Office (OLE) / .DOC malware analysis — malicious · c12e1b47e515fbb9

MALICIOUS

Office (OLE) / .DOC

34.0 KB Created: 2000-10-07 07:06:00 Authoring application: Microsoft Word 8.0

MD5: d51c0ce4531fc6f1b69fc439a942fa58 SHA-1: 1ea043288b80e9abc6e5dca6e60a4c19688cb846 SHA-256: c12e1b47e515fbb9dfcaa7085eff2c7abe19604700c4bdda2ed506f074da8c4d

220 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic

The file is a malicious DOC document containing VBA macros, specifically triggering AutoOpen and Auto_Close events. The document body presents educational objectives, a common lure to encourage users to enable macros. The presence of macros indicates an attempt to download and execute a second-stage payload, although the specific mechanism is not detailed in the provided evidence.

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` `26375df35ffaf5f60f8103d703ef958880f55afd4dea211c7459d9c04e2be467`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	14890 bytes
Detection ClamAV: Doc.Trojan.Class-5 Obfuscation or payload: unlikely

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