Office (OLE) / .DOC malware analysis — malicious · 541fe3cb96d86e7e

MALICIOUS

Office (OLE) / .DOC

238.6 KB

MD5: 233e564db288df4f134fc9b719b87286 SHA-1: e629990d4a9ebde644e8a4af02d01f9d22ff0545 SHA-256: 541fe3cb96d86e7e7acac38913e1f12a0006bb4e07269700b8878279ecb8df5c

240 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, as indicated by the Document_Open and p-code auto-exec firings. This macro likely functions as a downloader, as suggested by the ClamAV detection name 'Doc.Downloader.Generic-9785156-0' and the presence of an embedded VBA macro file. The macro's use of CreateObject further supports its role in executing external code. The document body content is heavily obfuscated and does not provide further clues.

Heuristics 7

ClamAV: Doc.Downloader.Generic-9785156-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-9785156-0
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` `46bbf753c021dd824889110da33bb354da3f9a617de0713dd50b52c1bcf8132b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18397 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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