xworm | 7ca1dfc3154381c742649930ef86f7d4413150c9d1309f3da6526f842d3e4097

Analysis

max time kernel
150s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/10/2026, 16:19

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General

Target
WaveChecker.exe
Size 122KB
Sample261020-tsneeatt2r
SHA256 7ca1dfc3154381c742649930ef86f7d4413150c9d1309f3da6526f842d3e4097
MD5 65ec34fd09eb76b07a3b836dccde0142
SHA1 d40082c25ece280c38974fe8987c643e8357c75f
SHA512 a9e298b38f83cc1e59971a226ed450ada75b5ec913c9bc3a9104abc0f3c093bef357bea1d0e8d8e81b227e0e77b0fbc70b7c6b05fd7275e2b1f5619f231a0c89
SSDEEP 3072:ey+Giu6IsFr99SO/8TbQyB0RmWK7QNUrYnpZi+4MeRxkR:e7lr9l1b/i7M
TLSH
T136C3E058B7C00234DBBCAF75657277520238A603C917EA0F1DE9489E6F377CA4A512F2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution xworm persistence privilege_escalation rat trojan

Malware Config

Extracted

Family

xworm

Version

u973.cantdown.su:1728

Mutex

23JsUqE1lWaqDZNs

Attributes

Install_directory
%AppData%
install_file
XClient.exe

aes.plain

Signatures

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

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2800-1-0x0000000000340000-0x0000000000364000-memory.dmp	family_xworm
behavioral2/files/0x000c000000000442-55.dat	family_xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

execution

PowerShell

T1059.001

pid	Process
4248	powershell.exe
1092	powershell.exe
2392	powershell.exe
4392	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\XClient.lnk	WaveChecker.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	WaveChecker.exe

Executes dropped EXE 3 IoCs

pid	Process
4288	XClient.exe
5876	XClient.exe
5972	XClient.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-1-5-21-53044966-3830981193-2402648431-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	WaveChecker.exe

Enumerates video capture drivers 2 TTPs 1 IoCs

Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.

discovery defense_evasion

Peripheral Device Discovery

T1120

Video Capture

T1125

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32\msvideo9	WaveChecker.exe

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

System Information Discovery
T1082

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	WaveChecker.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	WaveChecker.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
5768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4248	powershell.exe
4248	powershell.exe
4248	powershell.exe
1092	powershell.exe
1092	powershell.exe
1092	powershell.exe
2392	powershell.exe
2392	powershell.exe
2392	powershell.exe
4392	powershell.exe
4392	powershell.exe
4392	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	WaveChecker.exe
Token: SeDebugPrivilege	4248	powershell.exe
Token: SeIncreaseQuotaPrivilege	4248	powershell.exe
Token: SeSecurityPrivilege	4248	powershell.exe
Token: SeTakeOwnershipPrivilege	4248	powershell.exe
Token: SeLoadDriverPrivilege	4248	powershell.exe
Token: SeSystemProfilePrivilege	4248	powershell.exe
Token: SeSystemtimePrivilege	4248	powershell.exe
Token: SeProfSingleProcessPrivilege	4248	powershell.exe
Token: SeIncBasePriorityPrivilege	4248	powershell.exe
Token: SeCreatePagefilePrivilege	4248	powershell.exe
Token: SeBackupPrivilege	4248	powershell.exe
Token: SeRestorePrivilege	4248	powershell.exe
Token: SeShutdownPrivilege	4248	powershell.exe
Token: SeDebugPrivilege	4248	powershell.exe
Token: SeSystemEnvironmentPrivilege	4248	powershell.exe
Token: SeRemoteShutdownPrivilege	4248	powershell.exe
Token: SeUndockPrivilege	4248	powershell.exe
Token: SeManageVolumePrivilege	4248	powershell.exe
Token: 33	4248	powershell.exe
Token: 34	4248	powershell.exe
Token: 35	4248	powershell.exe
Token: 36	4248	powershell.exe
Token: SeDebugPrivilege	1092	powershell.exe
Token: SeIncreaseQuotaPrivilege	1092	powershell.exe
Token: SeSecurityPrivilege	1092	powershell.exe
Token: SeTakeOwnershipPrivilege	1092	powershell.exe
Token: SeLoadDriverPrivilege	1092	powershell.exe
Token: SeSystemProfilePrivilege	1092	powershell.exe
Token: SeSystemtimePrivilege	1092	powershell.exe
Token: SeProfSingleProcessPrivilege	1092	powershell.exe
Token: SeIncBasePriorityPrivilege	1092	powershell.exe
Token: SeCreatePagefilePrivilege	1092	powershell.exe
Token: SeBackupPrivilege	1092	powershell.exe
Token: SeRestorePrivilege	1092	powershell.exe
Token: SeShutdownPrivilege	1092	powershell.exe
Token: SeDebugPrivilege	1092	powershell.exe
Token: SeSystemEnvironmentPrivilege	1092	powershell.exe
Token: SeRemoteShutdownPrivilege	1092	powershell.exe
Token: SeUndockPrivilege	1092	powershell.exe
Token: SeManageVolumePrivilege	1092	powershell.exe
Token: 33	1092	powershell.exe
Token: 34	1092	powershell.exe
Token: 35	1092	powershell.exe
Token: 36	1092	powershell.exe
Token: SeDebugPrivilege	2392	powershell.exe
Token: SeIncreaseQuotaPrivilege	2392	powershell.exe
Token: SeSecurityPrivilege	2392	powershell.exe
Token: SeTakeOwnershipPrivilege	2392	powershell.exe
Token: SeLoadDriverPrivilege	2392	powershell.exe
Token: SeSystemProfilePrivilege	2392	powershell.exe
Token: SeSystemtimePrivilege	2392	powershell.exe
Token: SeProfSingleProcessPrivilege	2392	powershell.exe
Token: SeIncBasePriorityPrivilege	2392	powershell.exe
Token: SeCreatePagefilePrivilege	2392	powershell.exe
Token: SeBackupPrivilege	2392	powershell.exe
Token: SeRestorePrivilege	2392	powershell.exe
Token: SeShutdownPrivilege	2392	powershell.exe
Token: SeDebugPrivilege	2392	powershell.exe
Token: SeSystemEnvironmentPrivilege	2392	powershell.exe
Token: SeRemoteShutdownPrivilege	2392	powershell.exe
Token: SeUndockPrivilege	2392	powershell.exe
Token: SeManageVolumePrivilege	2392	powershell.exe
Token: 33	2392	powershell.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 4248	2800	WaveChecker.exe	89
PID 2800 wrote to memory of 1092	2800	WaveChecker.exe	92
PID 2800 wrote to memory of 2392	2800	WaveChecker.exe	94
PID 2800 wrote to memory of 4392	2800	WaveChecker.exe	96
PID 2800 wrote to memory of 5768	2800	WaveChecker.exe	98

