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

Static analysis result for SHA-256 8698e2e5d0c70582…

MALICIOUS

Office (OLE) / .DOT

941.5 KB Created: 2008-05-13 10:41:00 Authoring application: Microsoft Office Word
MD5: 200bcf48e2c633ddf0baddc6a69a2449 SHA-1: 33dc5b41c4fa1b2e9612a3679aeee0b8758a6853 SHA-256: 8698e2e5d0c7058229d56793c3f01194e94e42a84298cf47ef4e85dd237d8f3a
260 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The sample is a malicious DOT template containing obfuscated VBA macros. Critical heuristics indicate the use of Shell() calls and an obfuscated URL, suggesting the macros are designed to download and execute a second-stage payload. The presence of CreateObject and CreateProcess API references further supports this. The embedded URLs are likely part of this malicious chain.

Heuristics 7

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • Obfuscated VBA Shell command with URL critical OLE_VBA_OBFUSCATED_SHELL_URL
    VBA macro invokes Shell with command text assembled through decoder or string-manipulation functions and includes a URL. This is a high-confidence downloader/dropper pattern, stronger than Shell or URL evidence on their own.
  • Reference to CreateProcess API high SC_STR_CREATEPROCESS
    Reference to CreateProcess API
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • 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://www.ordbogen.com/opslag.php?word=
    • http://intraweb.pfa.dk/publishing/skriveguide/default.asp

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
887c912d39784566920db34abd4f65af00d627c0b394429adbe84d22ef168fa4		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 232512 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 shell/COM execution token(s). Carved artifact contains 9 Chr/ChrW string-construction calls.

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