Office (OLE) / .DOC malware analysis — malicious · d10145dda1811925

MALICIOUS

Office (OLE) / .DOC

33.0 KB Created: 2000-01-17 14:46:00 Authoring application: Microsoft Word 8.0

MD5: 5047ce9b7fac9aad547ea5aa67c10a93 SHA-1: 730dbba94344739ad91f22c62f772c6ec9dfca75 SHA-256: d10145dda1811925191dc0e2a007053c4def5bb00e208d7521ec1aee1608b1aa

220 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is a Microsoft Word document containing VBA macros, specifically triggering AutoOpen and AutoClose events. ClamAV detections indicate it is a known trojan. The presence of macros suggests an attempt to execute malicious code, likely for downloading and running a second-stage payload. No document body text or specific script content was available for further analysis.

Heuristics 5

ClamAV: Doc.Trojan.Class-37 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Class-37
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.
AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen macro
Auto_Close macro high OLE_VBA_AUTOCLOSE

Auto_Close macro
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` `7324cf024fc5d29b139ed7dfda84278dc34579674b1d2a2d989f817ef63a204c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	14674 bytes
Detection ClamAV: Doc.Trojan.Class-5 Obfuscation or payload: unlikely

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