Emotet Office (OLE) / .XLS malware analysis — malicious · 89f4595e76989d47

MALICIOUS

Office (OLE) / .XLS

150.5 KB Created: 2015-06-05 18:17:20 Authoring application: Microsoft Excel

MD5: 7caffe1eaf00a1df064f9afacb3f3dc4 SHA-1: 806eea483273834ebc6a4c457c9dd669006786de SHA-256: 89f4595e76989d47510b6742bdab007019412c3de4350f15f90c59ca55585ced

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.001 PowerShell T1059.005 Visual Basic T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for VBA macros, CreateObject, and Workbook_Open indicate a malicious document. The Workbook_Open macro is designed to execute Windows Script Host commands, including the reconstruction of a long URL string: "http://actividades.laforetlan-guages.com/wp-admin/BlkdOXlX/ , http://sbcopylive.com.br/rju/w/ , https://trasix.com/wp-admin/y5Aa1jt0Sp2Qk/ , https://www.parkingons.co.in/abc/Y6Y0fTbUEg6/ , https://www.parkingons.co.in/abc/Y6Y0fTbUEg6/". This script likely downloads and executes a second-stage payload. Additionally, the script attempts to write to the registry key HKCU\Software\Microsoft\Windows\CurrentVersion\Run\IAccessible2Proxy for persistence.

Heuristics 7

ClamAV: Doc.Downloader.EmotetExcel02226-9938630-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetExcel02226-9938630-0
Reference to Windows Script Host high SC_STR_WSCRIPT

Reference to Windows Script Host
Workbook_Open macro high OLE_VBA_WBOPEN

Workbook_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC

Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
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 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` `006c4f4d54d1c9bb906763adb0bd849cdbbe9d88f3fa78ad2d18ef6987f96c37`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8906 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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