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\WaveChecker.exe
"C:\Users\Admin\AppData\Local\Temp\WaveChecker.exe"
1⤵
- Creates a file in the Startup directory
- Adds Run key to start application
- Enumerates video capture drivers
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2800
- 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\WaveChecker.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4248
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WaveChecker.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1092
- 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\Roaming\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2392
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4392
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5768

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
PID:4288

C:\Users\Admin\AppData\Roaming\XClient.exe
"C:\Users\Admin\AppData\Roaming\XClient.exe"
1⤵
- Executes dropped EXE
PID:5876

C:\Users\Admin\AppData\Roaming\XClient.exe
"C:\Users\Admin\AppData\Roaming\XClient.exe"
1⤵
- Executes dropped EXE
PID:5972

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Video Capture

T1125

Command and Control

Exfiltration

Impact

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Downloads

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 a976a31824c3a0cc2a6b0fd9ec6045c398d82990e5e96df2ad86ba09a9b05be5
MD5 66f9b690d4e5313231bc173ce7b2c029
SHA1 b0dbce2f97d8ca067ddde29c06272e56e38fa195
SHA512 8f0c4c220fc64928778bf68c853246126b44f40fcdc99aa2fdaa491797ce02783c8776fdd7bd3154544336f0466000a8b92c740ed0d0df75b8a6990da450650e
TLSH
T158216833B3DD8614C89A413A10CDAC1036B6C7DB41DECFAB7B84E655A43F699CE61160
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 070e2dc002fee5d6c6ae0611713bb24a9f01d741d964e7f1ece4f61789724a94
MD5 95e9928464a1f3425068f7e64a74060a
SHA1 9bdbd59bea34afd0aebf4d0c3d3cfe0317aa4d57
SHA512 a150525324ebe4a0dc28577f089c1f45ef0902355ecd9d5f10c91d45fe57d44d09c6d133a92c3f32dca0c73b97b259d5ad7ff4316edafa2cb00e38d64e043f06
TLSH
T1E9216833F3DD8654C899413A10CEAC1035B7C7DB40DECEDB6B84D559A43F699CE61160
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_vua0cpgq.x3y.psm1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vua0cpgq.x3y.psm1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

XClient.exe

Path C:\Users\Admin\AppData\Roaming\XClient.exe
Size 122KB
SHA256 7ca1dfc3154381c742649930ef86f7d4413150c9d1309f3da6526f842d3e4097
MD5 65ec34fd09eb76b07a3b836dccde0142
SHA1 d40082c25ece280c38974fe8987c643e8357c75f
SHA512 a9e298b38f83cc1e59971a226ed450ada75b5ec913c9bc3a9104abc0f3c093bef357bea1d0e8d8e81b227e0e77b0fbc70b7c6b05fd7275e2b1f5619f231a0c89
SSDEEP 3072:ey+Giu6IsFr99SO/8TbQyB0RmWK7QNUrYnpZi+4MeRxkR:e7lr9l1b/i7M
TLSH
T136C3E058B7C00234DBBCAF75657277520238A603C917EA0F1DE9489E6F377CA4A512F2
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2800-58-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/2800-5-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/2800-0-0x00007FFF4518F000-0x00007FFF45190000-memory.dmp

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memory/2800-57-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/2800-4-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/2800-54-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/2800-3-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/2800-2-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/2800-1-0x0000000000340000-0x0000000000364000-memory.dmp

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memory/4248-18-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-27-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-17-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-15-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-19-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-23-0x00000273FBF30000-0x00000273FBFE2000-memory.dmp

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memory/4248-22-0x00000273FBF10000-0x00000273FBF2E000-memory.dmp

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memory/4248-14-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-24-0x00000273FBFF0000-0x00000273FBFFA000-memory.dmp

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memory/4248-25-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-26-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-16-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-28-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-29-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-31-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-13-0x00000273FBE80000-0x00000273FBEA2000-memory.dmp

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memory/4248-10-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-9-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-8-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-7-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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memory/4248-6-0x00007FFF45000000-0x00007FFF459A4000-memory.dmp

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