Emotet Office (OLE) malware analysis — malicious · 4de1c6b56fa00ab1

MALICIOUS

Office (OLE)

77.9 KB Created: 2018-11-07 11:39:00 Authoring application: Microsoft Office Word First seen: 2019-08-04

MD5: a742d24becef663c9f7fc08b6dad7f16 SHA-1: fd7a6ca1e7a41c8c6db974e58f3649f4b58c8188 SHA-256: 4de1c6b56fa00ab1fa48623dff986cb385b66a07e3b6f4d12b3cbbe35adc03cf

142 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment

The file was detected as Emotet by ClamAV, a known banking trojan and downloader. Heuristics indicate the presence of PowerShell commands and a LOLBin execution attempt. The document body contains a heavily obfuscated PowerShell command that appears to decompress and execute a second-stage payload from a Base64 encoded string, likely for further malicious activity.

Heuristics 4

ClamAV: Doc.Dropper.Emotet-6769504-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.Emotet-6769504-0
Reference to PowerShell high SC_STR_POWERSHELL

Reference to PowerShell
LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND

Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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 In document text (OLE body)

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