Office (OLE) / .DOCX malware analysis — malicious · d2c7f98bd9ddf170

MALICIOUS

Office (OLE) / .DOCX

175.8 KB Created: 2020-09-28 21:56:00 Authoring application: Microsoft Office Word

MD5: cbea1dc428e7934e49ae4535a5a381cf SHA-1: f03b04199b93831a403446ac41975cb6c6ef67d6 SHA-256: d2c7f98bd9ddf170cc94395ee616eee8481b5484e7e1be8648984a357345b673

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for OLE_VBA_MACROS, OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC indicate the presence of a malicious VBA macro designed to execute automatically. The extracted artifact 'macros.bas' is likely the source of this malicious code. The macro's intent is to download and execute a secondary payload, as suggested by the 'CreateObject' call and auto-execution tokens.

Heuristics 7

ClamAV: Doc.Malware.Generic-9769001-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Generic-9769001-0
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` `fe19635e7383e285d173bce1f5bbd9867258f7974e3830e10aecb187a337391c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6691 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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