Malware Analysis Report

2025-08-06 01:47

Sample ID 241031-csptsswkhy
Target 4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe
SHA256 4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1
Tags
xworm execution 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

4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1

Threat Level: Known bad

The file 4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe was found to be: Known bad.

Malicious Activity Summary

xworm execution persistence rat trojan

Detect Xworm Payload

Xworm family

Xworm

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 02:20

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

2024-10-31 02:20

Reported

2024-10-31 02:23

Platform

win7-20241010-en

Max time kernel

128s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Xworm family

xworm

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftClient = "C:\\Users\\Admin\\AppData\\Local\\MicrosoftClient.exe" C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2060 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2060 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe

"C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\MicrosoftClient.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MicrosoftClient.exe'

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 vehicle-temp.gl.at.ply.gg udp
US 147.185.221.23:1930 vehicle-temp.gl.at.ply.gg tcp
US 147.185.221.23:1930 vehicle-temp.gl.at.ply.gg tcp
US 147.185.221.23:1930 vehicle-temp.gl.at.ply.gg tcp
US 147.185.221.23:1930 vehicle-temp.gl.at.ply.gg tcp
US 147.185.221.23:1930 vehicle-temp.gl.at.ply.gg tcp

Files

memory/2060-0-0x000007FEF6253000-0x000007FEF6254000-memory.dmp

memory/2060-1-0x00000000002D0000-0x00000000002FE000-memory.dmp

memory/2144-6-0x0000000002500000-0x0000000002580000-memory.dmp

memory/2144-7-0x000000001B210000-0x000000001B4F2000-memory.dmp

memory/2144-8-0x0000000002220000-0x0000000002228000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

MD5 e07434875f4889ec4046e5541317b9b5
SHA1 e36b889d5456e6deecfdc5296b6bc156e6bc012a
SHA256 31af0ec31f412d19211aa04a41353766800801c8593bf461fd2e4ca59ef96e8b
SHA512 6bb95584dff550c769d4fd16022cee8e312d8b98fac047055e5534b5b1e56e5bbf62ed95cbb04a228dbed4d5933b019c2814b7f62ea2f06e09c9a438c7e0bdcc

memory/2892-14-0x000000001B2D0000-0x000000001B5B2000-memory.dmp

memory/2892-15-0x00000000022A0000-0x00000000022A8000-memory.dmp

memory/2060-26-0x000007FEF6253000-0x000007FEF6254000-memory.dmp

memory/2060-28-0x000000001ABB0000-0x000000001AC30000-memory.dmp

memory/2060-29-0x000000001ABB0000-0x000000001AC30000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-31 02:20

Reported

2024-10-31 02:23

Platform

win10v2004-20241007-en

Max time kernel

134s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Xworm family

xworm

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicrosoftClient = "C:\\Users\\Admin\\AppData\\Local\\MicrosoftClient.exe" C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4292 wrote to memory of 4796 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4292 wrote to memory of 4796 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4292 wrote to memory of 348 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4292 wrote to memory of 348 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4292 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4292 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4292 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4292 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe

"C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '4571751b2b7477fded0012f46aded7c86fb93194980897418c17ac917c4d4cc1.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\MicrosoftClient.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MicrosoftClient.exe'

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 vehicle-temp.gl.at.ply.gg udp
US 147.185.221.23:1930 vehicle-temp.gl.at.ply.gg tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 147.185.221.23:1930 vehicle-temp.gl.at.ply.gg tcp
US 8.8.8.8:53 74.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 147.185.221.23:1930 vehicle-temp.gl.at.ply.gg tcp
US 147.185.221.23:1930 vehicle-temp.gl.at.ply.gg tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 147.185.221.23:1930 vehicle-temp.gl.at.ply.gg tcp

Files

memory/4292-0-0x00007FFC27F23000-0x00007FFC27F25000-memory.dmp

memory/4292-1-0x0000000000FC0000-0x0000000000FEE000-memory.dmp

memory/4796-2-0x0000025370E70000-0x0000025370E92000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0zv10b15.a5x.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4796-12-0x00007FFC27F20000-0x00007FFC289E1000-memory.dmp

memory/4796-13-0x00007FFC27F20000-0x00007FFC289E1000-memory.dmp

memory/4796-14-0x00007FFC27F20000-0x00007FFC289E1000-memory.dmp

memory/4796-17-0x00007FFC27F20000-0x00007FFC289E1000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 6d42b6da621e8df5674e26b799c8e2aa
SHA1 ab3ce1327ea1eeedb987ec823d5e0cb146bafa48
SHA256 5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c
SHA512 53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 34f595487e6bfd1d11c7de88ee50356a
SHA1 4caad088c15766cc0fa1f42009260e9a02f953bb
SHA256 0f9a4b52e01cb051052228a55d0515911b7ef5a8db3cf925528c746df511424d
SHA512 10976c5deaf9fac449e703e852c3b08d099f430de2d7c7b8e2525c35d63e28b890e5aab63feff9b20bca0aaf9f35a3ba411aee3fbeee9ea59f90ed25bd617a0b

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 da185fddf7e751e39023edde12930f37
SHA1 657fcb7fda401b69d3bb97e7b6abf126ac36d4b2
SHA256 8928226805a92acd76d21e1a276176d9af3ca1ec31f14e45a2b4b88f4722cad5
SHA512 db7bc02a1bd86d587840a56334dee9cb80aa0a8635cd2eb1c490bc5466659350de4d625f320731e34fac235016515d0dddc05a6081149dc6c2e82c262be6b975

memory/4292-53-0x00007FFC27F20000-0x00007FFC289E1000-memory.dmp

memory/4292-54-0x00007FFC27F23000-0x00007FFC27F25000-memory.dmp

memory/4292-55-0x00007FFC27F20000-0x00007FFC289E1000-memory.dmp