Office (OLE) / .DOC malware analysis — malicious · 2b260b592f6e9f67

MALICIOUS

Office (OLE) / .DOC

143.5 KB Created: 2024-12-06 08:29:00 Authoring application: Microsoft Office Word

MD5: ccee5554635189645f403d54e299abaa SHA-1: f81dca4282e38fade696b05ece8ada72147952c2 SHA-256: 2b260b592f6e9f67be0014acbaf684dee84679e9a085d508f76869c89f14a9bc

220 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic for Applications T1204.002 Malicious File T1566.001 Spearphishing Attachment

The sample is a malicious Office document containing VBA macros. The document body presents a fake holiday notice to trick the user into enabling content. The critical heuristic firing on Shell() call in VBA, combined with the Document_Open auto-execution, indicates that the VBA macros are designed to execute a command or download a second-stage payload. No specific family could be identified.

Heuristics 7

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
Macro/content-enable lure medium SE_ENABLE_LURE

Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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` `0c2a7a957af602c2eda9087e9eaee08b77aefb9073f8d588e47ab3b1fbfbc7a1`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	907 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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