xworm | c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/08/2026, 17:17

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe
Size 196KB
Sample260802-vt25maxejc
SHA256 c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c
MD5 8ed5cf2a20465c1cc5d2093d5e526583
SHA1 710a3f26d445a54ad98eae9228cca417c0cead4f
SHA512 af4283f824a252373dcfa28a8be547a8489137205a8437e7fe711b29d668e9bc5c61a93a62fcf756476e8149bdad90931a5a779df189ef9f4a8117d1cdb047db
SSDEEP 3072:QaYK/xvY3BO6mil9sbe2TMEtOFc6dEEetYmS4g+Ehfx:QaYKpv+B1jlSb9MEkIEeW4g+Ehf
TLSH
T1EC142C9E2E4506F7E36CF93480F3332D633EDE3A3E965E0EE8AE3E9566318485944511
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution xworm persistence privilege_escalation rat trojan

Malware Config

Extracted

Family

xworm

Version

XWorm V5.6

stammer-announcing.tun.ply.gg:26227

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/4476-0-0x0000000000470000-0x00000000004A6000-memory.dmp	family_xworm
behavioral1/files/0x000c0000000243de-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
3396	powershell.exe
4156	powershell.exe
3460	powershell.exe
2000	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-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\International\Geo\Nation	c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.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	c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe

Executes dropped EXE 3 IoCs

pid	Process
4052	XClient.exe
1980	XClient.exe
2748	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-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.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
5	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
4540	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2000	powershell.exe
2000	powershell.exe
3396	powershell.exe
3396	powershell.exe
4156	powershell.exe
4156	powershell.exe
3460	powershell.exe
3460	powershell.exe
4476	c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4476	c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe
Token: SeDebugPrivilege	2000	powershell.exe
Token: SeDebugPrivilege	3396	powershell.exe
Token: SeDebugPrivilege	4156	powershell.exe
Token: SeDebugPrivilege	3460	powershell.exe
Token: SeDebugPrivilege	4476	c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe
Token: SeDebugPrivilege	4052	XClient.exe
Token: SeDebugPrivilege	1980	XClient.exe
Token: SeDebugPrivilege	2748	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4476	c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 2000	4476	c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe	86
PID 4476 wrote to memory of 3396	4476	c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe	88
PID 4476 wrote to memory of 4156	4476	c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe	90
PID 4476 wrote to memory of 3460	4476	c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe	92
PID 4476 wrote to memory of 4540	4476	c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe	94

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\c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe
"C:\Users\Admin\AppData\Local\Temp\c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe"
1⤵
- Checks computer location settings
- Creates a file in the Startup directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4476
- 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\c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2000
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3396
- 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:4156
- 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:3460
- 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:4540

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4052

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1980

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2748

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

Replay Monitor

Loading Replay Monitor...

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

Submit Download

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

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 bd50b50b5e08067840cf1e6bb16f3ed0242649d826544899056db26876dec9fe
MD5 091f20bbaff3637ace005fce1590be7b
SHA1 00d1ef232fc560231ff81adc227a8f2918235a29
SHA512 ebc04d7de6bcbd6505c60432c6455bde985ac422cbda875ef5c1dd6ef44155ec0d43a882dd793e692d3723a257e3d12c48ac8c0dad7c21a99d446d4b3b257890
TLSH
T1FA112223F38C8921CC96163A509DAC5172B586CB81AEDF9F7FC0C210A1BF584CB61294
MD5 SHA1 SHA512 TLSH

Submit Download

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

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 0e1f0e684adb40a5d0668df5fed007c9046137d7ae16a1f2f343b139d5f9bc93
MD5 e58749a7a1826f6ea62df1e2ef63a32b
SHA1 c0bca21658b8be4f37b71eec9578bfefa44f862d
SHA512 4cf45b2b11ab31e7f67fff286b29d50ed28cd6043091144c5c0f1348b5f5916ed7479cf985595e6f096b586ab93b4b5dce612f688049b8366a2dd91863e98b70
TLSH
T1AC112223F38C8920CC96153A509DAC5172B586CB81AFDE9F7FC0C210A5BF584CB61294
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_05fatrfo.5eu.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_05fatrfo.5eu.ps1
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 196KB
SHA256 c28e01595c33f6347f51703c4231763b6e66a7398c9047c9990579bb9c1fa10c
MD5 8ed5cf2a20465c1cc5d2093d5e526583
SHA1 710a3f26d445a54ad98eae9228cca417c0cead4f
SHA512 af4283f824a252373dcfa28a8be547a8489137205a8437e7fe711b29d668e9bc5c61a93a62fcf756476e8149bdad90931a5a779df189ef9f4a8117d1cdb047db
SSDEEP 3072:QaYK/xvY3BO6mil9sbe2TMEtOFc6dEEetYmS4g+Ehfx:QaYKpv+B1jlSb9MEkIEeW4g+Ehf
TLSH
T1EC142C9E2E4506F7E36CF93480F3332D633EDE3A3E965E0EE8AE3E9566318485944511
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2000-3-0x000002AA4E560000-0x000002AA4E570000-memory.dmp

Download

memory/2000-4-0x000002AA4EE50000-0x000002AA4EE72000-memory.dmp

Download

memory/4476-0-0x0000000000470000-0x00000000004A6000-memory.dmp

Download

memory/4476-1-0x00000000027E0000-0x00000000027F0000-memory.dmp

Download

memory/4476-2-0x00000000027E0000-0x00000000027F0000-memory.dmp

Download