Office (OLE) / .XLS malware analysis — malicious · d0568e4c65250681

MALICIOUS

Office (OLE) / .XLS

32.5 KB Created: 2015-06-05 18:17:20 Authoring application: Microsoft Excel First seen: 2022-08-25

MD5: 266121cb24e3d8624298c05f72dc0127 SHA-1: d43b7460b5b6726cf878a3c5062f1381780c5ea1 SHA-256: d0568e4c652506813737dfc901efe0efaecb70b53a77ebac5f922d096564f7f9

100 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1059.005 Visual Basic

The file contains VBA macros that utilize CreateObject to execute a PowerShell command. The PowerShell command is obfuscated but reconstructs to download a file from 'http://example.com/download.exe' and save it as 'C:\Users\Public\notepad.vbs' for execution. This indicates a downloader or droppper functionality.

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` `a8634d2e56a0d5944a4f4f73baf6f3f925e68e6dda561afc0dc02c8711868273`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1377 bytes

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