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

Static analysis result for SHA-256 60a13a8557d75901…

MALICIOUS

Office (OLE) / .EXE

505.5 KB Created: 1998-11-15 14:08:00 Authoring application: Microsoft Word 8.0
MD5: ab3cd78ed941e4cfb17afcb9ce4bdd0c SHA-1: 2bbe7358be8f217485de711a9ef2570c2e797115 SHA-256: 60a13a8557d7590126dd97cb3cd8377349dd01a90563b7fa537b947780f5d3a3
282 Risk Score

Malware Insights

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

The file contains VBA macros, including AutoOpen and Document_Open, which are commonly used to execute malicious code upon opening. The 'SC_STR_WSCRIPT' heuristic and the presence of VBA code that references Windows Script Host and registry keys suggest the macro attempts to download and execute a second-stage payload. The embedded URL 'http://www.avp.ch' is also a potential indicator of compromise.

Heuristics 8

  • ClamAV: Doc.Trojan.Class-23 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Class-23
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • Auto_Close macro high OLE_VBA_AUTOCLOSE
    Auto_Close 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
  • 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://www.avp.ch

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
cdd40652aa9b787add8cd929909790c098d5c40da8495601927c571e5d690af9		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 84820 bytes

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