Office (OLE) / .DOC malware analysis — malicious · a1232c9369eab448

MALICIOUS

Office (OLE) / .DOC

200.1 KB Created: 2020-09-21 06:43:00 Authoring application: Microsoft Office Word

MD5: e5eb5da00dce6416605a2156bcf1360c SHA-1: dee54c69849afca9d410703bf422d79ef66d359e SHA-256: a1232c9369eab448a61306c27fceafaec4fc8b7cfa4fcfe7deb2d65ab628a4bf

280 Risk Score

Malware Insights

MITRE ATT&CK

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

The file contains VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening the document. The presence of CreateObject and GetObject calls further indicates the execution of arbitrary code. ClamAV detection as 'Doc.Downloader.Generic' suggests the macro's purpose is to download and execute a secondary payload. No specific family could be identified, but the attack pattern is consistent with a macro-based downloader.

Heuristics 8

ClamAV: Doc.Downloader.Generic-9764468-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-9764468-0
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` `7169cbbf5de322d778ca9a77dc58bcf8bb22a6f6d4bfec64dbfa06bc63509b99`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19229 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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