Malware Analysis Report

2024-11-16 13:32

Sample ID 240621-bpw82avara
Target 72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe
SHA256 72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600
Tags
xworm persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600

Threat Level: Known bad

The file 72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe was found to be: Known bad.

Malicious Activity Summary

xworm persistence rat trojan

Detects Windows executables referencing non-Windows User-Agents

Xworm family

Detect Xworm Payload

Xworm

Detects Windows executables referencing non-Windows User-Agents

Drops startup file

Adds Run key to start application

Looks up external IP address via web service

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-21 01:19

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Detects Windows executables referencing non-Windows User-Agents

Description Indicator Process Target
N/A N/A N/A N/A

Xworm family

xworm

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-21 01:19

Reported

2024-06-21 01:22

Platform

win7-20240419-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm

trojan rat xworm

Detects Windows executables referencing non-Windows User-Agents

Description Indicator Process Target
N/A N/A N/A N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows backup.lnk C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows backup.lnk C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows backup = "C:\\Users\\Admin\\Windows backup" C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe

"C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 modern-educators.gl.at.ply.gg udp
US 147.185.221.20:23695 modern-educators.gl.at.ply.gg tcp
US 147.185.221.20:23695 modern-educators.gl.at.ply.gg tcp
US 147.185.221.20:23695 modern-educators.gl.at.ply.gg tcp
US 147.185.221.20:23695 modern-educators.gl.at.ply.gg tcp
US 147.185.221.20:23695 modern-educators.gl.at.ply.gg tcp
US 147.185.221.20:23695 modern-educators.gl.at.ply.gg tcp

Files

memory/2080-0-0x000007FEF5C93000-0x000007FEF5C94000-memory.dmp

memory/2080-1-0x0000000001250000-0x000000000129C000-memory.dmp

memory/2080-2-0x000007FEF5C90000-0x000007FEF667C000-memory.dmp

memory/2080-6-0x000007FEF5C93000-0x000007FEF5C94000-memory.dmp

memory/2080-7-0x000007FEF5C90000-0x000007FEF667C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-21 01:19

Reported

2024-06-21 01:22

Platform

win10v2004-20240508-en

Max time kernel

52s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm

trojan rat xworm

Detects Windows executables referencing non-Windows User-Agents

Description Indicator Process Target
N/A N/A N/A N/A

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows backup.lnk C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows backup.lnk C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows backup = "C:\\Users\\Admin\\Windows backup" C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe

"C:\Users\Admin\AppData\Local\Temp\72b972a5bf32ebaec48692474c0f0c2ec63236cb94b92fd18c73210a07268600.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 8.8.8.8:53 modern-educators.gl.at.ply.gg udp

Files

memory/4264-0-0x00000000005F0000-0x000000000063C000-memory.dmp

memory/4264-1-0x00007FF9F65B3000-0x00007FF9F65B5000-memory.dmp

memory/4264-2-0x00007FF9F65B0000-0x00007FF9F7071000-memory.dmp

memory/4264-6-0x00007FF9F65B0000-0x00007FF9F7071000-memory.dmp