Office (OLE) / .DOC malware analysis — malicious · cdae75ef6faa401d

MALICIOUS

Office (OLE) / .DOC

144.8 KB Created: 2021-01-05 07:06:00 Authoring application: Microsoft Office Word

MD5: 16477944a6618964ca850b0f25488d54 SHA-1: 35c0561e80cd11e21e8bed3dbb722f6858b1c0e6 SHA-256: cdae75ef6faa401d1cd5218ec766033b93c213dacda3f5860bd85ed0700b456a

180 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, indicated by the 'Document_Open' and 'OLE_VBA_PCODE_AUTOEXEC_EXEC' heuristics. The macro utilizes 'CreateObject', a common technique for initiating malicious actions such as downloading and executing further payloads. No specific URLs or file hashes were extracted, but the presence of auto-executing VBA code strongly suggests a downloader or dropper functionality.

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` `d3b097275af7032178b4c001ca8fbb5e7bf0f68c090585141a79334ce9cb0a60`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	10798 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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