xworm | e53bd0b8797b8c0cc32875dba3469b938eb8d1c3812b2829378cdb7d40b62654

Analysis

max time kernel
99s
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 07:47

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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
behavioral1/memory/2008-1-0x0000000000830000-0x0000000000840000-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
4860	powershell.exe
5292	powershell.exe
6120	powershell.exe
2116	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-1-5-21-2826969134-2088669430-2680400721-1000\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-1-5-21-2826969134-2088669430-2680400721-1000\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
18	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
956	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
1584	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
6120	powershell.exe
6120	powershell.exe
2116	powershell.exe
2116	powershell.exe
4860	powershell.exe
4860	powershell.exe
5292	powershell.exe
5292	powershell.exe
2008	XClient (1).exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2008	XClient (1).exe
Token: SeDebugPrivilege	6120	powershell.exe
Token: SeIncreaseQuotaPrivilege	6120	powershell.exe
Token: SeSecurityPrivilege	6120	powershell.exe
Token: SeTakeOwnershipPrivilege	6120	powershell.exe
Token: SeLoadDriverPrivilege	6120	powershell.exe
Token: SeSystemProfilePrivilege	6120	powershell.exe
Token: SeSystemtimePrivilege	6120	powershell.exe
Token: SeProfSingleProcessPrivilege	6120	powershell.exe
Token: SeIncBasePriorityPrivilege	6120	powershell.exe
Token: SeCreatePagefilePrivilege	6120	powershell.exe
Token: SeBackupPrivilege	6120	powershell.exe
Token: SeRestorePrivilege	6120	powershell.exe
Token: SeShutdownPrivilege	6120	powershell.exe
Token: SeDebugPrivilege	6120	powershell.exe
Token: SeSystemEnvironmentPrivilege	6120	powershell.exe
Token: SeRemoteShutdownPrivilege	6120	powershell.exe
Token: SeUndockPrivilege	6120	powershell.exe
Token: SeManageVolumePrivilege	6120	powershell.exe
Token: 33	6120	powershell.exe
Token: 34	6120	powershell.exe
Token: 35	6120	powershell.exe
Token: 36	6120	powershell.exe
Token: SeDebugPrivilege	2116	powershell.exe
Token: SeIncreaseQuotaPrivilege	2116	powershell.exe
Token: SeSecurityPrivilege	2116	powershell.exe
Token: SeTakeOwnershipPrivilege	2116	powershell.exe
Token: SeLoadDriverPrivilege	2116	powershell.exe
Token: SeSystemProfilePrivilege	2116	powershell.exe
Token: SeSystemtimePrivilege	2116	powershell.exe
Token: SeProfSingleProcessPrivilege	2116	powershell.exe
Token: SeIncBasePriorityPrivilege	2116	powershell.exe
Token: SeCreatePagefilePrivilege	2116	powershell.exe
Token: SeBackupPrivilege	2116	powershell.exe
Token: SeRestorePrivilege	2116	powershell.exe
Token: SeShutdownPrivilege	2116	powershell.exe
Token: SeDebugPrivilege	2116	powershell.exe
Token: SeSystemEnvironmentPrivilege	2116	powershell.exe
Token: SeRemoteShutdownPrivilege	2116	powershell.exe
Token: SeUndockPrivilege	2116	powershell.exe
Token: SeManageVolumePrivilege	2116	powershell.exe
Token: 33	2116	powershell.exe
Token: 34	2116	powershell.exe
Token: 35	2116	powershell.exe
Token: 36	2116	powershell.exe
Token: SeDebugPrivilege	4860	powershell.exe
Token: SeIncreaseQuotaPrivilege	4860	powershell.exe
Token: SeSecurityPrivilege	4860	powershell.exe
Token: SeTakeOwnershipPrivilege	4860	powershell.exe
Token: SeLoadDriverPrivilege	4860	powershell.exe
Token: SeSystemProfilePrivilege	4860	powershell.exe
Token: SeSystemtimePrivilege	4860	powershell.exe
Token: SeProfSingleProcessPrivilege	4860	powershell.exe
Token: SeIncBasePriorityPrivilege	4860	powershell.exe
Token: SeCreatePagefilePrivilege	4860	powershell.exe
Token: SeBackupPrivilege	4860	powershell.exe
Token: SeRestorePrivilege	4860	powershell.exe
Token: SeShutdownPrivilege	4860	powershell.exe
Token: SeDebugPrivilege	4860	powershell.exe
Token: SeSystemEnvironmentPrivilege	4860	powershell.exe
Token: SeRemoteShutdownPrivilege	4860	powershell.exe
Token: SeUndockPrivilege	4860	powershell.exe
Token: SeManageVolumePrivilege	4860	powershell.exe
Token: 33	4860	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2008	XClient (1).exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 6120	2008	XClient (1).exe	89
PID 2008 wrote to memory of 6120	2008	XClient (1).exe	89
PID 2008 wrote to memory of 2116	2008	XClient (1).exe	92
PID 2008 wrote to memory of 2116	2008	XClient (1).exe	92
PID 2008 wrote to memory of 4860	2008	XClient (1).exe	94
PID 2008 wrote to memory of 4860	2008	XClient (1).exe	94
PID 2008 wrote to memory of 5292	2008	XClient (1).exe	96
PID 2008 wrote to memory of 5292	2008	XClient (1).exe	96
PID 2008 wrote to memory of 1584	2008	XClient (1).exe	99
PID 2008 wrote to memory of 1584	2008	XClient (1).exe	99
PID 2008 wrote to memory of 2708	2008	XClient (1).exe	105
PID 2008 wrote to memory of 2708	2008	XClient (1).exe	105
PID 2008 wrote to memory of 5440	2008	XClient (1).exe	107
PID 2008 wrote to memory of 5440	2008	XClient (1).exe	107
PID 5440 wrote to memory of 956	5440	cmd.exe	109
PID 5440 wrote to memory of 956	5440	cmd.exe	109

