xworm | 8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
05/09/2026, 11:16

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General

Target
8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe
Size 128KB
Sample260905-ndfhcsdd93
SHA256 8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a
MD5 8a8569c61b5692e2526ad463746de277
SHA1 e4113b3b182b9bc1c0ab04dd6b13059fe4f37984
SHA512 cacf42f3c8c3b09bb46c1fee6b2ee291700db1e9d65b4b8f93137bbb8d5cd65714e1852e15a4c1fbac68751cfd1e04e93c35bfbd39cc654dda8f6f2627b4f4c3
SSDEEP 3072:iBPereF+5yj4JbM15HyTOph9BeF+YzB1hXeiYY0I26QqZ:wPereFmyEJbgHyyBeYA/mIBp
TLSH
T1A8D3D09D77A04861D3FE0F7548F26361CB76EE639C239B0F54D8229E2633A888F01795
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution xworm persistence privilege_escalation rat trojan

Malware Config

Extracted

Family

xworm

7.tcp.cpolar.top:2223

Attributes

Install_directory
%AppData%
install_file
XClient.exe

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/3092-0-0x0000000000220000-0x0000000000246000-memory.dmp	family_xworm
behavioral1/files/0x000a00000002458a-49.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
4928	powershell.exe
2356	powershell.exe
212	powershell.exe
4924	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-1-5-21-2937465464-4167303362-2236413517-1000\Control Panel\International\Geo\Nation	8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.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	8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe

Executes dropped EXE 3 IoCs

pid	Process
3036	XClient.exe
2760	XClient.exe
1340	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-1-5-21-2937465464-4167303362-2236413517-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe

Looks up external IP address via web service 1 TTPs 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

discovery

Internet Connection Discovery

T1016.001

flow	ioc
3	ip-api.com

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

System Information Discovery
T1082

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
2304	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3092	8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4928	powershell.exe
4928	powershell.exe
2356	powershell.exe
2356	powershell.exe
212	powershell.exe
212	powershell.exe
4924	powershell.exe
4924	powershell.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3092	8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe
Token: SeDebugPrivilege	4928	powershell.exe
Token: SeDebugPrivilege	2356	powershell.exe
Token: SeDebugPrivilege	212	powershell.exe
Token: SeDebugPrivilege	4924	powershell.exe
Token: SeDebugPrivilege	3092	8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe
Token: SeDebugPrivilege	3036	XClient.exe
Token: SeDebugPrivilege	2760	XClient.exe
Token: SeDebugPrivilege	1340	XClient.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 4928	3092	8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe	93
PID 3092 wrote to memory of 2356	3092	8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe	95
PID 3092 wrote to memory of 212	3092	8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe	97
PID 3092 wrote to memory of 4924	3092	8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe	99
PID 3092 wrote to memory of 2304	3092	8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe	101

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\8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe
"C:\Users\Admin\AppData\Local\Temp\8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe"
1⤵
- Checks computer location settings
- Creates a file in the Startup directory
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3092
- 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\8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4928
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2356
- 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:212
- 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:4924
- 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:2304

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3036

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2760

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1340

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

Query Registry

T1012

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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 d55c967fc0f31421a4d165b8d1489715d004b5b5f03cce61a343209862cc4305
MD5 8ecf671fcff41f2237bcc126ac860771
SHA1 8233a409b1409190fcd2a25bd161570691d20016
SHA512 b978d302130188d40b5e192df72c7e936621a30ec153bd3d2509db1578b104c6d85f8e7b2c97c9b6a0e8db765f993a4ada24887778e4a9d920a9e13114ac0e17
TLSH
T130112623F38C8A60CC86153950ADAC5172B586CB85DFDE9F7BC0D210A5BF584CB61194
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 c88e4bbb64f7fa31429ebe82c1cf07785c44486f37576f783a26ac856e02a4eb
MD5 9bc110200117a3752313ca2acaf8a9e1
SHA1 fda6b7da2e7b0175b391475ca78d1b4cf2147cd3
SHA512 1f1af32aa18a8cbfcc65b0d4fb7e6ca2705f125eaa85789e981ee68b90c64522e954825abf460d4b4f97567715dfae8d9b0a25a4d54d10bc4c257c472f2e80fb
TLSH
T184112223F78C8921CC961539509DAC5172B586CB81AFDE9F7FC0C210A1BF584CB611D4
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_s3lqsfb2.t0s.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s3lqsfb2.t0s.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 128KB
SHA256 8fe4071965b17c86f5a1c5f274147ee4d0fce05f54bf7e29e128b1ee3e75503a
MD5 8a8569c61b5692e2526ad463746de277
SHA1 e4113b3b182b9bc1c0ab04dd6b13059fe4f37984
SHA512 cacf42f3c8c3b09bb46c1fee6b2ee291700db1e9d65b4b8f93137bbb8d5cd65714e1852e15a4c1fbac68751cfd1e04e93c35bfbd39cc654dda8f6f2627b4f4c3
SSDEEP 3072:iBPereF+5yj4JbM15HyTOph9BeF+YzB1hXeiYY0I26QqZ:wPereFmyEJbgHyyBeYA/mIBp
TLSH
T1A8D3D09D77A04861D3FE0F7548F26361CB76EE639C239B0F54D8229E2633A888F01795
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3092-0-0x0000000000220000-0x0000000000246000-memory.dmp

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memory/3092-2-0x00000000009F0000-0x0000000000A00000-memory.dmp

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memory/3092-1-0x00000000009F0000-0x0000000000A00000-memory.dmp

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memory/4924-44-0x000001C145000000-0x000001C14521C000-memory.dmp

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memory/4928-15-0x000001CB79B90000-0x000001CB79DAC000-memory.dmp

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memory/4928-7-0x000001CB79AD0000-0x000001CB79AF2000-memory.dmp

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memory/4928-3-0x000001CB79B80000-0x000001CB79B90000-memory.dmp

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memory/4928-4-0x000001CB79B80000-0x000001CB79B90000-memory.dmp

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