xworm | a973208f7dff8f3ef5777da04f73415801f2f2ded3ea44077ca9a695a7965d66

Analysis

max time kernel
58s
max time network
61s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250217-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
09/03/2025, 10:30

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General

Target

XClient.exe
Size

64KB
MD5

1ff6154dbcb71d60e924548345b984da
SHA1

075b5dbfbe99a2bc6e01db6c831a06878ff5cfbe
SHA256

a973208f7dff8f3ef5777da04f73415801f2f2ded3ea44077ca9a695a7965d66
SHA512

7bee117cdec90e0a1a7efa62679423d70b585e8d5de6f54a44241e4a44bca789d2c3eeebe85112bf88688e40abd3511308d0c2c6d3c42f69575e156d569ef2e3
SSDEEP

1536:LdUF8CEWGeTI9jApgc+bMuWGZnJ8p6uovO9bkMx:9WHI9Epgc+bMubJ8QvO9bHx

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

adrianmoritoru-34347.portmap.io:7000

192.168.150.131:7000

Attributes

Install_directory
%Userprofile%
install_file
injector.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/4492-1-0x00000000002A0000-0x00000000002B6000-memory.dmp	family_xworm
behavioral1/files/0x000b000000027ee7-60.dat	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
1228	powershell.exe
4508	powershell.exe
2456	powershell.exe
2732	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-1-5-21-3996797005-1442104920-3698332314-1000\Control Panel\International\Geo\Nation	XClient.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\injector.lnk	XClient.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\injector.lnk	XClient.exe

Executes dropped EXE 1 IoCs

pid	Process
2436	injector.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-1-5-21-3996797005-1442104920-3698332314-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\injector = "C:\\Users\\Admin\\injector.exe"	XClient.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
3392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1228	powershell.exe
1228	powershell.exe
4508	powershell.exe
4508	powershell.exe
2456	powershell.exe
2456	powershell.exe
2732	powershell.exe
2732	powershell.exe
4492	XClient.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4492	XClient.exe
Token: SeDebugPrivilege	1228	powershell.exe
Token: SeIncreaseQuotaPrivilege	1228	powershell.exe
Token: SeSecurityPrivilege	1228	powershell.exe
Token: SeTakeOwnershipPrivilege	1228	powershell.exe
Token: SeLoadDriverPrivilege	1228	powershell.exe
Token: SeSystemProfilePrivilege	1228	powershell.exe
Token: SeSystemtimePrivilege	1228	powershell.exe
Token: SeProfSingleProcessPrivilege	1228	powershell.exe
Token: SeIncBasePriorityPrivilege	1228	powershell.exe
Token: SeCreatePagefilePrivilege	1228	powershell.exe
Token: SeBackupPrivilege	1228	powershell.exe
Token: SeRestorePrivilege	1228	powershell.exe
Token: SeShutdownPrivilege	1228	powershell.exe
Token: SeDebugPrivilege	1228	powershell.exe
Token: SeSystemEnvironmentPrivilege	1228	powershell.exe
Token: SeRemoteShutdownPrivilege	1228	powershell.exe
Token: SeUndockPrivilege	1228	powershell.exe
Token: SeManageVolumePrivilege	1228	powershell.exe
Token: 33	1228	powershell.exe
Token: 34	1228	powershell.exe
Token: 35	1228	powershell.exe
Token: 36	1228	powershell.exe
Token: SeDebugPrivilege	4508	powershell.exe
Token: SeIncreaseQuotaPrivilege	4508	powershell.exe
Token: SeSecurityPrivilege	4508	powershell.exe
Token: SeTakeOwnershipPrivilege	4508	powershell.exe
Token: SeLoadDriverPrivilege	4508	powershell.exe
Token: SeSystemProfilePrivilege	4508	powershell.exe
Token: SeSystemtimePrivilege	4508	powershell.exe
Token: SeProfSingleProcessPrivilege	4508	powershell.exe
Token: SeIncBasePriorityPrivilege	4508	powershell.exe
Token: SeCreatePagefilePrivilege	4508	powershell.exe
Token: SeBackupPrivilege	4508	powershell.exe
Token: SeRestorePrivilege	4508	powershell.exe
Token: SeShutdownPrivilege	4508	powershell.exe
Token: SeDebugPrivilege	4508	powershell.exe
Token: SeSystemEnvironmentPrivilege	4508	powershell.exe
Token: SeRemoteShutdownPrivilege	4508	powershell.exe
Token: SeUndockPrivilege	4508	powershell.exe
Token: SeManageVolumePrivilege	4508	powershell.exe
Token: 33	4508	powershell.exe
Token: 34	4508	powershell.exe
Token: 35	4508	powershell.exe
Token: 36	4508	powershell.exe
Token: SeDebugPrivilege	2456	powershell.exe
Token: SeIncreaseQuotaPrivilege	2456	powershell.exe
Token: SeSecurityPrivilege	2456	powershell.exe
Token: SeTakeOwnershipPrivilege	2456	powershell.exe
Token: SeLoadDriverPrivilege	2456	powershell.exe
Token: SeSystemProfilePrivilege	2456	powershell.exe
Token: SeSystemtimePrivilege	2456	powershell.exe
Token: SeProfSingleProcessPrivilege	2456	powershell.exe
Token: SeIncBasePriorityPrivilege	2456	powershell.exe
Token: SeCreatePagefilePrivilege	2456	powershell.exe
Token: SeBackupPrivilege	2456	powershell.exe
Token: SeRestorePrivilege	2456	powershell.exe
Token: SeShutdownPrivilege	2456	powershell.exe
Token: SeDebugPrivilege	2456	powershell.exe
Token: SeSystemEnvironmentPrivilege	2456	powershell.exe
Token: SeRemoteShutdownPrivilege	2456	powershell.exe
Token: SeUndockPrivilege	2456	powershell.exe
Token: SeManageVolumePrivilege	2456	powershell.exe
Token: 33	2456	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4492	XClient.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 1228	4492	XClient.exe	84
PID 4492 wrote to memory of 1228	4492	XClient.exe	84
PID 4492 wrote to memory of 4508	4492	XClient.exe	87
PID 4492 wrote to memory of 4508	4492	XClient.exe	87
PID 4492 wrote to memory of 2456	4492	XClient.exe	91
PID 4492 wrote to memory of 2456	4492	XClient.exe	91
PID 4492 wrote to memory of 2732	4492	XClient.exe	93
PID 4492 wrote to memory of 2732	4492	XClient.exe	93
PID 4492 wrote to memory of 3392	4492	XClient.exe	97
PID 4492 wrote to memory of 3392	4492	XClient.exe	97

