Office (OLE) / .DOC malware analysis — malicious · 336eb996b05cc6c6

MALICIOUS

Office (OLE) / .DOC

173.0 KB Created: 2021-01-22 14:16:00 Authoring application: Microsoft Office Word

MD5: 482d5eeb93da4af923922a49746219c8 SHA-1: 4f62946bb88b31a4b219df93009f5cffba1dda3a SHA-256: 336eb996b05cc6c6e5c6d2a4fdc13c1a686dbd710e1bc3e6050472247cd50145

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is a malicious OLE document containing VBA macros. The 'Document_Open' macro is automatically executed, which uses 'CreateObject' to likely download and execute a second-stage payload. The ClamAV detection 'Doc.Malware.Emodldr-10033989-0' further confirms its malicious nature. The document body content is heavily obfuscated and does not provide clear user-facing text, but the macro execution is the primary indicator of malicious intent.

Heuristics 7

ClamAV: Doc.Malware.Emodldr-10033989-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emodldr-10033989-0
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` `d24bf6c05d873ed4452086fb5653cef95c744ffc0e36b960245e1e16185466d9`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16099 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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