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

Static analysis result for SHA-256 faee8578ed59f816…

MALICIOUS

Office (OLE) / .EXE

38.5 KB Created: 2000-05-10 10:56:00 Authoring application: Microsoft Word 8.0
MD5: d653cc8e9232436aa5b5e47a764aca0e SHA-1: d4dad3866e34fcb5d02e8e795b6cf53471b1114f SHA-256: faee8578ed59f8163225c743fba2ba2ed1cdd17914b883f000e46636656f49a4
300 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File

The file is an OLE executable containing a Document_Open VBA macro that uses CreateObject to execute arbitrary code. ClamAV detections indicate it is a known trojan. The presence of VBA macros and the Document_Open auto-execution method are strong indicators of malicious intent, likely for delivering a secondary payload.

Heuristics 7

  • ClamAV: Win.Trojan.Psycho-3 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Psycho-3
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
fcca487e08bbd795e6beb16185238f4c8d5dfe15d0c5c84319e25d4619f8041f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 13989 bytes
Detection
ClamAV: Win.Trojan.wmvg-1
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

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