Office (OLE) / .DOCX malware analysis — malicious · 4bdeb7f1d2695cf2

MALICIOUS

Office (OLE) / .DOCX

182.0 KB Created: 2020-10-22 07:03:00 Authoring application: Microsoft Office Word

MD5: 1c80dd1c60d40d59ecc148cb51f4d86e SHA-1: 9b3de0da3116c07c8d21d1ab229152afe392ad8a SHA-256: 4bdeb7f1d2695cf2ca448bfa344a7ea3244f67d6a64d6f2da062aba2c1eefec8

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for initiating malicious actions upon opening the document. The ClamAV detection 'Doc.Downloader.Logan-9781905-0' strongly suggests this file is a downloader. The obfuscated document body content does not provide further clues about the lure, but the presence of macros and the downloader signature indicate the primary intent is to fetch and execute a secondary payload.

Heuristics 7

ClamAV: Doc.Downloader.Logan-9781905-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Logan-9781905-0
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` `9eefe8f6ffcba14d0b71c6151e5387d8f5be4d801ca642a4cdf376fd6353abf9`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19020 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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