Office (OLE) / .DOC malware analysis — malicious · 90467ce1f6e9e617

MALICIOUS

Office (OLE) / .DOC

177.0 KB Created: 2021-01-22 10:24:00 Authoring application: Microsoft Office Word

MD5: 42682242d914ba98edce536adb0537bd SHA-1: ab155ff39189fb193fe380a955728f392fbcadf1 SHA-256: 90467ce1f6e9e6174719f767a867c418815cddd28f30d3ceda333b4d7fba2f02

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059.001 PowerShell

The sample contains a critical ClamAV detection for 'Doc.Malware.Emodldr-10033991-0', indicating it is a known malware variant. High-severity heuristics confirm the presence of a VBA macro that automatically executes upon opening the document, likely to download and execute a second-stage payload. The 'CreateObject' call and 'auto-exec with execution tokens' heuristics further support this malicious behavior.

Heuristics 7

ClamAV: Doc.Malware.Emodldr-10033991-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emodldr-10033991-0
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` `b797bdff6d18edabc5d90a8d419e6bd318927838a8eade718328ed83a496b8ac`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16627 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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