xworm | e53bd0b8797b8c0cc32875dba3469b938eb8d1c3812b2829378cdb7d40b62654

Analysis

max time kernel
101s
max time network
140s
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 07:48

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/240-1-0x00000000007C0000-0x00000000007D0000-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
3568	powershell.exe
2848	powershell.exe
4116	powershell.exe
5052	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-1-5-21-1576956541-1869783662-2981982442-1000\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-1-5-21-1576956541-1869783662-2981982442-1000\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
15	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
4224	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
1312	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3568	powershell.exe
3568	powershell.exe
2848	powershell.exe
2848	powershell.exe
4116	powershell.exe
4116	powershell.exe
5052	powershell.exe
5052	powershell.exe
240	XClient (1).exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	240	XClient (1).exe
Token: SeDebugPrivilege	3568	powershell.exe
Token: SeIncreaseQuotaPrivilege	3568	powershell.exe
Token: SeSecurityPrivilege	3568	powershell.exe
Token: SeTakeOwnershipPrivilege	3568	powershell.exe
Token: SeLoadDriverPrivilege	3568	powershell.exe
Token: SeSystemProfilePrivilege	3568	powershell.exe
Token: SeSystemtimePrivilege	3568	powershell.exe
Token: SeProfSingleProcessPrivilege	3568	powershell.exe
Token: SeIncBasePriorityPrivilege	3568	powershell.exe
Token: SeCreatePagefilePrivilege	3568	powershell.exe
Token: SeBackupPrivilege	3568	powershell.exe
Token: SeRestorePrivilege	3568	powershell.exe
Token: SeShutdownPrivilege	3568	powershell.exe
Token: SeDebugPrivilege	3568	powershell.exe
Token: SeSystemEnvironmentPrivilege	3568	powershell.exe
Token: SeRemoteShutdownPrivilege	3568	powershell.exe
Token: SeUndockPrivilege	3568	powershell.exe
Token: SeManageVolumePrivilege	3568	powershell.exe
Token: 33	3568	powershell.exe
Token: 34	3568	powershell.exe
Token: 35	3568	powershell.exe
Token: 36	3568	powershell.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeIncreaseQuotaPrivilege	2848	powershell.exe
Token: SeSecurityPrivilege	2848	powershell.exe
Token: SeTakeOwnershipPrivilege	2848	powershell.exe
Token: SeLoadDriverPrivilege	2848	powershell.exe
Token: SeSystemProfilePrivilege	2848	powershell.exe
Token: SeSystemtimePrivilege	2848	powershell.exe
Token: SeProfSingleProcessPrivilege	2848	powershell.exe
Token: SeIncBasePriorityPrivilege	2848	powershell.exe
Token: SeCreatePagefilePrivilege	2848	powershell.exe
Token: SeBackupPrivilege	2848	powershell.exe
Token: SeRestorePrivilege	2848	powershell.exe
Token: SeShutdownPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeSystemEnvironmentPrivilege	2848	powershell.exe
Token: SeRemoteShutdownPrivilege	2848	powershell.exe
Token: SeUndockPrivilege	2848	powershell.exe
Token: SeManageVolumePrivilege	2848	powershell.exe
Token: 33	2848	powershell.exe
Token: 34	2848	powershell.exe
Token: 35	2848	powershell.exe
Token: 36	2848	powershell.exe
Token: SeDebugPrivilege	4116	powershell.exe
Token: SeIncreaseQuotaPrivilege	4116	powershell.exe
Token: SeSecurityPrivilege	4116	powershell.exe
Token: SeTakeOwnershipPrivilege	4116	powershell.exe
Token: SeLoadDriverPrivilege	4116	powershell.exe
Token: SeSystemProfilePrivilege	4116	powershell.exe
Token: SeSystemtimePrivilege	4116	powershell.exe
Token: SeProfSingleProcessPrivilege	4116	powershell.exe
Token: SeIncBasePriorityPrivilege	4116	powershell.exe
Token: SeCreatePagefilePrivilege	4116	powershell.exe
Token: SeBackupPrivilege	4116	powershell.exe
Token: SeRestorePrivilege	4116	powershell.exe
Token: SeShutdownPrivilege	4116	powershell.exe
Token: SeDebugPrivilege	4116	powershell.exe
Token: SeSystemEnvironmentPrivilege	4116	powershell.exe
Token: SeRemoteShutdownPrivilege	4116	powershell.exe
Token: SeUndockPrivilege	4116	powershell.exe
Token: SeManageVolumePrivilege	4116	powershell.exe
Token: 33	4116	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
240	XClient (1).exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 240 wrote to memory of 3568	240	XClient (1).exe	86
PID 240 wrote to memory of 3568	240	XClient (1).exe	86
PID 240 wrote to memory of 2848	240	XClient (1).exe	89
PID 240 wrote to memory of 2848	240	XClient (1).exe	89
PID 240 wrote to memory of 4116	240	XClient (1).exe	91
PID 240 wrote to memory of 4116	240	XClient (1).exe	91
PID 240 wrote to memory of 5052	240	XClient (1).exe	93
PID 240 wrote to memory of 5052	240	XClient (1).exe	93
PID 240 wrote to memory of 1312	240	XClient (1).exe	96
PID 240 wrote to memory of 1312	240	XClient (1).exe	96
PID 240 wrote to memory of 768	240	XClient (1).exe	102
PID 240 wrote to memory of 768	240	XClient (1).exe	102
PID 240 wrote to memory of 1152	240	XClient (1).exe	104
PID 240 wrote to memory of 1152	240	XClient (1).exe	104
PID 1152 wrote to memory of 4224	1152	cmd.exe	106
PID 1152 wrote to memory of 4224	1152	cmd.exe	106

