xworm | 5c9484c214c6f96f2a0a64afa4985f0d5534607ccaec60020cdf013c77531a78

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
27/02/2025, 23:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

WEN.exe
Size

954KB
MD5

64100e4131cedaf6a889f560bc1e1c9b
SHA1

55f98aa796e01cea2cfd714770d974b9316bd848
SHA256

d4746c577ffb7985fc33252c77365679a6a39b68e4c0f3c60fd27d34a7539ebe
SHA512

ebcd5712c614a57dbb29539c8271b8adb23ab4615aa5b239b8eb59ef8fab458cd20154befcdb7fbdea19e7650ed14a14c8822662ffb70f4dba3e2a4e2d4177ad
SSDEEP

24576:+u6J33O0c+JY5UZ+XC0kGso6FaOYF0DuyKWY:Qu0c++OCvkGs9FaOnqmY

Score

10^/10

xworm discovery execution persistence rat trojan

Malware Config

Extracted

Family

xworm

176.96.137.181:2222

Attributes

Install_directory
%AppData%
install_file
XClient2.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3620-17-0x00000000003D0000-0x00000000003EA000-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
5056	powershell.exe
4184	powershell.exe
3988	powershell.exe
4232	powershell.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sulfhydrate.vbs	sulfhydrate.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient2.lnk	RegSvcs.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient2.lnk	RegSvcs.exe

Executes dropped EXE 3 IoCs

pid	Process
5048	sulfhydrate.exe
4952	XClient2.exe
4460	XClient2.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-1-5-21-1170604239-850860757-3112005715-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient2 = "C:\\Users\\Admin\\AppData\\Roaming\\XClient2.exe"	RegSvcs.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0009000000023d6d-8.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5048 set thread context of 3620	5048	sulfhydrate.exe	88

System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	XClient2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	XClient2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WEN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sulfhydrate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
1796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4232	powershell.exe
4232	powershell.exe
5056	powershell.exe
5056	powershell.exe
4184	powershell.exe
4184	powershell.exe
3988	powershell.exe
3988	powershell.exe
3620	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
5048	sulfhydrate.exe
5048	sulfhydrate.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3620	RegSvcs.exe
Token: SeDebugPrivilege	4232	powershell.exe
Token: SeDebugPrivilege	5056	powershell.exe
Token: SeDebugPrivilege	4184	powershell.exe
Token: SeDebugPrivilege	3988	powershell.exe
Token: SeDebugPrivilege	3620	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1192	WEN.exe
1192	WEN.exe
5048	sulfhydrate.exe
5048	sulfhydrate.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1192	WEN.exe
1192	WEN.exe
5048	sulfhydrate.exe
5048	sulfhydrate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3620	RegSvcs.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 5048	1192	WEN.exe	87
PID 1192 wrote to memory of 5048	1192	WEN.exe	87
PID 1192 wrote to memory of 5048	1192	WEN.exe	87
PID 5048 wrote to memory of 3620	5048	sulfhydrate.exe	88
PID 5048 wrote to memory of 3620	5048	sulfhydrate.exe	88
PID 5048 wrote to memory of 3620	5048	sulfhydrate.exe	88
PID 5048 wrote to memory of 3620	5048	sulfhydrate.exe	88
PID 3620 wrote to memory of 4232	3620	RegSvcs.exe	93
PID 3620 wrote to memory of 4232	3620	RegSvcs.exe	93
PID 3620 wrote to memory of 4232	3620	RegSvcs.exe	93
PID 3620 wrote to memory of 5056	3620	RegSvcs.exe	96
PID 3620 wrote to memory of 5056	3620	RegSvcs.exe	96
PID 3620 wrote to memory of 5056	3620	RegSvcs.exe	96
PID 3620 wrote to memory of 4184	3620	RegSvcs.exe	99
PID 3620 wrote to memory of 4184	3620	RegSvcs.exe	99
PID 3620 wrote to memory of 4184	3620	RegSvcs.exe	99
PID 3620 wrote to memory of 3988	3620	RegSvcs.exe	102
PID 3620 wrote to memory of 3988	3620	RegSvcs.exe	102
PID 3620 wrote to memory of 3988	3620	RegSvcs.exe	102
PID 3620 wrote to memory of 1796	3620	RegSvcs.exe	104
PID 3620 wrote to memory of 1796	3620	RegSvcs.exe	104
PID 3620 wrote to memory of 1796	3620	RegSvcs.exe	104

C:\Users\Admin\AppData\Local\Temp\WEN.exe
"C:\Users\Admin\AppData\Local\Temp\WEN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\surmit\sulfhydrate.exe
  "C:\Users\Admin\AppData\Local\Temp\WEN.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:5048
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\WEN.exe"
    3⤵
    - Drops startup file
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3620
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4232
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'RegSvcs.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5056
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient2.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4184
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient2.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3988
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient2" /tr "C:\Users\Admin\AppData\Roaming\XClient2.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1796

