Malicious Office (OLE) / .DOCX — malware analysis report

Static analysis result for SHA-256 69246d46d3c893a3…

MALICIOUS

Office (OLE) / .DOCX

178.5 KB Created: 2020-10-22 10:11:00 Authoring application: Microsoft Office Word
MD5: f7683a05f3983cc6d098b579e45dd2a3 SHA-1: ccb7889ff3bbce33b61fd93f490b650564b75f3a SHA-256: 69246d46d3c893a3ee3740f371c6d72698daa05ba77e3dd8a2c9a4aaaf86aab7
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The file contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for initiating malicious actions upon opening the document. The presence of CreateObject calls and the ClamAV detection as 'Doc.Downloader.Logan' strongly suggest that the macro's purpose is to download and execute a secondary payload. No specific family could be identified, but the behavior is consistent with a downloader.

Heuristics 6

  • ClamAV: Doc.Downloader.Logan-9781905-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Logan-9781905-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
f977b274eae3d98ca756a10910ec7f42c1a29b087c225685f92a2f289133a3d9		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18827 bytes

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