Office (OLE) / .DOCX malware analysis — malicious · a096f7b66e907965

MALICIOUS

Office (OLE) / .DOCX

35.5 KB Created: 2023-01-27 07:16:00 Authoring application: Microsoft Office Word

MD5: a8028e88dda7cb88dc87fec3767f3f4f SHA-1: e2ccc7d163ac0ee95167dc949b9b726743460558 SHA-256: a096f7b66e9079654889e129d328246f7283a4c6fdaa264dd5717a638ce73cce

142 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell

The sample is a Microsoft Office document containing a VBA macro. The 'AutoOpen' macro is present and uses a 'GetObject' call, indicating it is designed to execute code upon opening. The presence of a long encoded blob within the extracted artifacts further suggests obfuscated malicious code. The macro likely downloads and executes a second-stage payload.

Heuristics 6

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` `8d191237444c9a422a58c93798bf62480dcdf474a119fc1d3ad398a595144b9a`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1597 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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