Emotet Office (OLE) / .XLSX malware analysis — malicious · 347971c8a82b9c4f

MALICIOUS

Office (OLE) / .XLSX

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

MD5: 036c554012955d15094b6946a613a342 SHA-1: bc23abc212cfe8259aaa80231ceac88e897fcfb0 SHA-256: 347971c8a82b9c4fc22ff77affbb78cc2db8f5869fad8f5b6be43aca3af7f6f6

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample is detected as Emotet by ClamAV. The VBA macros contain obfuscated PowerShell commands that attempt to download and execute payloads from multiple URLs. Specifically, the script reconstructs the following download URLs: 'http://store.uxdummmit.com/wp-admin/VfgBA5Q7Z/', 'https://glorenental.com/wp-admin/f1ezEAQGTnS6i/', 'http://candise.biminteractive.org/1g94ngo/2n7lJoPuPDaenPcX/', and 'http://bacihilelatoropocircloes.org/'. It also references batch and VBScript files in the 'c:\programdata\' directory.

Heuristics 7

ClamAV: Doc.Downloader.EmotetExcel02222-9938901-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetExcel02222-9938901-0
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` `df1eb14c222394595c0518b49eec2b55ed9573146c5f1717dedceddd2e199a2b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	12041 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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