Office (OLE) / .DOCX malware analysis — malicious · 3a093470ce09cafa

MALICIOUS

Office (OLE) / .DOCX

154.9 KB Created: 2020-12-28 15:43:00 Authoring application: Microsoft Office Word

MD5: 294724cb7409b68ec50158a7f39d30f5 SHA-1: 7f6b8399c82a03a2a8a6f12246800b2b445c7f3f SHA-256: 3a093470ce09cafa0f7d71149c9044dbb8a180a06b9ce621ecd1f271784435c8

280 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The file contains VBA macros, including an auto-executing 'Document_Open' macro that uses 'CreateObject'. This is indicative of a downloader. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the document's content is designed to trick users into handling a password-protected archive, a common tactic to evade static analysis. The ClamAV detection further supports its malicious nature. The embedded URL is benign and likely part of the document's schema, not a malicious IOC.

Heuristics 8

ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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` `a004a96685dc375590aeec65acf06fce9e74ef2bbe0aa7a48bc315f9645e3700`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6009 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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