Office (OLE) / .XLS malware analysis — malicious · f0135e7183050d11

MALICIOUS

Office (OLE) / .XLS

140.0 KB Created: 2020-11-09 06:19:52

MD5: 178539c4d337e864a48194c03fbb8639 SHA-1: d0067943c23650c0fe4241b98c5e8121767be8c1 SHA-256: f0135e7183050d119c2fdc82d6b3fe712a169ba0b74b6d689064e480214a33f3

200 Risk Score

Malware Insights

MITRE ATT&CK

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

The file contains VBA macros that execute a PowerShell command. This command is designed to download an executable file from the URL 'http://specialtyaltruistic.com/ab/esuerde.exe' and then execute it. The presence of the PowerShell command and the embedded URL strongly indicate a downloader or droppper functionality.

Heuristics 6

ClamAV: Xls.Malware.Sagent-10035294-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Xls.Malware.Sagent-10035294-0
Reference to PowerShell high SC_STR_POWERSHELL

Reference to PowerShell
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND

Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://specialtyaltruistic.com/ab/esuerde.exe

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `837f64d19ba9f708db03d695346ac1cf740ec009d005656ad94a133ccb458f2f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1310 bytes

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