Office (OLE) / .EXE malware analysis — malicious · dd7f8ef0a175b950

MALICIOUS

Office (OLE) / .EXE

41.0 KB Created: 2000-01-07 11:49:00 Authoring application: Microsoft Word 8.0

MD5: 0a7e62b47917e613010dce5afb4874f9 SHA-1: 74d6f031b047b8f452c145b43b0867ebd727c483 SHA-256: dd7f8ef0a175b9509516bfad7f3bf79546b1bd4af4d6d84269133e7b817ab0d0

220 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic

The file is an OLE document with a high-confidence detection for VBA macros, including AutoOpen and Auto_Close functions, indicating malicious intent. ClamAV detections for 'Doc.Trojan.Nottice-3' and 'Win.Trojan.C-286' on an extracted artifact further confirm its malicious nature. The presence of AutoOpen/Auto_Close macros strongly suggests the execution of arbitrary code upon opening or closing the document, likely to download and execute a secondary payload.

Heuristics 5

ClamAV: Doc.Trojan.Nottice-3 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Nottice-3
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` `47e0580a22e879e1a72241d4d6be15c0ef051bc6eac2f5df05b5e78fa30d6f8d`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	3300 bytes
Detection ClamAV: Win.Trojan.C-286 Obfuscation or payload: unlikely

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