Logan Office (OLE) / .DOCX malware analysis — malicious · dc0ef0bf48199eb4

MALICIOUS

Office (OLE) / .DOCX

178.5 KB Created: 2020-10-22 15:17:00 Authoring application: Microsoft Office Word

MD5: f310ebff25473f15f40fdf1f1b27f6fe SHA-1: cc14c760b463ea1d6cbef6fea7079e9b4a3b444d SHA-256: dc0ef0bf48199eb407cb13b8506149dd5ecb392ee2682edc318b58f5d1dac769

240 Risk Score

Malware Insights

Logan · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic for Applications T1204.002 Malicious File

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open auto-exec macro. This macro utilizes CreateObject to likely download and execute a second-stage payload, as indicated by the ClamAV detection 'Doc.Downloader.Logan-9781905-0'. The document body appears to be heavily obfuscated or corrupted, preventing a clear understanding of its lure, but the presence of the auto-exec macro and the ClamAV signature strongly suggest a downloader functionality.

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` `cecccb4a1113767f9883636c8aa1a2de57ced4949da2d8bcaf50534e5e598b34`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18857 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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