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:2008
- 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:6120
- 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:2116
- 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:4860
- 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:5292
- 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:1584
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /delete /f /tn "Win32runtime"
  2⤵
  PID:2708
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp125A.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5440
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:956

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
60b3262c3163ee3d466199160b9ed07d

SHA1
994ece4ea4e61de0be2fdd580f87e3415f9e1ff6

SHA256
e3b30f16d41f94cba2b8a75f35c91ae7418465abfbfe5477ec0551d1952b2fdb

SHA512
081d2015cb94477eb0fbc38f44b6d9b4a3204fb3ad0b7d0e146a88ab4ab9a0d475207f1adae03f4a81ccc5beb7568dc8be1249f69e32fe56efd9ee2f6ee3b1af

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

Filesize
1KB

MD5
e4ef20e0c89f3d131ac4fd133668060e

SHA1
fe835c7aa8d635c37a0d51620e757d9075fd99a2

SHA256
9c950e01162ade682d90d1822d8cd65d7e7f495a111c83ac269183f2a40ff41c

SHA512
6f22181b2b8b9d88f3f16d42f8187bc46b378139b4cc294a850d55ad5a17169dcfe56a6065b80ba4cf718fffd92422efa41a94f4ce8374b4fb72e15d18d748c7

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

Filesize
1KB

MD5
73fcdfef85580ce2ff184c4075fade28

SHA1
0881fe3066ccb452df0c7fdd1b14166f284d7334

SHA256
3a0faf79cdfa77a301682fafb853fb6435a94fda4808fac99da34822b551f7d5

SHA512
14b6ab328ff5c7eb0f85689cb49b90cd04f1d3668230748712eb6e7635da17c219eace8e7caddc6a59c0ef5fb602eadd4e8dc2b305e6cf767d305237cd616d74

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tuuz1uik.va4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp125A.tmp.bat

Filesize
163B

MD5
e84463b4c7b97236bfbf416246f2c26e

SHA1
ef921c9c6a73facc6f00a06d39ce85b879fe93ee

SHA256
bdd081be5f85ed17b0f7ac16cd77020009b2ff82f0e61960d977ddc563772775

SHA512
d910df414df0bf3cc6e6f254a77ce3f4607e3db1639087652d5d48db04bfbc8ec823f8126e840c8c4e7da12497c02297d7b400324da400273a2b15e683f8ffaf

Download Submit
memory/2008-1-0x0000000000830000-0x0000000000840000-memory.dmp

Filesize
64KB

Download
memory/2008-2-0x00007FFD8BCB0000-0x00007FFD8C772000-memory.dmp

Filesize
10.8MB

Download
memory/2008-0-0x00007FFD8BCB3000-0x00007FFD8BCB5000-memory.dmp

Filesize
8KB

Download
memory/2008-67-0x00007FFD8BCB0000-0x00007FFD8C772000-memory.dmp

Filesize
10.8MB

Download
memory/2008-60-0x00007FFD8BCB0000-0x00007FFD8C772000-memory.dmp

Filesize
10.8MB

Download
memory/2008-59-0x00007FFD8BCB3000-0x00007FFD8BCB5000-memory.dmp

Filesize
8KB

Download
memory/6120-9-0x00000299BAEC0000-0x00000299BAEE2000-memory.dmp

Filesize
136KB

Download
memory/6120-20-0x00007FFD8BCB0000-0x00007FFD8C772000-memory.dmp

Filesize
10.8MB

Download
memory/6120-17-0x00007FFD8BCB0000-0x00007FFD8C772000-memory.dmp

Filesize
10.8MB

Download
memory/6120-16-0x00007FFD8BCB0000-0x00007FFD8C772000-memory.dmp

Filesize
10.8MB

Download
memory/6120-15-0x00007FFD8BCB0000-0x00007FFD8C772000-memory.dmp

Filesize
10.8MB

Download
memory/6120-14-0x00007FFD8BCB0000-0x00007FFD8C772000-memory.dmp

Filesize
10.8MB

Download
memory/6120-3-0x00007FFD8BCB0000-0x00007FFD8C772000-memory.dmp

Filesize
10.8MB

Download