Office (OLE) malware analysis — malicious · 71d6d20cbc7d0277

MALICIOUS

Office (OLE)

46.0 KB Created: 2006-05-01 12:06:00 Authoring application: Microsoft Word 10.1

MD5: f9dc77fa64d8298647b32320c5926202 SHA-1: b2033ad7deace1dc96f4a9113715866aa26942cc SHA-256: 71d6d20cbc7d0277887ec776c05be464a1fd23d93e4b9f644161ab5686552f91

182 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file contains VBA macros, including a Document_Open macro, which is a common technique for executing malicious code upon opening the document. The ClamAV detection 'Doc.Trojan.Thus-8' strongly indicates malicious intent. The macro appears to be designed to download and execute a second-stage payload, as suggested by the heuristic firings and the presence of an embedded URL.

Heuristics 5

ClamAV: Doc.Trojan.Thus-8 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Thus-8
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
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://www.cre8ng.com

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `a5c6a312d435fbe0dbbdb44a7eb4b8ca28801dadc0b47266138cf2d5f32abe40`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2364 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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