Office (OLE) / .XLS malware analysis — malicious · bc07e7101d3f176c

MALICIOUS

Office (OLE) / .XLS

305.5 KB Created: 2020-10-26 23:21:48

MD5: 33f00635b782144660deda1f9cb90dcd SHA-1: d2cca48478cc99fdfb4bd0bc6a83696663e41996 SHA-256: bc07e7101d3f176c9b7fca71bd68dbd146bfe4e9ff2c18ea5cee0147f1c9ddad

200 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The sample contains VBA macros that execute a PowerShell command. This command is designed to download a file from the URL http://209.141.35.239/33/RF-0018.jpg and save it as C:\Users\Public\Music\hdvtmlcbq.exe, and then execute the downloaded file. This indicates a downloader or dropper 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://209.141.35.239/33/RF-0018.jpg

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `5cb8bb42fe4fdfb226663ea95c9933b95b49cbfac279dea8a92b1b7a4b6e9d31`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1310 bytes

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