Office (OLE) malware analysis — malicious · 16299c547e40db5a

MALICIOUS

Office (OLE)

35.0 KB Created: 2010-05-06 09:56:00 Authoring application: Microsoft Word 11.3.8

MD5: b53f9d952979805f1415acb826ef6205 SHA-1: ebd9367c25a363eb1d1cace82b1560b066dc9545 SHA-256: 16299c547e40db5af811a121352fecad41ba189e025e5c5d76f04393075cc4b8

220 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature 'Doc.Trojan.Thus-8'. It contains a VBA macro that is triggered by the 'Document_Open' event, indicating an attempt to execute malicious code upon opening. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document may be part of a social engineering scheme to trick users into providing passwords for archives, often used to bypass security scanning.

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
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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` `e4d31dc6d9d6b73474253c4f4e8bc86783e4d30175a0876b9ad06b847c84a1e1`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2350 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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