Alina — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 391f46774d994561…

MALICIOUS

Office (OLE) / .DOCX

44.0 KB Created: 2001-04-20 23:50:00 Authoring application: Microsoft Word 8.0
MD5: 2f5dbb0501d7d20a6355a5dad582929f SHA-1: 416da3e44484108fe02c84c1d39953b6b38d1b8a SHA-256: 391f46774d99456109f943b2f84c2d909bead06897223a917dabc2f795fc59dd
300 Risk Score

Malware Insights

Alina · confidence 95%

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1059.001 PowerShell T1140 Deobfuscate/Decode Files or Information

The sample contains VBA macros, specifically a Document_Open auto-exec macro named 'Alina'. This macro attempts to disable security features and export its own code to '~Alina.Sys' and '~Love.Sys' in the Word startup directory. The ClamAV detection 'Doc.Trojan.Alina-3' strongly suggests the Alina family, which is known for macro-based execution of secondary payloads. The presence of auto-exec macros and the export of code to startup locations indicate a downloader or dropper functionality.

Heuristics 7

  • ClamAV: Doc.Trojan.Alina-3 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Alina-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
8e66954f1e93ff859725280946554078e288fd4d59fb3301ac176d4bebf240cd		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 3406 bytes
Detection
ClamAV: Win.Trojan.wmvg-1
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

Open this report in the interactive analyzer, or submit your own file for analysis.