xworm | e53bd0b8797b8c0cc32875dba3469b938eb8d1c3812b2829378cdb7d40b62654

Analysis

max time kernel
99s
max time network
139s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250113-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
25-01-2025 07:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

XClient (1).exe
Size

41KB
MD5

8ac12cc24b5ac76188fe9612dc51777e
SHA1

0c0dddf34dbf7b95e82c58fdb7cfabb80db90430
SHA256

e53bd0b8797b8c0cc32875dba3469b938eb8d1c3812b2829378cdb7d40b62654
SHA512

02c4abdc825b0d3b9a88a1d66232d6f42497b7d83c6bfc473df8efbc0350371653d3ce220409aa5968cf71396ec230dea52e3793085d1f06d2338e4360c8bc93
SSDEEP

768:LrJDweBDuOkScrbsN/x6WECAr43MkfJF5Pa9p+U6iOwhF3/ibK:pDwewicrbsN/YDRr4RF49IU6iOwv6G

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

57.128.132.221:7000

Mutex

A0pVR4huor1J3yZ3

Attributes

Install_directory
%AppData%
install_file
Win32runtime.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral4/memory/632-1-0x00000000009F0000-0x0000000000A00000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm 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
5060	powershell.exe
4188	powershell.exe
4816	powershell.exe
3296	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-1-5-21-2503671516-4119152987-701077851-1000\Control Panel\International\Geo\Nation	XClient (1).exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Win32runtime.lnk	XClient (1).exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Win32runtime.lnk	XClient (1).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-1-5-21-2503671516-4119152987-701077851-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win32runtime = "C:\\Users\\Admin\\AppData\\Roaming\\Win32runtime.exe"	XClient (1).exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
17	ip-api.com

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1032	timeout.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
5276	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4816	powershell.exe
4816	powershell.exe
3296	powershell.exe
3296	powershell.exe
5060	powershell.exe
5060	powershell.exe
4188	powershell.exe
4188	powershell.exe
632	XClient (1).exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	632	XClient (1).exe
Token: SeDebugPrivilege	4816	powershell.exe
Token: SeIncreaseQuotaPrivilege	4816	powershell.exe
Token: SeSecurityPrivilege	4816	powershell.exe
Token: SeTakeOwnershipPrivilege	4816	powershell.exe
Token: SeLoadDriverPrivilege	4816	powershell.exe
Token: SeSystemProfilePrivilege	4816	powershell.exe
Token: SeSystemtimePrivilege	4816	powershell.exe
Token: SeProfSingleProcessPrivilege	4816	powershell.exe
Token: SeIncBasePriorityPrivilege	4816	powershell.exe
Token: SeCreatePagefilePrivilege	4816	powershell.exe
Token: SeBackupPrivilege	4816	powershell.exe
Token: SeRestorePrivilege	4816	powershell.exe
Token: SeShutdownPrivilege	4816	powershell.exe
Token: SeDebugPrivilege	4816	powershell.exe
Token: SeSystemEnvironmentPrivilege	4816	powershell.exe
Token: SeRemoteShutdownPrivilege	4816	powershell.exe
Token: SeUndockPrivilege	4816	powershell.exe
Token: SeManageVolumePrivilege	4816	powershell.exe
Token: 33	4816	powershell.exe
Token: 34	4816	powershell.exe
Token: 35	4816	powershell.exe
Token: 36	4816	powershell.exe
Token: SeDebugPrivilege	3296	powershell.exe
Token: SeIncreaseQuotaPrivilege	3296	powershell.exe
Token: SeSecurityPrivilege	3296	powershell.exe
Token: SeTakeOwnershipPrivilege	3296	powershell.exe
Token: SeLoadDriverPrivilege	3296	powershell.exe
Token: SeSystemProfilePrivilege	3296	powershell.exe
Token: SeSystemtimePrivilege	3296	powershell.exe
Token: SeProfSingleProcessPrivilege	3296	powershell.exe
Token: SeIncBasePriorityPrivilege	3296	powershell.exe
Token: SeCreatePagefilePrivilege	3296	powershell.exe
Token: SeBackupPrivilege	3296	powershell.exe
Token: SeRestorePrivilege	3296	powershell.exe
Token: SeShutdownPrivilege	3296	powershell.exe
Token: SeDebugPrivilege	3296	powershell.exe
Token: SeSystemEnvironmentPrivilege	3296	powershell.exe
Token: SeRemoteShutdownPrivilege	3296	powershell.exe
Token: SeUndockPrivilege	3296	powershell.exe
Token: SeManageVolumePrivilege	3296	powershell.exe
Token: 33	3296	powershell.exe
Token: 34	3296	powershell.exe
Token: 35	3296	powershell.exe
Token: 36	3296	powershell.exe
Token: SeDebugPrivilege	5060	powershell.exe
Token: SeIncreaseQuotaPrivilege	5060	powershell.exe
Token: SeSecurityPrivilege	5060	powershell.exe
Token: SeTakeOwnershipPrivilege	5060	powershell.exe
Token: SeLoadDriverPrivilege	5060	powershell.exe
Token: SeSystemProfilePrivilege	5060	powershell.exe
Token: SeSystemtimePrivilege	5060	powershell.exe
Token: SeProfSingleProcessPrivilege	5060	powershell.exe
Token: SeIncBasePriorityPrivilege	5060	powershell.exe
Token: SeCreatePagefilePrivilege	5060	powershell.exe
Token: SeBackupPrivilege	5060	powershell.exe
Token: SeRestorePrivilege	5060	powershell.exe
Token: SeShutdownPrivilege	5060	powershell.exe
Token: SeDebugPrivilege	5060	powershell.exe
Token: SeSystemEnvironmentPrivilege	5060	powershell.exe
Token: SeRemoteShutdownPrivilege	5060	powershell.exe
Token: SeUndockPrivilege	5060	powershell.exe
Token: SeManageVolumePrivilege	5060	powershell.exe
Token: 33	5060	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
632	XClient (1).exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 4816	632	XClient (1).exe	87
PID 632 wrote to memory of 4816	632	XClient (1).exe	87
PID 632 wrote to memory of 3296	632	XClient (1).exe	90
PID 632 wrote to memory of 3296	632	XClient (1).exe	90
PID 632 wrote to memory of 5060	632	XClient (1).exe	92
PID 632 wrote to memory of 5060	632	XClient (1).exe	92
PID 632 wrote to memory of 4188	632	XClient (1).exe	94
PID 632 wrote to memory of 4188	632	XClient (1).exe	94
PID 632 wrote to memory of 5276	632	XClient (1).exe	97
PID 632 wrote to memory of 5276	632	XClient (1).exe	97
PID 632 wrote to memory of 3688	632	XClient (1).exe	103
PID 632 wrote to memory of 3688	632	XClient (1).exe	103
PID 632 wrote to memory of 5064	632	XClient (1).exe	105
PID 632 wrote to memory of 5064	632	XClient (1).exe	105
PID 5064 wrote to memory of 1032	5064	cmd.exe	107
PID 5064 wrote to memory of 1032	5064	cmd.exe	107

