Office (OLE) / .XLS malware analysis — malicious · 8230df808886d3d5

MALICIOUS

Office (OLE) / .XLS

452.0 KB Created: 2020-10-27 23:02:29

MD5: acc5256d86cce50e10ec4156290e2857 SHA-1: ced01f4c68de53bba60b5d9bf4dad0dc258445bc SHA-256: 8230df808886d3d5210b2e0784d9f450fc2741ea69a4364860af9137545d6043

200 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample contains VBA macros that execute a PowerShell command. This command downloads a file from http://79.141.165.173/DX/FD-20581.jpg and saves it as C:\Users\Public\fenxbztdh.exe, then executes it. This indicates a downloader or droppper functionality, aiming to fetch and run a secondary payload.

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-20581.jpg

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `59b50530f47846de5d9f42990247b4eadbdd7029962eca088c3f33e64b571258`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1310 bytes

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