Office (OLE) / .XLS malware analysis — malicious · 50df69419d4b45d6

MALICIOUS

Office (OLE) / .XLS

204.5 KB Created: 2020-11-08 23:05:07

MD5: 01927bd4b6de9413d3acde50f2929ab4 SHA-1: 8d0d31346bd40960b901a74bcf7bc754483b0acc SHA-256: 50df69419d4b45d68f465c40ceeea020958a6658d294ae7814eb375eea99a001

200 Risk Score

Malware Insights

MITRE ATT&CK

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

The embedded VBA macro contains a PowerShell command that is designed to download a second-stage executable from the URL http://5.149.250.150/T5/FL-551.exe and then execute it. The presence of the PowerShell command and the embedded URL strongly indicate a downloader or droppper functionality. The ClamAV detection of 'Xls.Malware.Sagent-10035294-0' further supports the malicious nature of the file.

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://5.149.250.150/T5/FL-551.exe

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `e34a0ff71d9965b270613c5bab98ced5c679a1bbccb517c677eef31c2d43a1a1`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1890 bytes

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