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\XClient (1).exe
"C:\Users\Admin\AppData\Local\Temp\XClient (1).exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:632
- 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\XClient (1).exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4816
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient (1).exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3296
- 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\Win32runtime.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5060
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Win32runtime.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4188
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Win32runtime" /tr "C:\Users\Admin\AppData\Roaming\Win32runtime.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5276
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /delete /f /tn "Win32runtime"
  2⤵
  PID:3688
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp12B8.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5064
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1032

Network

MITRE ATT&CK Enterprise v15

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
3eb3833f769dd890afc295b977eab4b4

SHA1
e857649b037939602c72ad003e5d3698695f436f

SHA256
c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

SHA512
c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
f0f59cccd39a3694e0e6dfd44d0fa76d

SHA1
fccd7911d463041e1168431df8823e4c4ea387c1

SHA256
70466c7f3a911368d653396fdd68f993322c69e1797b492ca00f8be34b7f3401

SHA512
5c726e1e28cb9c0c3ab963fbfbf471c6033839f3e535a3811581fdaa4da17175e5a8a8be84a4fccd99b81e048058e51d230ff3836e3ec920057a1b1676110bee

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
0a2581ce25d27c89853a8c5e60aeac6f

SHA1
d3f5bfaa9b6c89915dbc46be9aa6e49a7eeb2ce7

SHA256
5609b0664d3e47ce6611cbca5b25caa6b2321fdbddbfd7efe5a38da6dacb27fc

SHA512
198a3644eb4ee261f558b9e248eb6f1fe59704aa31524983e866e39bb3c534cf776bc276ce786c0b855da23ea827e816453755bc01e3d8ae3e3cf965914e70c8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
fd1affecdeec722b8af1e33e3ebd9adf

SHA1
086dd9286c59cd136edd77b9967fa475e152f244

SHA256
1f438eccd739ecf991be73aafe9539dd1a4eeb0630d028ceadf044db9cc60305

SHA512
d93fa5e589f74be36358fb4a3e9acf849686dfd519921f66710a301657328dfab150654397ed0a9d6765888405e95e5e6c256bf6cde8ce29193b504cc605a33b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3tli0wuw.ytl.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp12B8.tmp.bat

Filesize
163B

MD5
63c31e23590371c0110565c9fcd47352

SHA1
d116ea8fc328aa4c4e7eae7d63778151a2804046

SHA256
068c39f658e913564532f7158c7c95b5426c95cef355deb47d1001ea2d928937

SHA512
9c4e4c6022fa33ee335ad5bef7b887e6b7f1c4c45f70758ad70491ace89365ee8e8db368c4ac60f864d5f6a4561c763b5a45b0f7dfd0f2ea5a0b3be061deff3e

Download Submit
memory/632-1-0x00000000009F0000-0x0000000000A00000-memory.dmp

Filesize
64KB

Download
memory/632-0-0x00007FFB41683000-0x00007FFB41685000-memory.dmp

Filesize
8KB

Download
memory/632-2-0x00007FFB41680000-0x00007FFB42142000-memory.dmp

Filesize
10.8MB

Download
memory/632-59-0x00007FFB41680000-0x00007FFB42142000-memory.dmp

Filesize
10.8MB

Download
memory/632-67-0x00007FFB41680000-0x00007FFB42142000-memory.dmp

Filesize
10.8MB

Download
memory/4816-15-0x00007FFB41680000-0x00007FFB42142000-memory.dmp

Filesize
10.8MB

Download
memory/4816-16-0x00007FFB41680000-0x00007FFB42142000-memory.dmp

Filesize
10.8MB

Download
memory/4816-19-0x00007FFB41680000-0x00007FFB42142000-memory.dmp

Filesize
10.8MB

Download
memory/4816-20-0x00007FFB41680000-0x00007FFB42142000-memory.dmp

Filesize
10.8MB

Download
memory/4816-3-0x00007FFB41680000-0x00007FFB42142000-memory.dmp

Filesize
10.8MB

Download
memory/4816-14-0x00007FFB41680000-0x00007FFB42142000-memory.dmp

Filesize
10.8MB

Download
memory/4816-13-0x0000018524630000-0x0000018524652000-memory.dmp

Filesize
136KB

Download