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

Static analysis result for SHA-256 324a60661fbe46fe…

MALICIOUS

Office (OLE) / .DOC

151.0 KB Created: 2024-08-26 10:09:00 Authoring application: Microsoft Office Word
MD5: 96f1f5fa4d20a5bcb83efa75271a8604 SHA-1: 7b9e582b4ea6baf7d5c93b4d01805fc0b3d7ad7b SHA-256: 324a60661fbe46fed466cfea943fdf331bd8305089d6d0e2d9e327f03370cb7e
340 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.003 Windows Command Shell T1204.002 Malicious File

The document contains VBA macros, including a Document_Open macro that utilizes Shell() and WScript.Shell. This indicates the macro is designed to execute commands on the host system, likely to download and run a secondary payload. The presence of these critical heuristics strongly suggests a malicious intent, although the specific family cannot be determined from the provided evidence.

Heuristics 9

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • WScript.Shell usage critical OLE_VBA_WSCRIPT
    WScript.Shell usage
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • 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.
  • 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
2491914f2822960fbc64a1cefff91f7e0136a4291b47a53d51ea829386af2110		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 26691 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 2 shell/COM execution token(s). Carved macro source contains an auto-exec entry point and execution/download terms.

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