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.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.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:4492
- 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.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1228
- 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:4508
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\injector.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2456
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'injector.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:2732
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "injector" /tr "C:\Users\Admin\injector.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3392

C:\Users\Admin\injector.exe
"C:\Users\Admin\injector.exe"
1⤵
- Executes dropped EXE
PID:2436

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

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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
6a807b1c91ac66f33f88a787d64904c1

SHA1
83c554c7de04a8115c9005709e5cd01fca82c5d3

SHA256
155314c1c86d8d4e5b802f1eef603c5dd4a2f7c949f069a38af5ba4959bd8256

SHA512
29f2d9f30fc081e7fe6e9fb772c810c9be0422afdc6aff5a286f49a990ededebcf0d083798c2d9f41ad8434393c6d0f5fa6df31226d9c3511ba2a41eb4a65200

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

Filesize
1KB

MD5
d642fc7d81b5bbd83917ddfe2d825b68

SHA1
08e8e419f14f199dda7d8c3fce76dda78533c98d

SHA256
fe31f6f997ab553aeaf225f341bc190d1fa11827ffcafd8ce0f2d5d9ab303bad

SHA512
99e097a8a23e2970e576f427ba9056ab47bc9251ac4844c6dbce5d0d5cd642aae1580af667737c4736210e5de79c50920a3ebc07add300b79f2bc0f2fdf6559b

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

Filesize
1KB

MD5
ed049ba77179e15e3ad4dc7ebf00bd41

SHA1
0522d116e8a87a8492e010a1ce3eaf610e1f5690

SHA256
d3356fd3de994445fae69906769e0ac82e1c4426a8c184b4525eeafa9dd96f12

SHA512
fcb806b668c2689fc63dd58922101db54d95a64d1f6b18fd1db90e40b0d5136e61a90132b5e59d1a5c2ee816a0378bcf7f53fe6e1a5c3ec890b201e3200bfc8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rxgbqzwb.d2n.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\injector.exe

Filesize
64KB

MD5
1ff6154dbcb71d60e924548345b984da

SHA1
075b5dbfbe99a2bc6e01db6c831a06878ff5cfbe

SHA256
a973208f7dff8f3ef5777da04f73415801f2f2ded3ea44077ca9a695a7965d66

SHA512
7bee117cdec90e0a1a7efa62679423d70b585e8d5de6f54a44241e4a44bca789d2c3eeebe85112bf88688e40abd3511308d0c2c6d3c42f69575e156d569ef2e3

Download Submit
memory/1228-12-0x00007FFD13E40000-0x00007FFD14902000-memory.dmp

Filesize
10.8MB

Download
memory/1228-15-0x00007FFD13E40000-0x00007FFD14902000-memory.dmp

Filesize
10.8MB

Download
memory/1228-16-0x00007FFD13E40000-0x00007FFD14902000-memory.dmp

Filesize
10.8MB

Download
memory/1228-19-0x00007FFD13E40000-0x00007FFD14902000-memory.dmp

Filesize
10.8MB

Download
memory/1228-14-0x00007FFD13E40000-0x00007FFD14902000-memory.dmp

Filesize
10.8MB

Download
memory/1228-13-0x00007FFD13E40000-0x00007FFD14902000-memory.dmp

Filesize
10.8MB

Download
memory/1228-7-0x00000208D4060000-0x00000208D4082000-memory.dmp

Filesize
136KB

Download
memory/4492-0-0x00007FFD13E43000-0x00007FFD13E45000-memory.dmp

Filesize
8KB

Download
memory/4492-58-0x00007FFD13E40000-0x00007FFD14902000-memory.dmp

Filesize
10.8MB

Download
memory/4492-59-0x00007FFD13E40000-0x00007FFD14902000-memory.dmp

Filesize
10.8MB

Download
memory/4492-1-0x00000000002A0000-0x00000000002B6000-memory.dmp

Filesize
88KB

Download