Office (OLE) / .DOCX malware analysis — malicious · adb4e66249d841c9

MALICIOUS

Office (OLE) / .DOCX

151.7 KB Created: 2020-09-24 10:05:00 Authoring application: Microsoft Office Word

MD5: c2edf28c01375cc568bb2b2b9e163112 SHA-1: 00ecb9ba4af0745e8af1a99cbcf88d19c889b25b SHA-256: adb4e66249d841c987f80f9d50cc6812bf7886019be050ddc644ca97c0116aba

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1059.005 Visual Basic

The sample contains VBA macros, including a Document_Open auto-execution macro. This macro utilizes CreateObject and appears to execute a PowerShell command, as indicated by the 'PowerShell -ENCODE ...' string in the document body. The presence of the 'macros.bas' artifact further supports the macro execution. The exact intent of the PowerShell command is obscured by encoding, but the overall pattern suggests a downloader or initial execution stage.

Heuristics 7

ClamAV: Doc.Trojan.Agent-9765752-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Agent-9765752-0
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` `b39e572cf96864edb4f5c39daa3a8388f74111156690860ca53002be67bbf3ff`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20583 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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