Office (OLE) / .DOC malware analysis — malicious · e30e10523919983a

MALICIOUS

Office (OLE) / .DOC

387.5 KB Created: 2021-06-17 22:49:00 Authoring application: Microsoft Office Word

MD5: 83e96cc4313ffc6108e7149690952921 SHA-1: b9e4f34c9ca035cce7c83852e6893fab107a16e0 SHA-256: e30e10523919983aa4bc82122bd2ad2d1697dd6e2df3495127dc65d043e08f9f

222 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file contains VBA macros, specifically a Document_Open macro that uses CreateObject, indicating an attempt to execute code automatically when the document is opened. The presence of Windows Script Host references further supports malicious intent. No document body text was available for analysis, but the script execution pattern suggests a downloader or initial access mechanism.

Heuristics 7

Reference to Windows Script Host high SC_STR_WSCRIPT

Reference to Windows Script Host
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 — context-specific rules above attribute URLs they actually evaluated; this rule lists URLs that were present in the bytes but were not otherwise tied to a specific finding.

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` `2044c750b32a3dbd62f6d7baf780aa30bb2c2629ea1409e250f549e08e8cef3b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	865 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 9 Chr/ChrW string-construction calls. Carved macro source contains an auto-exec entry point and execution/download terms.

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