Malware Analysis Report

2024-09-23 00:37

Sample ID 240512-ct89tsca4z
Target XClient12.exe
SHA256 2ad5f248f621265c9e62a00be47605b8d184815d51e60d6e76062f6c763b5679
Tags
xworm stormkitty persistence rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2ad5f248f621265c9e62a00be47605b8d184815d51e60d6e76062f6c763b5679

Threat Level: Known bad

The file XClient12.exe was found to be: Known bad.

Malicious Activity Summary

xworm stormkitty persistence rat spyware stealer trojan

Detect Xworm Payload

StormKitty

StormKitty payload

Xworm

Xworm family

Drops startup file

Reads user/profile data of web browsers

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-12 02:23

Signatures

Detect Xworm Payload

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

2024-05-12 02:23

Reported

2024-05-12 02:25

Platform

win10v2004-20240508-en

Max time kernel

143s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\XClient12.exe"

Signatures

Detect Xworm Payload

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

StormKitty

stealer stormkitty

StormKitty payload

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

Xworm

trojan rat xworm

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Payload1.lnk C:\Users\Admin\AppData\Local\Temp\XClient12.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Payload1.lnk C:\Users\Admin\AppData\Local\Temp\XClient12.exe N/A

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Payload1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload1" C:\Users\Admin\AppData\Local\Temp\XClient12.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\XClient12.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\XClient12.exe

"C:\Users\Admin\AppData\Local\Temp\XClient12.exe"

Network

Country Destination Domain Proto
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
AU 120.156.150.101:8085 tcp
US 8.8.8.8:53 101.150.156.120.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
AU 120.156.150.101:8085 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/4056-1-0x00007FFEC3D23000-0x00007FFEC3D25000-memory.dmp

memory/4056-0-0x0000000000AC0000-0x0000000000AD4000-memory.dmp

memory/4056-5-0x00007FFEC3D20000-0x00007FFEC47E1000-memory.dmp

memory/4056-6-0x00007FFEC3D20000-0x00007FFEC47E1000-memory.dmp

memory/4056-7-0x00000000011B0000-0x00000000011BC000-memory.dmp

memory/4056-9-0x000000001DD30000-0x000000001DE4E000-memory.dmp

memory/4056-48-0x000000001E6E0000-0x000000001E702000-memory.dmp