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

Static analysis result for SHA-256 5ee98ae0d927e147…

MALICIOUS

Office (OLE) / .DOC

224.0 KB Created: 2021-09-13 12:48:00 Authoring application: Microsoft Office Word
MD5: 921590862be12ee9b8b67dd4a14652e0 SHA-1: 1349a6e825171f68f4967d2696c10493770e47bc SHA-256: 5ee98ae0d927e1471de002517a1d09e8065064e83a87616762a988e47505b0fa
450 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File T1566.001 Spearphishing Attachment

The sample contains VBA macros with AutoOpen and Document_Open routines that trigger execution. These macros utilize WScript.Shell and references to PowerShell, indicating an intent to download and execute a second-stage payload. The presence of multiple unknown reputation URLs suggests these are likely C2 or payload hosting locations.

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.Downloader.Valyria-10019379-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Valyria-10019379-0
  • Reference to PowerShell high SC_STR_POWERSHELL
    Reference to PowerShell
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • 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.
  • 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 https://photosavi.com/felEBrSlmEZh/090921.gif
    • https://tailorind.com.pk/mQpdqR5tB/090921.gif
    • http://pinakidigital.com/B9PFQzrssU/090921.gif
    • https://stuffiknow.in/i51MJMPHGRx/090921.gif
    • https://aartieeabhjeet.com/pFtq7BmoxM/090921.gif
    • http://ns.adobe.com/xap/1.0/
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/sType/ResourceEvent#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/photoshop/1.0/
    • http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
7bc4c51c0fd15efe0f8006a1f193823d23ab7095653e107fec6218b63d81e70c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15691 bytes

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