Office (OLE) / .DOCX malware analysis — malicious · eded433f531513b9

MALICIOUS

Office (OLE) / .DOCX

152.1 KB Created: 2020-09-24 05:47:00 Authoring application: Microsoft Office Word

MD5: 14b4fa09a894c739656778c93fd481f1 SHA-1: ab88f06b7b1bfb468d39e50956c55d759ee016f7 SHA-256: eded433f531513b960d540a5a009de4bf991d6ef3a525317bc5c1ee9f10c1192

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject to execute code. The ClamAV detection 'Doc.Trojan.Agent-9765752-0' and the presence of a VBA macro named 'macros.bas' strongly indicate malicious intent. The document body appears to be heavily obfuscated or corrupted, but the heuristics confirm the execution of VBA code, likely to download and execute a second-stage payload.

Heuristics 7

ClamAV: Doc.Trojan.Agent-9765752-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Agent-9765752-0
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` `b0798fb7450882311ba60b57e039433588cb794c6cc8a10f75d1de73c5c7973a`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19490 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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