xworm | 7ca1dfc3154381c742649930ef86f7d4413150c9d1309f3da6526f842d3e4097

Analysis

max time kernel
148s
max time network
148s
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, 16:38

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General

Target
WaveChecker.exe
Size 122KB
Sample261020-t5qejacd44
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/3660-1-0x0000000000AE0000-0x0000000000B04000-memory.dmp	family_xworm
behavioral2/files/0x0003000000000434-54.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
4584	powershell.exe
124	powershell.exe
3152	powershell.exe
4832	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
4244	XClient.exe
1348	XClient.exe
4308	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-1-5-21-696679853-3915825385-3233721679-1000\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
2944	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4584	powershell.exe
4584	powershell.exe
4832	powershell.exe
4832	powershell.exe
3152	powershell.exe
3152	powershell.exe
124	powershell.exe
124	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3660	WaveChecker.exe
Token: SeDebugPrivilege	4584	powershell.exe
Token: SeIncreaseQuotaPrivilege	4584	powershell.exe
Token: SeSecurityPrivilege	4584	powershell.exe
Token: SeTakeOwnershipPrivilege	4584	powershell.exe
Token: SeLoadDriverPrivilege	4584	powershell.exe
Token: SeSystemProfilePrivilege	4584	powershell.exe
Token: SeSystemtimePrivilege	4584	powershell.exe
Token: SeProfSingleProcessPrivilege	4584	powershell.exe
Token: SeIncBasePriorityPrivilege	4584	powershell.exe
Token: SeCreatePagefilePrivilege	4584	powershell.exe
Token: SeBackupPrivilege	4584	powershell.exe
Token: SeRestorePrivilege	4584	powershell.exe
Token: SeShutdownPrivilege	4584	powershell.exe
Token: SeDebugPrivilege	4584	powershell.exe
Token: SeSystemEnvironmentPrivilege	4584	powershell.exe
Token: SeRemoteShutdownPrivilege	4584	powershell.exe
Token: SeUndockPrivilege	4584	powershell.exe
Token: SeManageVolumePrivilege	4584	powershell.exe
Token: 33	4584	powershell.exe
Token: 34	4584	powershell.exe
Token: 35	4584	powershell.exe
Token: 36	4584	powershell.exe
Token: SeDebugPrivilege	4832	powershell.exe
Token: SeIncreaseQuotaPrivilege	4832	powershell.exe
Token: SeSecurityPrivilege	4832	powershell.exe
Token: SeTakeOwnershipPrivilege	4832	powershell.exe
Token: SeLoadDriverPrivilege	4832	powershell.exe
Token: SeSystemProfilePrivilege	4832	powershell.exe
Token: SeSystemtimePrivilege	4832	powershell.exe
Token: SeProfSingleProcessPrivilege	4832	powershell.exe
Token: SeIncBasePriorityPrivilege	4832	powershell.exe
Token: SeCreatePagefilePrivilege	4832	powershell.exe
Token: SeBackupPrivilege	4832	powershell.exe
Token: SeRestorePrivilege	4832	powershell.exe
Token: SeShutdownPrivilege	4832	powershell.exe
Token: SeDebugPrivilege	4832	powershell.exe
Token: SeSystemEnvironmentPrivilege	4832	powershell.exe
Token: SeRemoteShutdownPrivilege	4832	powershell.exe
Token: SeUndockPrivilege	4832	powershell.exe
Token: SeManageVolumePrivilege	4832	powershell.exe
Token: 33	4832	powershell.exe
Token: 34	4832	powershell.exe
Token: 35	4832	powershell.exe
Token: 36	4832	powershell.exe
Token: SeDebugPrivilege	3152	powershell.exe
Token: SeIncreaseQuotaPrivilege	3152	powershell.exe
Token: SeSecurityPrivilege	3152	powershell.exe
Token: SeTakeOwnershipPrivilege	3152	powershell.exe
Token: SeLoadDriverPrivilege	3152	powershell.exe
Token: SeSystemProfilePrivilege	3152	powershell.exe
Token: SeSystemtimePrivilege	3152	powershell.exe
Token: SeProfSingleProcessPrivilege	3152	powershell.exe
Token: SeIncBasePriorityPrivilege	3152	powershell.exe
Token: SeCreatePagefilePrivilege	3152	powershell.exe
Token: SeBackupPrivilege	3152	powershell.exe
Token: SeRestorePrivilege	3152	powershell.exe
Token: SeShutdownPrivilege	3152	powershell.exe
Token: SeDebugPrivilege	3152	powershell.exe
Token: SeSystemEnvironmentPrivilege	3152	powershell.exe
Token: SeRemoteShutdownPrivilege	3152	powershell.exe
Token: SeUndockPrivilege	3152	powershell.exe
Token: SeManageVolumePrivilege	3152	powershell.exe
Token: 33	3152	powershell.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 4584	3660	WaveChecker.exe	89
PID 3660 wrote to memory of 4832	3660	WaveChecker.exe	92
PID 3660 wrote to memory of 3152	3660	WaveChecker.exe	94
PID 3660 wrote to memory of 124	3660	WaveChecker.exe	96
PID 3660 wrote to memory of 2944	3660	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:3660
- 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:4584
- 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:4832
- 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:3152
- 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:124
- 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:2944

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
PID:4244

C:\Users\Admin\AppData\Roaming\XClient.exe
"C:\Users\Admin\AppData\Roaming\XClient.exe"
1⤵
- Executes dropped EXE
PID:1348

C:\Users\Admin\AppData\Roaming\XClient.exe
"C:\Users\Admin\AppData\Roaming\XClient.exe"
1⤵
- Executes dropped EXE
PID:4308

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 e56f4a38e0c60f0196c589e1952198368a10927e65ff24d1476ffafc489657f4
MD5 78b9021e0576c01ec958b87ec52832c1
SHA1 76df758d602c2d4cc4a4bfa0f3b435cae1ed3ffa
SHA512 4402163ed9623a392f120417ea0b5049bf0d76b88dd7f4fc70428ef7e76601f25bd534ae916ed9daba859fb6308d6f370712985ccd165f6393dbce7c5c507514
TLSH
T11F216833F3DD8614C89A413A10CDAC1036B6C7DB41DECFAB7B84E655A43F699CE61160
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

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__PSScriptPolicyTest_1zfoho3b.bxe.psm1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1zfoho3b.bxe.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

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memory/3660-0-0x00007FF8C59AF000-0x00007FF8C59B0000-memory.dmp

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memory/3660-2-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/3660-58-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/3660-57-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/3660-56-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/3660-53-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/3660-1-0x0000000000AE0000-0x0000000000B04000-memory.dmp

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memory/3660-52-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-10-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-26-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-16-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-17-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-18-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-19-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-23-0x000001C7530C0000-0x000001C753172000-memory.dmp

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memory/4584-22-0x000001C7530A0000-0x000001C7530BE000-memory.dmp

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memory/4584-14-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-24-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-25-0x000001C73AB30000-0x000001C73AB3A000-memory.dmp

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memory/4584-15-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-13-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-12-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-29-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-27-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-11-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-9-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-8-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-7-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-5-0x00007FF8C5820000-0x00007FF8C61C4000-memory.dmp

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memory/4584-6-0x000001C73AAA0000-0x000001C73AAC2000-memory.dmp

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