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:240
- 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:3568
- 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:2848
- 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:4116
- 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:5052
- 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:1312
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /delete /f /tn "Win32runtime"
  2⤵
  PID:768
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp16FE.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1152
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4224

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
29691aa56266b820d85d422bef115406

SHA1
a30f729d482b1fbdb9438383936c8843023f33ee

SHA256
c0104766ad7646b1ae944bcab87270b403ac7880be0462712653f1c9be87cca8

SHA512
ace1093fe6fd569deed6ac837c865c9d65ff145eae3633c8494927f14d7d755e4e0837770e22abe5d163b2b0b6f48ed2c900403548276da38854a9b40b731774

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

Filesize
1KB

MD5
5bf22764bbfce763f555a9d73c6d8901

SHA1
f308712780d7a0565d53239b41666fed018a7f64

SHA256
359f4116adf02b56a97acd0663da54e03f7fecec3c67a14d3db4c194e145c667

SHA512
75000279d14ac096520d58b6863a3cbe5dfca91237d75d15ff700c6a7dc912f21c7ddc67ef0ca571022b20c1f6607bea25e625007891349d9e6066f837571938

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_omrdtd12.fku.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp16FE.tmp.bat

Filesize
163B

MD5
4b61a989c9e4442819f468606ab16a58

SHA1
f26b176adf179eee2f824e147fdbeb81c65703e3

SHA256
4f28ccbd9d5ba1c1bef31de564cfa14da926cdd04055ae634bd2276044c7eff9

SHA512
63897d1989e82ae837b5b27e5027072a58470421dd0af230fa5125e4a7daea9b8c22afbce94c381e49572b6c313f21ee5d6b95fb579a19e027c6ecec210165d1

Download Submit
memory/240-72-0x00007FF992610000-0x00007FF9930D2000-memory.dmp

Filesize
10.8MB

Download
memory/240-70-0x000000001C120000-0x000000001C15B000-memory.dmp

Filesize
236KB

Download
memory/240-61-0x00007FF992610000-0x00007FF9930D2000-memory.dmp

Filesize
10.8MB

Download
memory/240-60-0x000000001C120000-0x000000001C15B000-memory.dmp

Filesize
236KB

Download
memory/240-59-0x00007FF992613000-0x00007FF992615000-memory.dmp

Filesize
8KB

Download
memory/240-0-0x00007FF992613000-0x00007FF992615000-memory.dmp

Filesize
8KB

Download
memory/240-2-0x00007FF992610000-0x00007FF9930D2000-memory.dmp

Filesize
10.8MB

Download
memory/240-1-0x00000000007C0000-0x00000000007D0000-memory.dmp

Filesize
64KB

Download
memory/3568-13-0x00007FF992610000-0x00007FF9930D2000-memory.dmp

Filesize
10.8MB

Download
memory/3568-20-0x00007FF992610000-0x00007FF9930D2000-memory.dmp

Filesize
10.8MB

Download
memory/3568-17-0x00007FF992610000-0x00007FF9930D2000-memory.dmp

Filesize
10.8MB

Download
memory/3568-16-0x00007FF992610000-0x00007FF9930D2000-memory.dmp

Filesize
10.8MB

Download
memory/3568-15-0x00007FF992610000-0x00007FF9930D2000-memory.dmp

Filesize
10.8MB

Download
memory/3568-14-0x00007FF992610000-0x00007FF9930D2000-memory.dmp

Filesize
10.8MB

Download
memory/3568-12-0x000001681EEE0000-0x000001681EF02000-memory.dmp

Filesize
136KB

Download