Office (OLE) / .XLS malware analysis — malicious · 6037abc3e0340b6a

MALICIOUS

Office (OLE) / .XLS

32.5 KB Created: 2015-06-05 18:17:20 Authoring application: Microsoft Excel First seen: 2022-08-18

MD5: 5ed3f5b6e47b32637675e7b1534a190f SHA-1: da9511f0790da2b3e44595ab5498e186d8994bc7 SHA-256: 6037abc3e0340b6af982c1e79e19093c3c802a166c78dc02069c42124713706f

100 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1059.005 Visual Basic

The VBA macro contains obfuscated PowerShell commands that, when deobfuscated, construct a URL and download a file named 'MSBuild.vbs' to the user's temporary directory. This VBS file is then executed, indicating a downloader or dropper functionality. The script also attempts to set the security protocol to TLS 1.2.

Heuristics 3

Reference to PowerShell high SC_STR_POWERSHELL

Reference to PowerShell
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` `1b81448b4f8b46bd680dd2df43ad144190015dbe6817a4b49f77f477642bcb12`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1377 bytes

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