Office (OLE) / .XLS malware analysis — malicious · 39f9e70e43eb4b3d

MALICIOUS

Office (OLE) / .XLS

15.0 KB

MD5: 29efabdd645353a9aa8dbf1f15f2a346 SHA-1: 1c18e1594048f28a8030fe2edaf7b8d6a2b6a3c6 SHA-256: 39f9e70e43eb4b3dc776d4b2ff0006240fc15d894f9cb833b81e50a8a5614daa

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic

The file is an Excel spreadsheet containing VBA macros, specifically an Auto_Open macro which is commonly used to execute malicious code upon opening. ClamAV detections indicate it is a known trojan. The document body appears to be a business-related order summary, likely a lure to trick the user into opening the malicious content. No specific payload URLs or further execution details were extracted from the sample.

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.

Filename	Kind	Source	Size
`macros.bas` `223c8d3cde612b25474ed5c47527b5d8ceee5884d33f6fad8f4144dcf1c3cdd5`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1969 bytes
Detection ClamAV: Xls.Trojan.Escape-1 Obfuscation or payload: unlikely

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