Xls.Trojan.Escape-2 — Office (OLE) / .X malware analysis

Static analysis result for SHA-256 52e0de0cb54d1bec…

MALICIOUS

Office (OLE) / .X

89.0 KB Created: 2010-06-09 15:19:25 Authoring application: Microsoft Excel
MD5: b2dccf23e0cfab7787a4bf93ed0f9b0e SHA-1: 0075ca8edd5434bf92f21baa0e562d46054345cd SHA-256: 52e0de0cb54d1bece16aadc47039cc1a0a3e2265e2de8468d91b2d15e1aff3a4
180 Risk Score

Malware Insights

Xls.Trojan.Escape-2 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.002 Spearphishing Attachment

The critical heuristic 'OLE_VBA_AUTO' indicates the presence of an Auto_Open macro, which is a common technique for executing malicious VBA code upon opening an Excel file. The ClamAV detections 'Xls.Trojan.Escape-2' and 'Xls.Trojan.Escape-1' further confirm the malicious nature of the file. The macro likely serves to download and execute a secondary payload, although the specific download URL or execution details are not directly extractable from the provided evidence.

Heuristics 4

  • ClamAV: Xls.Trojan.Escape-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Trojan.Escape-2
  • 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.
  • Auto_Open macro high OLE_VBA_AUTO
    Auto_Open macro
  • 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
1804ed0171c28d2cc38c7b914ffe75a169d2c80839c1c0863211da0dd0347f80		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1750 bytes
Detection
ClamAV: Xls.Trojan.Escape-1
Obfuscation or payload: unlikely

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