Emotet Office (OOXML) / .XLSX malware analysis — malicious · 2124b8e6f34b20d9

MALICIOUS

Office (OOXML) / .XLSX

92.0 KB Created: 2015-06-05 18:17:20 UTC Authoring application: Microsoft Excel 12.0000

MD5: 8134c1f1bd1185064b4a5c4f4875ffa5 SHA-1: 5aa444a46492cf64833cf361785a817497fe6108 SHA-256: 2124b8e6f34b20d9e88ad161d9e024a02154a8d34c824995e19e2bd4ea3cff4d

200 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.003 Windows Command Shell T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for VBA macros and CreateObject calls strongly indicate malicious intent. The Workbook_Open macro is designed to execute a command that creates and runs a VBScript file from the ProgramData directory. This script is likely responsible for downloading and executing a second-stage payload from one of the provided URLs, such as 'http://harpehouseprodcuts.com/Merchan2/ARSf1LIcOauhH1rDiH/'.

Heuristics 5

ClamAV: Xls.Downloader.EmotetRed02221-9938910-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Xls.Downloader.EmotetRed02221-9938910-0
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` `de7bcbc45ff0a77d05d9af662bacc316e71be11a980e94f6673e556a5dd9d1bc`	vba-macro	oletools.olevba.extract_macros (decoded VBA source from OOXML)	12808 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` `4d2d8f5c7ed92a2083e4075f99c5999cb8748bd657f860f021e7aa1fe63c296e`	vba-project	OOXML VBA project: xl/vbaProject.bin	37888 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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