Office (OLE) / .DOC malware analysis — malicious · 1f3b2994b8b5fe5e

MALICIOUS

Office (OLE) / .DOC

103.0 KB Created: 2020-05-27 10:29:00 Authoring application: Microsoft Office Word

MD5: 88eb0d967cee8cf7b1f6cf9603e1c99d SHA-1: 419389ee23cb5559afe4e34746d2a48496a8a292 SHA-256: 1f3b2994b8b5fe5ea88e74e103e8d7822c82bc6a159e6248e047db2aeb302c01

202 Risk Score

Malware Insights

MITRE ATT&CK

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

The file is a Microsoft Office document containing VBA macros, specifically triggering an AutoOpen event and a GetObject call. This indicates the document is designed to execute malicious code upon opening. The presence of a 'macros.bas' file and the ClamAV detection as 'Doc.Downloader.Generic' strongly suggest this is a downloader. The macros likely attempt to download and execute a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Generic-7906099-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-7906099-0
AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen macro
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.
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` `d5d3b88f75b7472be1856490d2524724737bee9a08cddc871647dcacc8759cf8`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8969 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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