Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 d63f70d8e755280d…

MALICIOUS

Office (OLE)

32.0 KB Created: 2004-02-17 20:22:00 Authoring application: Microsoft Word 10.1
MD5: 316765df1e00ad97aba8bc74c7b82238 SHA-1: 7ddaa3ac608318e0e100341bda02fa9cbb2ee7a8 SHA-256: d63f70d8e755280dc455a62ade421222e946034a7614ba9f20b631cebe16001a
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is identified as malicious by ClamAV with the signature Doc.Trojan.Locale-1. It contains VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code when the document is opened. No specific IOCs were extracted beyond the presence of the macro itself.

Heuristics 4

  • ClamAV: Doc.Trojan.Locale-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Locale-1
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • 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
8d22881a2ac373b5e3d86d117fae1ab27791a6f8745f1f8369c2b5f5694c8b7e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1575 bytes
Detection
ClamAV: Doc.Trojan.Locale-1
Obfuscation or payload: unlikely

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