Office (OLE) / .DOC malware analysis — malicious · 35422a417432ffa6

MALICIOUS

Office (OLE) / .DOC

163.9 KB Created: 2020-09-17 22:39:00 Authoring application: Microsoft Office Word

MD5: 71cf8bbb7d0eada74b4aa426b3693689 SHA-1: 13ea6ca92ee7f14a2ea8c4a349743df603fe2ab7 SHA-256: 35422a417432ffa66edca6cb55b6e7d98bca2c621014133e55beac2e9a02bf11

240 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample contains a Document_Open VBA macro that utilizes CreateObject, indicating an attempt to execute code. The presence of VBA macros and the ClamAV detection as 'Doc.Downloader.Generic' strongly suggest this document is designed to download and execute a second-stage payload. The macro's auto-execution and the use of CreateObject are key indicators of this malicious behavior.

Heuristics 7

ClamAV: Doc.Downloader.Generic-9763145-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-9763145-0
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` `1e2a7d06314ac88dde2877d244d6ca5e91533ec592ad1318aa4aab91c451ca9e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	21979 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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