Office (OLE) / .DOC malware analysis — malicious · 2b006308963f46f1

MALICIOUS

Office (OLE) / .DOC

154.2 KB Created: 2020-09-14 17:52:00 Authoring application: Microsoft Office Word

MD5: 89625af9fa3d1475b7c87bdccfc15842 SHA-1: 8e70046284432dba6d2dd688c0f795608f292960 SHA-256: 2b006308963f46f1dfb5287cd5a6b12dcb5856653ce7b98adbad16cc057baae3

240 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 that utilizes CreateObject, indicating an attempt to execute code upon opening. The presence of 'macros.bas' and the critical ClamAV detection strongly suggest malicious intent. The macro likely downloads and executes a second-stage payload, as indicated by the heuristic firings related to auto-execution and code execution tokens.

Heuristics 7

ClamAV: Doc.Malware.Generic-9760287-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Generic-9760287-0
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` `1c1ac6d8019d3317e1fd9360b916f40afe347161c1d653ef40242d0284d5107c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18510 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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