xworm | 7ca1dfc3154381c742649930ef86f7d4413150c9d1309f3da6526f842d3e4097

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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
behavioral1/memory/3448-0-0x00000000000F0000-0x0000000000114000-memory.dmp	family_xworm
behavioral1/files/0x000b0000000243aa-46.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
1100	powershell.exe
2276	powershell.exe
2728	powershell.exe
4732	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000\Control Panel\International\Geo\Nation	WaveChecker.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
3240	XClient.exe
4336	XClient.exe
2576	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-1-5-21-895009113-1202185046-1686627690-1000\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
3796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1100	powershell.exe
1100	powershell.exe
2276	powershell.exe
2276	powershell.exe
2728	powershell.exe
2728	powershell.exe
4732	powershell.exe
4732	powershell.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3448	WaveChecker.exe
Token: SeDebugPrivilege	1100	powershell.exe
Token: SeDebugPrivilege	2276	powershell.exe
Token: SeDebugPrivilege	2728	powershell.exe
Token: SeDebugPrivilege	4732	powershell.exe
Token: SeDebugPrivilege	3448	WaveChecker.exe
Token: SeDebugPrivilege	3240	XClient.exe
Token: SeDebugPrivilege	4336	XClient.exe
Token: SeDebugPrivilege	2576	XClient.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 1100	3448	WaveChecker.exe	88
PID 3448 wrote to memory of 2276	3448	WaveChecker.exe	90
PID 3448 wrote to memory of 2728	3448	WaveChecker.exe	92
PID 3448 wrote to memory of 4732	3448	WaveChecker.exe	94
PID 3448 wrote to memory of 3796	3448	WaveChecker.exe	97

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⤵
- Checks computer location settings
- 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:3448
- 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:1100
- 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:2276
- 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:2728
- 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
  - Suspicious use of AdjustPrivilegeToken
  PID:4732
- 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:3796

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3240

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4336

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2576

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

Replay Monitor

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Downloads

XClient.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log
Size 654B
SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
MD5 2ff39f6c7249774be85fd60a8f9a245e
SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
TLSH
T1D9F0DD242221E1C489127F111C0D2A4452BF4797B760EE0C7554529FD8312275F203E7
MD5 SHA1 SHA512 TLSH

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
TLSH
T1CE51EE323375B1E888167F071E681A8053BF4355EA94AF1CB698621ED93641B9F222F3
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 91a76a2c6c73116293fb7e5bfb12b00ef8128a04fbbb44153f4fd63794b2b8ae
MD5 555e68af1b8e33f84346bf2335e6191a
SHA1 fa078ed3a608f05ae2dd2db8ed52d6bafe8d510e
SHA512 6f3d5be098271b844d0cbd21d902e68ce80f0bcfa67e3fb507d11bacf15227d3e66397fec2691d7f3333194d4d2067ea416bcbb1d9739f661db3bab0259af44e
TLSH
T10C112223F38C8920CC96163A509DAC5172B586DB81AEDF9F7FC0D210A1BF584CB61294
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 8313a191aa9d11cce868d95ac9a9b1609275bfe93131fcb6e547b985b0242fbe
MD5 a9293ef980c925abe33d940554ed8575
SHA1 9b6d85f2595f7fd4923f52b21ab7607279066969
SHA512 2003d90bb2bc89378ccaeb9c5edf76b2dfd93c80369d063e56141abb8d7fea6acee6a103874ab227bc1548437269c8e4ee5174bf482ecf3d66c38f3e0ba35d85
TLSH
T1E8112223F78C8920CC961539509DAC5172B586CB81AFDE9F7FC0C210A1BF584CB61194
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 9f7f29a4696876cadca3f14d7e43f9ede0c97fd64be3f5d94bda49a91b6a419e
MD5 e5663972c1caaba7088048911c758bf3
SHA1 3462dea0f9c2c16a9c3afdaef8bbb1f753c1c198
SHA512 ff4e72c46cf083de62baa2ce2661555dd91b5f144294015f7b262fd4500cb67fe80e1871a82da63b607e3e9cef401f4b73c587bf1134637881ecad51aad1eddc
TLSH
T1F3112223F38C8960CC96153A509DAC5172B686CB81AFDE9F7FC0C210A5BF584CB61294
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_kjdz2ndd.02e.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kjdz2ndd.02e.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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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/1100-4-0x000001E661170000-0x000001E661192000-memory.dmp

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memory/1100-1-0x000001E6469F0000-0x000001E646A00000-memory.dmp

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memory/1100-2-0x000001E6469F0000-0x000001E646A00000-memory.dmp

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memory/3448-0-0x00000000000F0000-0x0000000000114000-memory.dmp

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memory/3448-45-0x0000000002490000-0x00000000024A0000-memory.dmp

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memory/3448-49-0x0000000002490000-0x00000000024A0000-memory.dmp

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