xworm | 428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f

Analysis

max time kernel
148s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 14:08

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General

Target
428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe
Size 809KB
Sample260810-rfhmaazgmc
SHA256 428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f
MD5 8284465df87cda31b4bca24429fc15c0
SHA1 b0fca726c690270381f9f48acc0ffe36cc762a9e
SHA512 6f3d8d8d1118209aea157898bdbf337aa9946cee4a510b4a19f16826783adb0c7b91246a3ed9254d0c1aa54224ebc683fc965df77f875d54660875ebb8ffd718
SSDEEP 12288:ko0/fJ6L9FOdMp+0ZO+l8fHJZnPwX9iB1gcHwxo0ROQ5n5hstWCJ3t479KFhVgUV:kFR6pF3l8fpZn4X8/gcQewdCn6W
TLSH
T1D8050288335BCC02C5A25FF01EB0D7B4157D4D95A811E313DEFABDABB4BE29A6C85181
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery evasion execution xworm persistence privilege_escalation rat trojan

Malware Config

Extracted

Family

xworm

Version

109.248.151.124:7575

Mutex

Qv68a8rxhU7eivQ8

Attributes

Install_directory
%AppData%
install_file
XWormClient.exe

aes.plain

Signatures

Family: Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1348-13-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 2 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	KrIAJghXPnk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1756	powershell.exe
1308	powershell.exe
3340	powershell.exe
5700	powershell.exe
4692	powershell.exe
4196	powershell.exe
2740	powershell.exe

Creates a file in the Startup directory 1 TTPs 2 IoCs

A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

persistence privilege_escalation

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XWormClient.lnk	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XWormClient.lnk	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe

Executes dropped EXE 3 IoCs

pid	Process
3184	KrIAJghXPnk.exe
5496	KrIAJghXPnk.exe
4604	KrIAJghXPnk.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Windows\CurrentVersion\Run\KrIAJghXPnk = "\"C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\powershell.exe\" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File \"C:\\Users\\Admin\\AppData\\Local\\Temp\\yqjl2wad3xe.ps1\""	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3380 set thread context of 1348	3380	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe	91
PID 3184 set thread context of 4604	3184	KrIAJghXPnk.exe	108

