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

Static analysis result for SHA-256 022b2176a60a0c1a…

MALICIOUS

Office (OLE) / .DOC

152.5 KB Created: 2020-09-14 17:52:00 Authoring application: Microsoft Office Word
MD5: 35e3f673a2dacebf07a536f6bc6d0293 SHA-1: 17903765df6e58883b8156948536801fdc972e4c SHA-256: 022b2176a60a0c1a4b01973a41185035d1f0b6bac6eaf5992554cdd42883565e
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate or Obfuscate

The sample contains VBA macros, including a Document_Open macro, which is a common technique for executing malicious code upon opening the document. The presence of CreateObject calls and p-code execution further indicates malicious intent. While the specific payload is not directly visible, the macro's structure suggests it is designed to download and execute a second-stage payload. The ClamAV detection also confirms its malicious nature.

Heuristics 6

  • ClamAV: Doc.Malware.Generic-9760287-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Generic-9760287-0
  • 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
1c1ac6d8019d3317e1fd9360b916f40afe347161c1d653ef40242d0284d5107c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18510 bytes

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