Office (OLE) / .DOCX malware analysis — malicious · b0c1e64b3b04df99

MALICIOUS

Office (OLE) / .DOCX

216.9 KB Created: 2020-09-21 20:39:00 Authoring application: Microsoft Office Word

MD5: ebda930631fcdf67fa65954364ae1cc7 SHA-1: 58464816bcaf5dc739362f6bc2687c70ec50e3b5 SHA-256: b0c1e64b3b04df99668587d56d89c513ced13de50d8596e1d49a2eac66c96049

280 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The file contains VBA macros, specifically a Document_Open macro that is configured to execute automatically. Heuristics indicate the use of CreateObject and GetObject, common for downloading and executing payloads. The ClamAV detection as 'Doc.Downloader.Generic' further supports this. The embedded URL, though benign according to reputation, is likely a placeholder or part of the download mechanism.

Heuristics 8

ClamAV: Doc.Downloader.Generic-9764666-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-9764666-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `6d2f50f334b8e082813c694e310720d341c184a4af51360bc43b61318b8ab2c5`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19051 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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