Office (OLE) / .DOC malware analysis — malicious · 498503fb09545b11

MALICIOUS

Office (OLE) / .DOC

217.9 KB Created: 2020-09-21 23:04:00 Authoring application: Microsoft Office Word

MD5: 1a81dc21193a9dd70910a67a051b8eb6 SHA-1: 6c75ffa09de1e74896d31652a319b744c0b64ab2 SHA-256: 498503fb09545b113369b5d7940ecd8586fa6711cb3a1b833e7e2b6f4d74dd52

280 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 is configured to execute automatically upon opening the document. Heuristics indicate the use of CreateObject and GetObject, common for downloading and executing payloads. The ClamAV detection 'Doc.Malware.Sagent-9764704-0' further supports a malicious classification. The macro likely attempts to download and execute a second-stage payload, although the specific URL or execution method is not directly visible in the provided evidence.

Heuristics 8

ClamAV: Doc.Malware.Sagent-9764704-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Sagent-9764704-0
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` `50bfbdd07ba14490c9717edeea07b93592fbd1031d8de4b70bb45954a661031c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19154 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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