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

Static analysis result for SHA-256 6fa7a912d145bc6a…

MALICIOUS

Office (OLE) / .DOC

79.5 KB Created: 2024-12-03 01:15:00 Authoring application: Microsoft Office Word
MD5: f6029da9935b2b83ecf0194611a31207 SHA-1: 91e33bf7a512ace86fc4394a1761d03195d47787 SHA-256: 6fa7a912d145bc6a446c6882983981b3ceb91b50090dc0eadd1a7f77d70c6cac
562 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer T1204.002 Malicious File

The sample contains VBA macros that leverage WScript.Shell and PowerShell to download a ZIP archive from 'http://91.208.206.195/d/asignment.zip'. The script then extracts the contents of the ZIP file to 'C:\Users\%env:username\p4yxx0rl0s3' and attempts to execute a payload. The presence of AutoOpen, Shell(), CreateObject, and PowerShell references strongly indicates a malicious downloader.

Heuristics 14

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • WScript.Shell usage critical OLE_VBA_WSCRIPT
    WScript.Shell usage
  • PowerShell reference in VBA critical OLE_VBA_PS
    PowerShell reference in VBA
  • ClamAV: Doc.Downloader.Pwshell-10001336-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Pwshell-10001336-0
  • 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
  • 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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
  • 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
41bb390332d05ef19c042b6f7ab36cf60347064bc54d42e07bc224fbbc6e811b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1969 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains a PowerShell -EncodedCommand style payload.

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