Office (OLE) / .DOC malware analysis — malicious · 97bd71288276b229

MALICIOUS

Office (OLE) / .DOC

37.0 KB Created: 2026-02-12 07:48:00 Authoring application: Microsoft Office Word First seen: 2026-02-12

MD5: 7b091d4053e9c71e2222dc062be9992f SHA-1: 135156dc2d4272dd5e2e96fd7eef2127d3af87a9 SHA-256: 97bd71288276b2294484b74b953cc1bdb1881bd1af2216a568ead520d9db05ca

202 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample contains a VBA macro that is automatically executed upon opening the document. This macro utilizes the Shell() function, indicating an attempt to execute external commands or download additional payloads. The VBA code exhibits string obfuscation, making it difficult to determine the exact nature of the executed payload without further dynamic analysis. The presence of the Document_Open macro and the Shell() call strongly suggests a downloader or initial execution stage for a more complex attack.

Heuristics 6

Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
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` `d0ab3b338ce7574311e74f535b5015e4ace7e3d189cd81d0c1e97c76de1705aa`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	5039 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 39 Chr/ChrW string-construction calls. Carved macro source contains an auto-exec entry point and execution/download terms.

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