Office (OLE) / .XLS malware analysis — malicious · 59b5ed82944fd1cc

MALICIOUS

Office (OLE) / .XLS

452.0 KB Created: 2020-10-27 22:17:18

MD5: 1e5ae4b4c02550c4e080d912ca2b4002 SHA-1: 15281a0d9c77629f2e8e9436f884790e3f4df73a SHA-256: 59b5ed82944fd1cce82d5decf06bd67a7e5beabd31e16dba736edf1d05f27e14

200 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1105 Ingress Tool Transfer

The sample contains VBA macros that execute a PowerShell command. This command downloads a file from the URL http://79.141.165.173/DX/FD-6507.jpg and saves it as C:\Users\Public\htuglfluz.exe, then executes it. This indicates 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://79.141.165.173/DX/FD-6507.jpg

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `c04c4883a69d983ca25a25ceee71dc64da8bb10042f9706a3a76ca9c12ce6c2c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1310 bytes

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