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

Static analysis result for SHA-256 cd68af710b26a4dc…

MALICIOUS

Office (OLE) / .EXE

34.5 KB Created: 1999-02-08 09:24:15 Authoring application: Microsoft Excel
MD5: 57e76323c997530e66c9661455b841c7 SHA-1: dbb2da8a906157d82deba89679a3c4dfa9932c59 SHA-256: cd68af710b26a4dcaad69102d0d40f9acd16234dc9db262bd4916f046aca28fd
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is identified as malicious by ClamAV with the signature Xls.Trojan.Laroux-1. Static analysis revealed the presence of VBA macros, specifically an Auto_Open macro, which is a common technique for executing malicious code upon opening an Office document. The extracted document body text contains references to 'laroux', further supporting the ClamAV detection name.

Heuristics 4

  • ClamAV: Xls.Trojan.Laroux-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Trojan.Laroux-1
  • 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
fb52a82810df85117dfff3d87373ef07bf56a4382672b4ac262fdedb59597d68		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1764 bytes
Detection
ClamAV: Xls.Trojan.Laroux-1
Obfuscation or payload: unlikely

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