Doc.Downloader.00536d-6923444-0 — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 d845d9dcaccee2d0…

MALICIOUS

Office (OLE) / .DOC

35.5 KB Created: 2018-05-15 15:08:00 Authoring application: Microsoft Office Word
MD5: 98f16d79bb0a7bd3dd2e4e34f911f39b SHA-1: 4ec4129d93cea2acaf6a04d43c46ae968e9e109c SHA-256: d845d9dcaccee2d02d3195effdf8c99a412a884a85001531d552268e729b6f64
320 Risk Score

Malware Insights

Doc.Downloader.00536d-6923444-0 · confidence 95%

MITRE ATT&CK
T1059.001 PowerShell T1059.005 Visual Basic T1204.002 Malicious File

The file is a malicious Microsoft Office document containing VBA macros. Heuristics indicate the use of WScript.Shell and CreateObject, suggesting the macros are designed to execute commands. The ClamAV detection name 'Doc.Downloader.00536d-6923444-0' strongly suggests this document's purpose is to download and execute additional malware. The presence of the 'macros.bas' artifact further supports this. The embedded URL 'http://schemas.openxmlformats.org/drawingml/2006/main' was confirmed benign and is not considered a malicious IOC.

Heuristics 8

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • WScript.Shell usage critical OLE_VBA_WSCRIPT
    WScript.Shell usage
  • ClamAV: Doc.Downloader.00536d-6923444-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.00536d-6923444-0
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • 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.

FilenameKindSourceSize
macros.bas
97a90409b02a9f4b24504574ddaea16eea711dae84d2876457ccad3c35142d1e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 4778 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 shell/COM execution token(s). Carved macro source contains an auto-exec entry point and execution/download terms.

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