Logan Office (OLE) / .DOCX malware analysis — malicious · fe51fd4c0a680a85

MALICIOUS

Office (OLE) / .DOCX

184.5 KB Created: 2020-10-22 06:54:00 Authoring application: Microsoft Office Word

MD5: 0a5a83f5e913695c2b16ef18f5e8498a SHA-1: c4887d2e18a517666ca9b78e8e0eb73befa2d7f9 SHA-256: fe51fd4c0a680a852cd8d8b37f3edd5ab6f86cfa69f7ad9df4dc7cd82301a29a

240 Risk Score

Malware Insights

Logan · confidence 95%

MITRE ATT&CK

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

The file contains VBA macros, specifically a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection as 'Doc.Downloader.Logan-9781905-0' strongly suggests the Logan family. The macro's use of CreateObject indicates it likely attempts to download and execute a second-stage payload, aligning with the downloader functionality typical of the Logan family. The obfuscated document body text does not provide further context on the lure.

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` `9979b97c308d841b566985c48e8a84b999556c3e27641c5af6c36c44f3b0664e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18953 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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