xworm | 4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a

Analysis

max time kernel
149s
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
07/09/2026, 17:22

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General

Target
4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.exe
Size 49KB
Sample260907-vxlbaaab63
SHA256 4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a
MD5 bbf0f7f8e702ada032e595b79222c09d
SHA1 eec95c469c137677975e83c28f600256dc911b32
SHA512 4ec0b0da11d1a894fb7577cd78a8c78a829ba0d9c58163499ba7a268f9a0536b961ae73835c8fa8279d5157caf622928fbed4904c64d974482dd2ae0ab4dd18f
SSDEEP 1536:uJtvWQ9ynZFZXL9TOia82kb6N0K2zvr6IBByWOmyx9:8eQknZFlo3kb6K5yWOmyf
TLSH
T1B6335B48B7F54135E1FF5FB658F12162CA39F6239D139B6F28C8418B1B23A89CD01AE5
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution xworm persistence privilege_escalation rat trojan

Malware Config

Extracted

Family

xworm

Version

XWorm V5.6

91.245.159.11:55916

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/3608-0-0x0000000000300000-0x0000000000312000-memory.dmp	family_xworm
behavioral1/files/0x000600000001e751-46.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
3440	powershell.exe
2368	powershell.exe
4976	powershell.exe
3244	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-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation	4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.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	4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.exe

Executes dropped EXE 3 IoCs

pid	Process
4856	XClient.exe
4288	XClient.exe
3284	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-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.exe

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
208	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3440	powershell.exe
3440	powershell.exe
2368	powershell.exe
2368	powershell.exe
4976	powershell.exe
4976	powershell.exe
3244	powershell.exe
3244	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3608	4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.exe
Token: SeDebugPrivilege	3440	powershell.exe
Token: SeDebugPrivilege	2368	powershell.exe
Token: SeDebugPrivilege	4976	powershell.exe
Token: SeDebugPrivilege	3244	powershell.exe
Token: SeDebugPrivilege	4856	XClient.exe
Token: SeDebugPrivilege	4288	XClient.exe
Token: SeDebugPrivilege	3284	XClient.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3608 wrote to memory of 3440	3608	4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.exe	86
PID 3608 wrote to memory of 2368	3608	4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.exe	88
PID 3608 wrote to memory of 4976	3608	4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.exe	90
PID 3608 wrote to memory of 3244	3608	4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.exe	92
PID 3608 wrote to memory of 208	3608	4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.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\4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.exe
"C:\Users\Admin\AppData\Local\Temp\4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.exe"
1⤵
- Checks computer location settings
- Creates a file in the Startup directory
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3608
- 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\4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3440
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2368
- 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:4976
- 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:3244
- 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:208

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4856

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

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3284

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

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 456f3929968ddb3f60fea2b7233d578fdb033847fd819a5011928b1b7c3d5ec5
MD5 e8416aab51c59b564cb21caeb99e811e
SHA1 f0ece22e28654477e3d0e2f241c89cc67d57a9fe
SHA512 1a57c2a7bc524af31cf237027a47f1f26b5d9b2788b01852a466d1b3737f3843d19e169f17915f994ff3d287718b103d5973b7f886d01d008cd60cb9bb0dc973
TLSH
T160112223F78C8920CC96563A509DAC5172B586CB81AEDF9F7FC0C210A1BF584CB61294
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 0c557845aab1da497bbff0e8fbe65cabf4cb2804b97ba8ae8c695a528af70870
MD5 83685d101174171875b4a603a6c2a35c
SHA1 37be24f7c4525e17fa18dbd004186be3a9209017
SHA512 005a97a8e07b1840abdcef86a7881fd9bdc8acbfdf3eafe1dceb6374060626d81d789e57d87ca4096a39e28d5cca00f8945edff0a747591691ae75873d2b3fb5
TLSH
T162112223F38C8920CC961539509DAC5172B586CB81AFDE9F7FC0D210A1BF584CB61194
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 d02e76fb112f578e455d6eb4fef7904cc1b318f4c554441eac5b68a62ae58bc4
MD5 f32267ac1ddb28dbda52672355628ad4
SHA1 17a84af001f273234d147572f9301c69e3078465
SHA512 a4a05c51b08f252c809daf6dab355fa5e1cecb4236e36eea2837dad78c6705c6b55ba11d433fc197dcb3f3813bcde6b1a4c5d17be414b6462a70564d448a0f81
TLSH
T12A112223F38C8920CC961539509DAC5172B586CB81AFDE9F7FC0C210A1BF584CB61194
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_obuafys2.mku.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_obuafys2.mku.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 49KB
SHA256 4e9eb0fee674f5b27887aec706b44e4c191098928eaccc6bc4ab72f0d79b436a
MD5 bbf0f7f8e702ada032e595b79222c09d
SHA1 eec95c469c137677975e83c28f600256dc911b32
SHA512 4ec0b0da11d1a894fb7577cd78a8c78a829ba0d9c58163499ba7a268f9a0536b961ae73835c8fa8279d5157caf622928fbed4904c64d974482dd2ae0ab4dd18f
SSDEEP 1536:uJtvWQ9ynZFZXL9TOia82kb6N0K2zvr6IBByWOmyx9:8eQknZFlo3kb6K5yWOmyf
TLSH
T1B6335B48B7F54135E1FF5FB658F12162CA39F6239D139B6F28C8418B1B23A89CD01AE5
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3440-2-0x000001A0B2020000-0x000001A0B2030000-memory.dmp

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memory/3440-1-0x000001A0B2020000-0x000001A0B2030000-memory.dmp

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memory/3440-8-0x000001A099B70000-0x000001A099B92000-memory.dmp

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memory/3608-0-0x0000000000300000-0x0000000000312000-memory.dmp

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memory/3608-45-0x000000001AE90000-0x000000001AEA0000-memory.dmp

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