Office (OLE) / .DOC malware analysis — malicious · b790fd522b6d07b4

MALICIOUS

Office (OLE) / .DOC

105.5 KB

MD5: 11e81aff6fc1c14e69587f91b23fd99e SHA-1: 9e6f9260832c09612e1f8648fc3b03700596c5d9 SHA-256: b790fd522b6d07b493726ff06e84d57522bedd2c69a7cf0a20e1e28dc3f64e31

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is a malicious OLE document containing VBA macros. The 'Document_Open' macro is automatically executed upon opening the file, which is a common technique for initiating malicious actions. The presence of 'CreateObject' and p-code execution further indicates malicious intent. The extracted 'macros.bas' file is the primary artifact associated with this malicious behavior.

Heuristics 6

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` `98d39f10c3d21a442792c4a85ae8f4d116fe44e4e5216681de75a0b149958fca`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	13284 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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