Office (OLE) / .DOCX malware analysis — malicious · fcee7dbc5b468506

MALICIOUS

Office (OLE) / .DOCX

157.7 KB Created: 2020-10-19 19:04:00 Authoring application: Microsoft Office Word

MD5: 945ae83457e15b0d24985c8c0c245923 SHA-1: 97fa896ed862b0904833f5ae79c9d5ff3018785d SHA-256: fcee7dbc5b468506c17395baa69a4ecf7efc61dc1994fc1f563c27cdd9792cd8

240 Risk Score

Malware Insights

MITRE ATT&CK

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

The file contains a malicious VBA macro that automatically executes upon opening, as indicated by the 'Document_Open' and 'OLE_VBA_PCODE_AUTOEXEC_EXEC' heuristics. This macro is designed to create objects and likely download and execute a secondary payload. The ClamAV detection further confirms its malicious nature. The embedded URL was confirmed benign and the document body was heavily obfuscated, providing no direct clues to the specific lure.

Heuristics 7

ClamAV: Doc.Malware.Sagent-9780620-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Sagent-9780620-0
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` `f5b87ce45487709d15d050e57056fa93cd3421269a64b3bdcf77894d3425125c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15582 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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