Office (OLE) / .DOCX malware analysis — malicious · 2b8dfcf8783b72ba

MALICIOUS

Office (OLE) / .DOCX

240.5 KB Created: 2020-10-29 04:25:00 Authoring application: Microsoft Office Word

MD5: 705bc94a8ff91bb7e825e2f24234050d SHA-1: 3f9860bc04dadeb08060c839a812b474cdee41be SHA-256: 2b8dfcf8783b72baca00a99f5e1caf12a714d64def58cc7aa262953c60fd6b85

240 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample contains VBA macros, including an auto-executing Document_Open macro that utilizes CreateObject. This is indicative of a downloader. The ClamAV detection 'Doc.Downloader.Generic-9785156-0' further supports this, identifying the file as a generic document downloader. No specific URLs or scripts were extracted for further analysis, but the presence of auto-executing VBA macros strongly suggests the intent to download and 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` `6946a447d4e81b55f46842d89fcb86ebdb7dd8c4ce560afbdde9533734f99d67`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18622 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

Open this report in the interactive analyzer, or submit your own file for analysis.