Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 d7bf0b6fd23d38db…

MALICIOUS

Office (OLE)

46.0 KB Created: 2008-06-14 03:03:00 Authoring application: Microsoft Word 11.3.5
MD5: 36ee6fcfa2733ddabbc279081674dae7 SHA-1: cd943e88f0f03f5c2b792998ab9c445944727228 SHA-256: d7bf0b6fd23d38db9760785a048a91b6d0a2b5710ec00a2d59802cc549020d99
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic for Applications T1204.002 Malicious File

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro, which is a common technique for initial execution. ClamAV signatures identify it as 'Doc.Trojan.Walker-6'. While the document body discusses technology and societal issues, it serves as a lure to encourage macro execution. The presence of a Document_Open macro strongly suggests the intent is to download and execute a second-stage payload, although no specific URLs or further execution details were extracted from this sample.

Heuristics 4

  • ClamAV: Doc.Trojan.Walker-6 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Walker-6
  • 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
76ae557916aa0aa8833b82b8af577cd30a68adb40dea342ba4ad0a7e5dc003b0		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 3157 bytes
Detection
ClamAV: Doc.Trojan.Walker-6
Obfuscation or payload: unlikely

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