Office (OLE) / .DOC malware analysis — malicious · 44fd0e531f131ec3

MALICIOUS

Office (OLE) / .DOC

239.5 KB

MD5: 5cdf50dce569075a857858b3cc5d3017 SHA-1: cf355cbc715078bcfa5a07410eebefbc473b6261 SHA-256: 44fd0e531f131ec3393dcbb90c1ac8baee6d5c4438afa02d458e67436af9a1b9

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File T1059.001 PowerShell

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating an attempt to execute code upon opening. The ClamAV detection 'Doc.Downloader.Generic-9785156-0' and the presence of a 'macros.bas' file strongly suggest this is a downloader. The document body content is heavily obfuscated and does not provide clear user-facing text, but the technical indicators point to a malicious downloader attempting to execute a second-stage payload.

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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