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KrIAJghXPnk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KrIAJghXPnk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4692	powershell.exe
2740	powershell.exe
2740	powershell.exe
2740	powershell.exe
4692	powershell.exe
4692	powershell.exe
4196	powershell.exe
4196	powershell.exe
4196	powershell.exe
1756	powershell.exe
1756	powershell.exe
1308	powershell.exe
1308	powershell.exe
3340	powershell.exe
3340	powershell.exe
3184	KrIAJghXPnk.exe
3184	KrIAJghXPnk.exe
5700	powershell.exe
5700	powershell.exe
5700	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1348	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe
Token: SeDebugPrivilege	4692	powershell.exe
Token: SeDebugPrivilege	2740	powershell.exe
Token: SeDebugPrivilege	4196	powershell.exe
Token: SeIncreaseQuotaPrivilege	4692	powershell.exe
Token: SeSecurityPrivilege	4692	powershell.exe
Token: SeTakeOwnershipPrivilege	4692	powershell.exe
Token: SeLoadDriverPrivilege	4692	powershell.exe
Token: SeSystemProfilePrivilege	4692	powershell.exe
Token: SeSystemtimePrivilege	4692	powershell.exe
Token: SeProfSingleProcessPrivilege	4692	powershell.exe
Token: SeIncBasePriorityPrivilege	4692	powershell.exe
Token: SeCreatePagefilePrivilege	4692	powershell.exe
Token: SeBackupPrivilege	4692	powershell.exe
Token: SeRestorePrivilege	4692	powershell.exe
Token: SeShutdownPrivilege	4692	powershell.exe
Token: SeDebugPrivilege	4692	powershell.exe
Token: SeSystemEnvironmentPrivilege	4692	powershell.exe
Token: SeRemoteShutdownPrivilege	4692	powershell.exe
Token: SeUndockPrivilege	4692	powershell.exe
Token: SeManageVolumePrivilege	4692	powershell.exe
Token: 33	4692	powershell.exe
Token: 34	4692	powershell.exe
Token: 35	4692	powershell.exe
Token: 36	4692	powershell.exe
Token: SeIncreaseQuotaPrivilege	4196	powershell.exe
Token: SeSecurityPrivilege	4196	powershell.exe
Token: SeTakeOwnershipPrivilege	4196	powershell.exe
Token: SeLoadDriverPrivilege	4196	powershell.exe
Token: SeSystemProfilePrivilege	4196	powershell.exe
Token: SeSystemtimePrivilege	4196	powershell.exe
Token: SeProfSingleProcessPrivilege	4196	powershell.exe
Token: SeIncBasePriorityPrivilege	4196	powershell.exe
Token: SeCreatePagefilePrivilege	4196	powershell.exe
Token: SeBackupPrivilege	4196	powershell.exe
Token: SeRestorePrivilege	4196	powershell.exe
Token: SeShutdownPrivilege	4196	powershell.exe
Token: SeDebugPrivilege	4196	powershell.exe
Token: SeSystemEnvironmentPrivilege	4196	powershell.exe
Token: SeRemoteShutdownPrivilege	4196	powershell.exe
Token: SeUndockPrivilege	4196	powershell.exe
Token: SeManageVolumePrivilege	4196	powershell.exe
Token: 33	4196	powershell.exe
Token: 34	4196	powershell.exe
Token: 35	4196	powershell.exe
Token: 36	4196	powershell.exe
Token: SeDebugPrivilege	1756	powershell.exe
Token: SeIncreaseQuotaPrivilege	1756	powershell.exe
Token: SeSecurityPrivilege	1756	powershell.exe
Token: SeTakeOwnershipPrivilege	1756	powershell.exe
Token: SeLoadDriverPrivilege	1756	powershell.exe
Token: SeSystemProfilePrivilege	1756	powershell.exe
Token: SeSystemtimePrivilege	1756	powershell.exe
Token: SeProfSingleProcessPrivilege	1756	powershell.exe
Token: SeIncBasePriorityPrivilege	1756	powershell.exe
Token: SeCreatePagefilePrivilege	1756	powershell.exe
Token: SeBackupPrivilege	1756	powershell.exe
Token: SeRestorePrivilege	1756	powershell.exe
Token: SeShutdownPrivilege	1756	powershell.exe
Token: SeDebugPrivilege	1756	powershell.exe
Token: SeSystemEnvironmentPrivilege	1756	powershell.exe
Token: SeRemoteShutdownPrivilege	1756	powershell.exe
Token: SeUndockPrivilege	1756	powershell.exe
Token: SeManageVolumePrivilege	1756	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 4692	3380	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe	89
PID 3380 wrote to memory of 1348	3380	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe	91
PID 3380 wrote to memory of 1348	3380	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe	91
PID 3380 wrote to memory of 1348	3380	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe	91
PID 3380 wrote to memory of 1348	3380	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe	91
PID 3380 wrote to memory of 1348	3380	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe	91
PID 1348 wrote to memory of 4196	1348	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe	94
PID 2740 wrote to memory of 3184	2740	powershell.exe	96
PID 1348 wrote to memory of 1756	1348	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe	99
PID 1348 wrote to memory of 1308	1348	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe	101
PID 1348 wrote to memory of 3340	1348	428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe	103
PID 3184 wrote to memory of 5700	3184	KrIAJghXPnk.exe	105
PID 3184 wrote to memory of 5496	3184	KrIAJghXPnk.exe	107
PID 3184 wrote to memory of 4604	3184	KrIAJghXPnk.exe	108
PID 3184 wrote to memory of 4604	3184	KrIAJghXPnk.exe	108
PID 3184 wrote to memory of 4604	3184	KrIAJghXPnk.exe	108
PID 3184 wrote to memory of 4604	3184	KrIAJghXPnk.exe	108
PID 3184 wrote to memory of 4604	3184	KrIAJghXPnk.exe	108

C:\Users\Admin\AppData\Local\Temp\428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe
"C:\Users\Admin\AppData\Local\Temp\428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe"
1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4692
- C:\Users\Admin\AppData\Local\Temp\428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe
  "C:\Users\Admin\AppData\Local\Temp\428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe"
  2⤵
  - Creates a file in the Startup directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1348
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4196
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '428e478e4fd72979677f7fc4f568a2fd05a811cb3ff555a4bd068226e86b012f.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1756
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XWormClient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1308
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XWormClient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3340

C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\yqjl2wad3xe.ps1"
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\Roaming\KrIAJghXPnk.exe
  "C:\Users\Admin\AppData\Roaming\KrIAJghXPnk.exe"
  2⤵
  - Modifies Windows Defender DisableAntiSpyware settings
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3184
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KrIAJghXPnk.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:5700
- - C:\Users\Admin\AppData\Roaming\KrIAJghXPnk.exe
    "C:\Users\Admin\AppData\Roaming\KrIAJghXPnk.exe"
    3⤵
    - Executes dropped EXE
    PID:5496
- - C:\Users\Admin\AppData\Roaming\KrIAJghXPnk.exe
    "C:\Users\Admin\AppData\Roaming\KrIAJghXPnk.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4604

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact