Office (OLE) / .DOC malware analysis — malicious · 69705669032d18f4

MALICIOUS

Office (OLE) / .DOC

148.0 KB Created: 2018-03-23 11:12:00 Authoring application: Microsoft Office Word

MD5: 500725d382e093f6a6f8fcb541b7026f SHA-1: 5004ee6dcf99b21bada10e5f7091ab7e856f4281 SHA-256: 69705669032d18f48542c53eb9db9bf41f012dcf4c206b0b3501e81696643367

204 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate or Obfuscate Malicious Code

The file is a malicious Office document containing VBA macros, specifically an AutoOpen macro that uses CreateObject to execute code. ClamAV identifies it as 'Doc.Malware.Emodldr-10025032-0', suggesting it's a known downloader. The VBA macro code is heavily obfuscated, but the presence of 'CreateObject' and the detection name strongly indicate its purpose is to download and execute a secondary payload. The embedded URL 'http://schemas.openxmlformats.org/drawingml/2006/main' was confirmed benign and is likely a false positive or part of the obfuscation.

Heuristics 7

ClamAV: Doc.Malware.Emodldr-10025032-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emodldr-10025032-0
AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen 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.
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Suspicious extracted artifact info 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.
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` `998f8e8bc5acfc69747ef0b6799b08c9a0b7f298c9db56a759e8050aceb4326b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	44922 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 24 long base64-like blob(s).

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