Malware Analysis Report

2025-08-05 09:03

Sample ID 241230-wcs13atqgv
Target FatalityCrack.exe
SHA256 657dcc3378b3dbbd131926612fb00e67683ccbc64dc2d743fce213734804f427
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

657dcc3378b3dbbd131926612fb00e67683ccbc64dc2d743fce213734804f427

Threat Level: Known bad

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

Malicious Activity Summary

xworm execution persistence rat trojan

Xworm

Xworm family

Detect Xworm Payload

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Drops startup file

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-30 17:46

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

2024-12-30 17:46

Reported

2024-12-30 17:49

Platform

win7-20240903-en

Max time kernel

134s

Max time network

145s

Command Line

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

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Xworm family

xworm

Drops startup file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\ProgramData\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\FatalityCrack.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\FatalityCrack.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2736 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2736 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2736 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2736 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2736 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2736 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2736 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2736 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2736 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2736 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2736 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2736 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

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

"C:\Users\Admin\AppData\Local\Temp\FatalityCrack.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\FatalityCrack.exe'

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

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

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svchost.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.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 userxmorma-27072.portmap.host udp
DE 193.161.193.99:27072 userxmorma-27072.portmap.host tcp
DE 193.161.193.99:27072 userxmorma-27072.portmap.host tcp
DE 193.161.193.99:27072 userxmorma-27072.portmap.host tcp
US 8.8.8.8:53 userxmorma-27072.portmap.host udp
DE 193.161.193.99:27072 userxmorma-27072.portmap.host tcp
DE 193.161.193.99:27072 userxmorma-27072.portmap.host tcp

Files

memory/2736-0-0x000007FEF5FF3000-0x000007FEF5FF4000-memory.dmp

memory/2736-1-0x0000000000A30000-0x0000000000A48000-memory.dmp

memory/2776-6-0x0000000002B10000-0x0000000002B90000-memory.dmp

memory/2776-7-0x000000001B7A0000-0x000000001BA82000-memory.dmp

memory/2776-8-0x0000000000560000-0x0000000000568000-memory.dmp

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

MD5 9baefc4aa26fd23023e087a78289110e
SHA1 bc28e8a45bb38479e5e83f97040792efcb7a5069
SHA256 d892311ede2c1d2831c61b905c25b1b9229384a11dc5c5ba0f2cd6cad2975b96
SHA512 93355a84948545f029d1157c4e62c74a602660e933be41c928cbafc279184fddf995f35d699d40279909e62c5b36bfa34e18069bfee9638739dce5523de3239a

memory/2740-14-0x000000001B6A0000-0x000000001B982000-memory.dmp

memory/2740-15-0x0000000001FC0000-0x0000000001FC8000-memory.dmp

memory/2736-30-0x000000001B250000-0x000000001B2D0000-memory.dmp

memory/2736-31-0x000007FEF5FF3000-0x000007FEF5FF4000-memory.dmp

memory/2736-32-0x000000001B250000-0x000000001B2D0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-30 17:46

Reported

2024-12-30 17:49

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\FatalityCrack.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe N/A

Drops startup file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\ProgramData\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\FatalityCrack.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\FatalityCrack.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe N/A

Suspicious use of SetWindowsHookEx

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\FatalityCrack.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\FatalityCrack.exe'

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

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

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svchost.exe'

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 userxmorma-27072.portmap.host udp
DE 193.161.193.99:27072 userxmorma-27072.portmap.host tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
DE 193.161.193.99:27072 userxmorma-27072.portmap.host tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
DE 193.161.193.99:27072 userxmorma-27072.portmap.host tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
DE 193.161.193.99:27072 userxmorma-27072.portmap.host tcp
DE 193.161.193.99:27072 userxmorma-27072.portmap.host tcp
US 8.8.8.8:53 26.73.42.20.in-addr.arpa udp

Files

memory/1068-0-0x00007FFA367A3000-0x00007FFA367A5000-memory.dmp

memory/1068-1-0x0000000000530000-0x0000000000548000-memory.dmp

memory/3704-4-0x00000235F4DF0000-0x00000235F4E12000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ox0ox1l0.5fo.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3704-12-0x00007FFA367A0000-0x00007FFA37261000-memory.dmp

memory/3704-13-0x00007FFA367A0000-0x00007FFA37261000-memory.dmp

memory/3704-14-0x00007FFA367A0000-0x00007FFA37261000-memory.dmp

memory/3704-17-0x00007FFA367A0000-0x00007FFA37261000-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 ba169f4dcbbf147fe78ef0061a95e83b
SHA1 92a571a6eef49fff666e0f62a3545bcd1cdcda67
SHA256 5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1
SHA512 8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

memory/1068-56-0x00007FFA367A0000-0x00007FFA37261000-memory.dmp

memory/1068-57-0x00007FFA367A3000-0x00007FFA367A5000-memory.dmp

memory/1068-58-0x00007FFA367A0000-0x00007FFA37261000-memory.dmp