Office (OLE) / .DOC malware analysis — malicious · 34b6e4f13142d01e

MALICIOUS

Office (OLE) / .DOC

155.1 KB Created: 2020-09-22 12:54:00 Authoring application: Microsoft Office Word

MD5: 7c731605271581d67c7f3399d24fbd3e SHA-1: 2eb4ed90db7dd4ea753a21b4aac69ed8382b827d SHA-256: 34b6e4f13142d01e16cdb53dbe5ae473d27b589122fd6a511b77fee4d5110b1d

280 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample is a malicious DOC file containing VBA macros. The 'Document_Open' macro is present and configured to execute automatically, indicating an attempt to run code upon opening. Heuristics indicate the use of CreateObject and GetObject, common for downloading and executing payloads. The ClamAV detection provides a strong indicator of malicious intent. No specific family could be identified, but the behavior suggests a downloader.

Heuristics 8

ClamAV: Doc.Malware.Ewtz-9765424-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Ewtz-9765424-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `63bc7201a259a9f3eac24fc4f9990c61de6bed3eb66abffd8ef4af2ac67d9b62`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15901 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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