Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 d93337ac1f693cbf…

MALICIOUS

Office (OLE)

40.5 KB Created: 2007-04-23 05:02:00 Authoring application: Microsoft Word 11.3
MD5: e570af814734949ed93307bc26288e7a SHA-1: 0da3c55ea07599f7373182281730542aa0088ed9 SHA-256: d93337ac1f693cbf68448a6de9e89e7074d64d1243af66a38991d5381c7d1898
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic for Applications T1059.001 PowerShell

The file is identified as malicious by ClamAV with the signature Doc.Trojan.Marker-2. It contains VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening the document. The document body presents a narrative about planning a road trip, which could be a pretext to trick the user into enabling macros or interacting with the document in a way that triggers the malicious payload. No specific IOCs beyond the ClamAV signature were extracted.

Heuristics 4

  • ClamAV: Doc.Trojan.Marker-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Marker-2
  • 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
4d1d72ec4fd1a71e174e71c43e09d7d40a5316ae9b3d514508a390fcb3d067e5		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 4248 bytes
Detection
ClamAV: Doc.Trojan.Marker-2
Obfuscation or payload: unlikely

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