Office (OLE) / .X malware analysis — malicious · e81fb8399b0de94f

MALICIOUS

Office (OLE) / .X

292.5 KB Created: 2007-04-17 15:39:45 Authoring application: Microsoft Excel

MD5: 3bba776f5a0dbc560ddb34c8a24259f7 SHA-1: f9353479329042be8ef7cb4b644f1c636e7f6a5f SHA-256: e81fb8399b0de94f9afb9ba9a320920656c2bfb9ede62a4f3debb6614e3e4655

60 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file is an Excel document containing VBA macros, indicated by the OLE_VBA_MACROS heuristic. The OLE_VBA_CREATEOBJ heuristic suggests that the macros attempt to execute external code. The presence of a large VBA macro source (59515 bytes) further supports this. The document body contains what appears to be timestamped data, which is likely a lure or obfuscation. Without further script analysis, the exact payload and delivery mechanism remain unknown, but the intent is to execute arbitrary code.

Heuristics 2

CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
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` `1390a25604a6f82bd84f1de4d199e681fb81ba812823d591834aaf5a67304f8f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	59515 bytes

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