Office (OLE) / .XLS malware analysis — malicious · 235c69416d747cc2

MALICIOUS

Office (OLE) / .XLS

63.0 KB Created: 2021-08-17 12:24:08 Authoring application: Microsoft Excel

MD5: 6b59a4657eb90d92590f5a183d9d1e77 SHA-1: 99ca77ee0cf46269f6c94716b1351641e275e51b SHA-256: 235c69416d747cc255af1edaa428be22a7a60ef3de770a04675da922f1293a70

120 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The sample is an Excel spreadsheet containing VBA macros. The 'SE_ENABLE_LURE' heuristic indicates the document prompts the user to enable macros. The 'Auto_Open' macro utilizes the ScriptControl object, which is known to be vulnerable to CVE-2015-0097. The script attempts to execute code by leveraging the 'Subject' and 'Comments' document properties, likely to download and run a secondary payload. The exact payload and its destination could not be determined due to the nature of the script's execution method.

Heuristics 4

MSScriptControl.ScriptControl — CVE-2015-0097 high CVE likely CVE_2015_0097_SC

MSScriptControl.ScriptControl — CVE-2015-0097
Auto_Open macro high OLE_VBA_AUTO

Auto_Open macro
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Macro/content-enable lure medium SE_ENABLE_LURE

Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `0278d22c57457c6ea65486c5e13f4b06bae683e9ef9fa360c905d1932da96848`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	862 bytes

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