Office (OLE) / .DOCX malware analysis — malicious · 57c1f23df2c1f827

MALICIOUS

Office (OLE) / .DOCX

181.5 KB Created: 2020-10-22 12:14:00 Authoring application: Microsoft Office Word

MD5: d6c9d9964b20f7d4b29b5ebca7f24621 SHA-1: 388c034f0773c406a9142c28eec7673c8fda4728 SHA-256: 57c1f23df2c1f827e744399fb2ee1d4f12f0499563ed8b6107f084c10468a565

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 document opening. The ClamAV detection 'Doc.Downloader.Logan-9781905-0' strongly suggests a downloader functionality. The obfuscated document body content does not provide direct clues to the lure, but the presence of macros and the ClamAV signature indicate the primary intent is to download and execute a second-stage 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` `312ef617e63493e61b3bcd46b3231fa9b7aec5a75b005f32edf123ee68ffccb7`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18806 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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