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

Static analysis result for SHA-256 14d3028b892573f0…

MALICIOUS

Office (OLE) / .DOC

152.9 KB Created: 2020-09-24 05:47:00 Authoring application: Microsoft Office Word
MD5: 3724b79bb0a4f7f57960e51a6ae80148 SHA-1: 877c38b483ac87b16d0a3469bc7f525e83edcb4c SHA-256: 14d3028b892573f0d8b812deb455b13424beb8580cd1d928cabdbe4c613a7e22
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is a malicious Office document containing VBA macros. The 'Document_Open' macro is present and configured to execute, indicating an attempt to run malicious code upon opening. The VBA code is heavily obfuscated, but the presence of 'CreateObject' and the ClamAV detection 'Doc.Trojan.Agent-9765752-0' strongly suggest it's designed to download and execute a secondary payload. The obfuscated document body text appears to be an attempt to disguise the malicious intent.

Heuristics 6

  • ClamAV: Doc.Trojan.Agent-9765752-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Agent-9765752-0
  • 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.

FilenameKindSourceSize
macros.bas
b0798fb7450882311ba60b57e039433588cb794c6cc8a10f75d1de73c5c7973a		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19490 bytes

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