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

Static analysis result for SHA-256 0c2ae9a1118e6cda…

MALICIOUS

Office (OLE) / .DOCX

150.1 KB Created: 2020-09-24 10:05:00 Authoring application: Microsoft Office Word
MD5: 2187104f02d57d1144d3af67877ebd37 SHA-1: 5b38e2bbece7d79c4009d1adb5fd4732851e0f35 SHA-256: 0c2ae9a1118e6cda72f1b0904311e5ceb1a2f2609a0a142df82032645a54e32c
202 Risk Score

Malware Insights

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

The sample is a malicious Office document containing a VBA macro that is automatically executed upon opening (Document_Open). The macro uses CreateObject and obfuscated string manipulation to likely download and execute a secondary payload. The ClamAV detection name 'Doc.Trojan.Agent-9765752-0' further supports its malicious nature.

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
b39e572cf96864edb4f5c39daa3a8388f74111156690860ca53002be67bbf3ff		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 20583 bytes

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