Emotet Office (OOXML) / .XLSM malware analysis — malicious · 57fcbb058fc0dfe0

MALICIOUS

Office (OOXML) / .XLSM

46.5 KB Created: 2006-09-28 05:33:49 UTC Authoring application: Microsoft Excel 12.0000

MD5: 039000c7705aa1163f8d3868971ab84f SHA-1: 7efdc4a63b52a054e0d637808d9023a9a66a0546 SHA-256: 57fcbb058fc0dfe0cce29676569f2e30d1f8a59345ab161d8183d0769428f4e2

200 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The file is an XLSM document containing VBA macros, specifically a Workbook_Open macro that is designed to execute automatically. The ClamAV detection explicitly names this as EmotetExcel. The VBA script contains obfuscated code that attempts to download a second-stage payload from the URL "http://visteme.mxx/shop/wp-ad".

Heuristics 5

ClamAV: Xls.Downloader.EmotetExcel112100-9910690-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Xls.Downloader.EmotetExcel112100-9910690-0
Workbook_Open macro high OLE_VBA_WBOPEN

Workbook_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
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 project inside OOXML medium OOXML_VBA

Document contains vbaProject.bin — VBA macros present

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `8163168ccf1004e30fe18e0c3086df394975e779412ef3061e4007da68b2887d`	vba-macro	oletools.olevba.extract_macros (decoded VBA source from OOXML)	4962 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.
`vbaProject_00.bin` `1aafc9efc35e6512f742b233cfd01ceea8606b7445e97adf102fe224561c0b20`	vba-project	OOXML VBA project: xl/vbaProject.bin	24576 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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