Office (OLE) / .DOC malware analysis — malicious · 12637e027fcf1e57

MALICIOUS

Office (OLE) / .DOC

43.5 KB Created: 2008-12-02 17:38:00 Authoring application: Microsoft Word 11.5.5

MD5: 40ce5526d3d39d03a244dbb31413c535 SHA-1: 96294e80e592d7b7e5aa0021fb6c8c853328fcbb SHA-256: 12637e027fcf1e572840dbbcb043970a4d2900c6fd0304830de8349294b23c91

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1547.001 Registry Run Keys / Startup Folder

The sample is a malicious Word document containing VBA macros. The Document_Open macro attempts to disable virus protection and copy itself to the Normal template, likely to establish persistence. The script's truncated nature and obfuscation prevent a more detailed analysis of its full capabilities.

Heuristics 4

ClamAV: Doc.Trojan.Thus-10 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Thus-10
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

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `22e435c7cf91dbb7c9b76c90ae12e047911615db94867e26c6a3beb4f60f3836`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1974 bytes
Detection ClamAV: Doc.Trojan.Thus-10 Obfuscation or payload: unlikely

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