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

Static analysis result for SHA-256 abba2be0e63fb34d…

MALICIOUS

Office (OLE) / .DOC

242.0 KB Created: 2025-01-21 04:38:00 Authoring application: Microsoft Office Word
MD5: 2c3ba91dea70b8d0013cc76511e513a3 SHA-1: 39f27595819e4b5bb7bd7ff3a696b6c2c8c8ce03 SHA-256: abba2be0e63fb34d3df337883242c25f6ca52325b8ebc4e425cc08b533004c1d
340 Risk Score

Malware Insights

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

The sample is a malicious OLE document containing a Document_Open macro. This macro utilizes WScript.Shell and CreateObject to execute a shell command, likely to download and execute a second-stage payload. The presence of these VBA functions strongly indicates a macro-based attack pattern.

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
48dbff856ad3d824d1ac2d00776d98bdd60eb72d78e79f99017af9aa81700bf0		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 28152 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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