Office (OLE) / .XLS malware analysis — malicious · e6a2d62ccf88ad7f

MALICIOUS

Office (OLE) / .XLS

107.5 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel

MD5: ab8c0d4c6d8d3a0459eaad15a25836b1 SHA-1: a6d559570f86a32f1b5fe7b5a777f3dfd3437bab SHA-256: e6a2d62ccf88ad7f3bddbe7591bd02e98af4599e7a48b716574f6da8832f1016

168 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File T1059.001 PowerShell T1105 Ingress Tool Transfer

The sample is an Excel 4.0 (XLM) macro-enabled document. It contains an Auto_Open macro that uses the RUN function, indicating it attempts to execute an external program. The document body and extracted artifacts suggest a lure to enable macros. The XLM macro likely downloads and executes a second-stage payload from the URL hxxps://j2ls3wu7cyl13ts1.xyz/index.php, saving it as ..\sngimge.exe.

Heuristics 5

Excel 4.0 Auto_Open defined name critical OLE_XLM_AUTOOPEN_DEFINEDNAME

oletools recovered an Auto_Open / Auto_Close entry from an Excel 4.0 macro sheet. The raw BIFF name can be tokenized or partially opaque to byte-string checks, but the recovered macro listing confirms the workbook has an XLM auto-execution entry.
XLM Auto_Open with dangerous formula APIs critical OLE_XLM_DANGEROUS_FN

Excel 4.0 macro sheet contains an Auto_Open / Auto_Close entry and dangerous XLM formula APIs that can invoke programs, write files, or transfer control without VBA.
Excel 4.0 (XLM) macro sheet present medium OLE_XLM_AUTOOPEN

Workbook contains an Excel 4.0 macro sheet sub-stream — XLM is rarely seen in modern legitimate workbooks and was a major Office malware vector during 2020-2022.
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
VBA project contains no executable statements low OLE_VBA_MACROS

Document contains a VBA project, but extracted modules only contain attributes/options/comments and no executable statements.

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`xlm_macros.txt` `f6fca84fbe589f3849719d8e6047af627942d6a6b71a6c99042b65f2a4dedeb4`	xlm-macro	oletools.olevba.extract_all_macros (XLM macro listing)	9060 bytes
`macros.bas` `7916b49f492340215f93bdcac5c75bb71d9699243e51aeef180e5d113716e478`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	358 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.