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

Static analysis result for SHA-256 aa2a9d5cbe58d86b…

MALICIOUS

Office (OLE) / .XLS

411.5 KB Created: 2015-06-05 18:17:20 Authoring application: Microsoft Excel First seen: 2022-02-23
MD5: 7f1e548fbad0275f358fc1a2612e050d SHA-1: bd9376a37452d81cdb578ff818c94a30f3d68dfc SHA-256: aa2a9d5cbe58d86bfeed3d1226863fd2a84f8ec286f3b8b97dbed1b005a99e89
280 Risk Score

Heuristics 7

  • ClamAV: Xls.Downloader.Emotet-ab81c42b2bd4747e-9951196-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Downloader.Emotet-ab81c42b2bd4747e-9951196-0
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • Workbook_Open macro high OLE_VBA_WBOPEN
    Workbook_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
eb472f393cd8fb353f72f2f3a25c9b61be0d56af4f72f00216b7960eeab5801f
vba-macro oletools.olevba.extract_macros (decoded VBA source) 11223 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.