Office (OLE) / .XLS malware analysis — malicious · a26a951315122345

MALICIOUS

Office (OLE) / .XLS

32.5 KB Created: 2015-06-05 18:17:20 Authoring application: Microsoft Excel First seen: 2022-08-23

MD5: 632b323161e5a705b540902eaff5e47e SHA-1: 6031adc2bd072a3c446d8392439ae7a4bed80510 SHA-256: a26a9513151223452bf6eeb445aaf3baef6ffccb49cd6661dada1dc835386e74

100 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1059.005 Visual Basic

The sample contains VBA macros that utilize CreateObject to execute a PowerShell command. The PowerShell command is obfuscated but reconstructs to download a VBScript from 'http://nik.den.kt//soons/protectorClient.vbs' and save it as '%TEMP%\notepad.vbs' for execution. This indicates a downloader functionality, aiming to fetch and run additional malicious content.

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` `29d08d71f7dd68ee1349808de53e08ac64f53485c67f27bb934a070cadaeb79e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1377 bytes

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