Office (OLE) / .XLS malware analysis — malicious · b27fab4aecef7963

MALICIOUS

Office (OLE) / .XLS

452.0 KB Created: 2020-10-27 22:15:42

MD5: 12167cdc9b1dc83ed1824e1110d90035 SHA-1: 082cc3544a2d466b8616f542976b033548f643cc SHA-256: b27fab4aecef79636d4d3b98bf5a7ab2da2298f8a61c05835b285156b67cec54

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 is designed to download a file from the URL http://79.141.165.173/DX/FD-65072.jpg and save it as C:\Users\Public\awktghenh.exe, and then execute the downloaded file. 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-65072.jpg

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `4d28b451abd8b2b8e0392ddba7d6b327b57aec91ed5f1eb21cb87c7bd1cc42ca`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1310 bytes

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