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

Static analysis result for SHA-256 2299ff9c7e599533…

MALICIOUS

Office (OLE) / .DOCX

212.0 KB Created: 2016-11-16 21:58:00 Authoring application: Microsoft Office Word
MD5: 6e7991f93c53a58ba63a602b277e07f7 SHA-1: d6e6eab05af60a496060d266f144e43f6d5d6ec1 SHA-256: 2299ff9c7e5995333691f3e68373ebbb036aa619acd61cbea6c5210490699bb6
448 Risk Score

Heuristics 12

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • WScript.Shell usage critical OLE_VBA_WSCRIPT
    WScript.Shell usage
  • ClamAV: Doc.Dropper.Agent-1887488 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.Agent-1887488
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • Auto_Close macro high OLE_VBA_AUTOCLOSE
    Auto_Close 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
  • Environ() call (env variable access) low OLE_VBA_ENVIRON
    Environ() call (env variable access)
  • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
4462ccae15682f9dab00969f03d3393d0468a88e637c58c2fdc0cf666edf9e38		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 3053 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.
ole10native_00.bin
4e18bf4cdb3af51bffa85de3f5c6baaef16b1e3a39972da1b1768add045f4630		 ole-package OLE Ole10Native stream: ObjectPool/_1541479613/Ole10Native 17310 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact entropy is 7.58, consistent with packed or encrypted content.

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