Office (OLE) / .DOCX malware analysis — malicious · 3a9457301ccae055

MALICIOUS

Office (OLE) / .DOCX

194.0 KB Created: 2020-10-22 20:29:00 Authoring application: Microsoft Office Word

MD5: cab30ac6f6e1cac9e82b46bd6f5c2f2b SHA-1: ddce937258751b9a47851ca823cd53d12257d1a4 SHA-256: 3a9457301ccae0550d3264295b9c9e32bfe72cf042698300e4c6cce9a40b9aa0

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for initiating malicious activity upon document opening. The critical ClamAV detection as 'Doc.Downloader.Logan-9781905-0' strongly suggests a downloader functionality. The presence of VBA macros and the downloader signature indicate the file's primary purpose is to fetch and execute additional malware. No specific family could be confidently identified.

Heuristics 7

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.
Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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.

Filename	Kind	Source	Size
`macros.bas` `9ca879422c3203043eb02bf7332bfccca42d062c85606acaa47b14db718d1f57`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	22796 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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