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

Static analysis result for SHA-256 88ea77c3b31c1305…

MALICIOUS

Office (OLE) / .DOT

810.0 KB Created: 2000-06-13 07:16:00 Authoring application: Microsoft Word 8.0
MD5: 2c9a074bb88bffc82065f638fb636823 SHA-1: 2103413f5375ba3957478c90ce84c1ade08db165 SHA-256: 88ea77c3b31c1305c5d08c6e3c4962343149ab019014ee3a8875cd492ac0c099
240 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is a Microsoft Word template (.DOT) containing a large VBA macro. Heuristics indicate exploitation of CVE-2012-0158 and CVE-2015-0097, and a critical finding of a Shell() call within the Document_Open auto-execution macro. This strongly suggests the macro is designed to execute arbitrary commands, likely to download and run a second-stage payload. No specific family could be identified from the available evidence.

Heuristics 6

  • MSCOMCTL.ListView — CVE-2012-0158 high CVE likely CVE_2012_0158
    MSCOMCTL.ListView — CVE-2012-0158
  • ADODB.RecordSet — CVE-2015-0097 high CVE likely CVE_2015_0097
    ADODB.RecordSet — CVE-2015-0097
  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
cafbd3fe30edaf0b94043b0c54f6a99bdb2b92cff1443c705708778ca3fe04ad		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 603300 bytes

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