Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 741079f5e75b0087…

MALICIOUS

Office (OLE)

53.5 KB Created: 2009-03-18 16:08:00 Authoring application: Microsoft Word 8.0
MD5: 8ceff65c23640c9cdf6e854ed38280ac SHA-1: c0c3ff120a4d7869a9ff60764ecc430f5def9f9e SHA-256: 741079f5e75b00876f48bb8938e827b3cd22ec8bc863fe0d2c97bf16a00bad09
180 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV with the signature Doc.Trojan.Nori-1. Static analysis detected VBA macros, specifically an AutoOpen macro, indicating a likely attempt to execute malicious code upon opening the document. The document body discusses ecological systems, which appears to be a lure, with the primary malicious functionality being the embedded macro.

Heuristics 4

  • ClamAV: Doc.Trojan.Nori-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Nori-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.
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen 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
50b5a091f6f5cee4ab646dbb9f6e9a98f8914782018ff8b704d7dfc1f28db34f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8080 bytes
Detection
ClamAV: Doc.Trojan.Nori-1
Obfuscation or payload: unlikely

Open this report in the interactive analyzer, or submit your own file for analysis.