e55941		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8388608 bytes

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