Office (OLE) malware analysis — malicious · 5215ec882e86e860

MALICIOUS

Office (OLE)

156.0 KB Created: 2020-09-14 19:47:00 Authoring application: Microsoft Office Word

MD5: 463e1c5f330511fddc44ab38137f58bf SHA-1: f827fc6605b07253fe0f0500ab4a9087ed82411b SHA-256: 5215ec882e86e8604927d2f9da1a9ac3d0f6cb8cb2cf4b53441df2a10602bcfa

240 Risk Score

Malware Insights

MITRE ATT&CK

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

The file contains a malicious VBA macro, specifically a Document_Open macro that uses CreateObject to execute arbitrary code. This is a common technique for delivering second-stage payloads. The ClamAV detection further confirms its malicious nature. No specific family could be identified, but the attack pattern is consistent with macro-based malware delivery.

Heuristics 7

ClamAV: Doc.Malware.Generic-9760307-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Generic-9760307-0
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` `0b6180fea2f2eb783f5bda16a3b3f9aadc8aaa21f7b3f16e95bf573cb2bafb66`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18514 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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