Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 e182a97760fd4911…

MALICIOUS

Office (OLE)

65.5 KB Created: 2008-11-04 05:41:00 Authoring application: Microsoft Word 10.0
MD5: 101efab3651d01ae5993d3e0371f3d78 SHA-1: e9f49690b9a437bc4e9fb2929afc70be5c5c2812 SHA-256: e182a97760fd4911a2852a36404f42fb4d71285c480ecf304121c7395a867854
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.Strings-1. Static analysis detected VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening the document. The presence of these macros strongly suggests the document is a dropper or downloader for other malware. No specific family could be identified.

Heuristics 4

  • ClamAV: Doc.Trojan.Strings-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Strings-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
bb3fdd3d064cdcf6a4f7e8ac833ee1d18b8cc1270816d75b45c36fc78384837d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 909 bytes
Detection
ClamAV: Doc.Trojan.Strings-1
Obfuscation or payload: unlikely

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