Office (OLE) / .DOC malware analysis — malicious · 8c631ee8db950c93

MALICIOUS

Office (OLE) / .DOC

159.2 KB Created: 2020-09-22 07:35:00 Authoring application: Microsoft Office Word

MD5: 2a52f7fcac7c198822b0b01cc8ae6c41 SHA-1: a09a9d885714648d0f6235ae9dfc15013252c240 SHA-256: 8c631ee8db950c9391df61c02b0a50f1bcc096b8a195355ae59f0b8f00a0d3d0

280 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The sample is a malicious OLE document containing VBA macros. The presence of a 'Document_Open' macro and 'CreateObject'/'GetObject' calls indicates an attempt to automatically execute code when the document is opened. The ClamAV detection and heuristic firings strongly suggest this is a downloader or droppper, designed to fetch and execute further malicious content. No specific URLs or executable payloads were directly extracted, limiting the IOCs.

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` `a112d95a2b3b8361e272604fc368010c1a607c2cd21f88c20a607d79b8ac6136`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16742 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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