Malicious Office (OLE) / .DOC — malware analysis report

Static analysis result for SHA-256 483aedd62b581a45…

MALICIOUS

Office (OLE) / .DOC

28.0 KB Created: 2020-05-28 00:37:00 Authoring application: Microsoft Office Word
MD5: 950de901fea9a739a908ef973484ae07 SHA-1: 466192fc1755eb908fac10a6da0bf4544aaf56d2 SHA-256: 483aedd62b581a450a97db15ffb8e32b5adb43550ef4dd4ce528f9b18781de04
300 Risk Score

Malware Insights

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

The sample contains VBA macros, specifically an AutoOpen macro that utilizes Shell() and CreateObject() calls. This indicates the macro is designed to execute code. The ClamAV heuristic and the presence of an embedded URL pointing to 'http://delandy.site/windrive.exe' strongly suggest that the macro's purpose is to download and execute a second-stage payload. The file type and heuristic firings align with a macro-based downloader.

Heuristics 8

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • ClamAV: Doc.Macro.DownloadExe-6336397-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Macro.DownloadExe-6336397-0
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen 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://delandy.site/windrive.exe�
    • http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
608abc97a2cfca4932bbae57ff0a7b95d1ba26d5d7623b939e0b618a7d0835ce		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 652 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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