Xls.Trojan.Escape — Office (OLE) / .XLS malware analysis

Static analysis result for SHA-256 27e3018187f89aef…

MALICIOUS

Office (OLE) / .XLS

15.0 KB Created: 2010-05-09 23:28:11 Authoring application: Microsoft Excel
MD5: 2353eaba498b793d584f97ffc0bed431 SHA-1: 20dda5174e59c8bc906d948451267df688a98229 SHA-256: 27e3018187f89aef1f7af14e3b33462ae58be6e9ed4d4da06ee598ccc24904b6
180 Risk Score

Malware Insights

Xls.Trojan.Escape · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature Xls.Trojan.Escape-2. It contains VBA macros, including an Auto_Open macro, which is a common technique for executing malicious code upon opening the document. The presence of an Auto_Open macro suggests the script attempts to automatically run malicious code, likely to download and execute a second-stage payload.

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
df0db2b736b6c198afb0d1338be15f877e7b5ce9ad88e18698ac06d145dfcb65		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1988 bytes
Detection
ClamAV: Xls.Trojan.Escape-1
Obfuscation or payload: unlikely

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