Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 f7ef4989cbd69548…

MALICIOUS

Office (OLE)

29.5 KB Created: 2010-04-07 02:11:00 Authoring application: Microsoft Word 9.0
MD5: 06de02697c0f5d9f767db8253dc5286e SHA-1: 1382b7450b0d192dbec4fe5b42e3fbdde55cb18b SHA-256: f7ef4989cbd69548f9d7a63b6073c44e2d696a95b4c52d92c8b90c496ce62b83
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is an OLE document containing VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening. ClamAV detections indicate it is a known trojan. While the document body discusses academic pursuits, the presence of the Document_Open macro strongly suggests it's a lure for delivering a malicious payload. No specific IOCs like URLs or hashes were extracted from the macro itself.

Heuristics 4

  • ClamAV: Doc.Trojan.Thus-8 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Thus-8
  • 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
d5f45611bfa6563a6b72fa819f55b29b6bd4ab0b737dc9cfa8c74ec73a044a54		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2597 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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