C:\Users\Admin\AppData\Roaming\XClient2.exe
C:\Users\Admin\AppData\Roaming\XClient2.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4952

C:\Users\Admin\AppData\Roaming\XClient2.exe
C:\Users\Admin\AppData\Roaming\XClient2.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4460

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\XClient2.exe.log

Filesize
142B

MD5
8c0458bb9ea02d50565175e38d577e35

SHA1
f0b50702cd6470f3c17d637908f83212fdbdb2f2

SHA256
c578e86db701b9afa3626e804cf434f9d32272ff59fb32fa9a51835e5a148b53

SHA512
804a47494d9a462ffa6f39759480700ecbe5a7f3a15ec3a6330176ed9c04695d2684bf6bf85ab86286d52e7b727436d0bb2e8da96e20d47740b5ce3f856b5d0f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
18KB

MD5
72047861a7e1b401b9292d9f82c76872

SHA1
3b86b8b24c6ea06e31d8191e9793d21e8e1edbce

SHA256
9da87165552c895cd3cd74b0071907f50c55094f7019720585082cff3609270e

SHA512
fd1d6f59c68cdac3c4da9d7faa90923032bc3d24672adb37e27c2f80d6a18b8e39b30a7b3b61c740d2e15dc1745e181dffb83f759332936afd76d20c7aa97c05

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

Filesize
18KB

MD5
e88057240b40ad3deab8dbed408091b2

SHA1
d9cbb2c60ccc1e2a5fa4ca4ed8c6c7d11fb646f2

SHA256
81b5257812cbd7c19b77b4509dc4f56f7deed8351728ff6840b629b9f2e84d72

SHA512
ac58c710b336fbdbcde832254fd48f7d23d36c3e9e493e962e16ad8be3cd6f14773b871cd5d2c14a4eafd1984a9f974a22446a9e1926163f75f8baac07a851eb

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

Filesize
18KB

MD5
fac059df3f7c5c55a4357cb5c2739fb5

SHA1
1730ac45abe14f887270be06e961ff6973c753ba

SHA256
17c6cedac35c01e7fa7ba65fbc9439b2e4dd1032e9bea2336bb3fd37604c44c2

SHA512
021a7aaf5bae9bca786426afa63fd45694bd8fbe14a32708daa6ff2f40b0b5b26f90b420585fba2e6e903fd6f45ca9c44761179ef242700348089fd9d47ddd07

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5fjnyxqr.uaz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\surmit\sulfhydrate.exe

Filesize
954KB

MD5
64100e4131cedaf6a889f560bc1e1c9b

SHA1
55f98aa796e01cea2cfd714770d974b9316bd848

SHA256
d4746c577ffb7985fc33252c77365679a6a39b68e4c0f3c60fd27d34a7539ebe

SHA512
ebcd5712c614a57dbb29539c8271b8adb23ab4615aa5b239b8eb59ef8fab458cd20154befcdb7fbdea19e7650ed14a14c8822662ffb70f4dba3e2a4e2d4177ad

Download Submit
C:\Users\Admin\AppData\Roaming\XClient2.exe

Filesize
44KB

MD5
9d352bc46709f0cb5ec974633a0c3c94

SHA1
1969771b2f022f9a86d77ac4d4d239becdf08d07

SHA256
2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

SHA512
13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

Download Submit
memory/1192-5-0x0000000001040000-0x0000000001044000-memory.dmp

Filesize
16KB

Download
memory/3620-133-0x0000000005B20000-0x0000000005BB2000-memory.dmp

Filesize
584KB

Download
memory/3620-134-0x0000000005AF0000-0x0000000005AFA000-memory.dmp

Filesize
40KB

Download
memory/3620-19-0x0000000004BA0000-0x0000000004C3C000-memory.dmp

Filesize
624KB

Download
memory/3620-132-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/3620-131-0x0000000005DA0000-0x0000000006344000-memory.dmp

Filesize
5.6MB

Download
memory/3620-135-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/3620-17-0x00000000003D0000-0x00000000003EA000-memory.dmp

Filesize
104KB

Download
memory/3620-84-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

Filesize
4KB

Download
memory/3620-18-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

Filesize
4KB

Download
memory/3988-116-0x0000000070450000-0x000000007049C000-memory.dmp

Filesize
304KB

Download
memory/4184-95-0x0000000070450000-0x000000007049C000-memory.dmp

Filesize
304KB

Download
memory/4232-38-0x0000000070450000-0x000000007049C000-memory.dmp

Filesize
304KB

Download
memory/4232-48-0x00000000064E0000-0x00000000064FE000-memory.dmp

Filesize
120KB

Download
memory/4232-54-0x0000000007440000-0x0000000007451000-memory.dmp

Filesize
68KB

Download
memory/4232-55-0x0000000007470000-0x000000000747E000-memory.dmp

Filesize
56KB

Download
memory/4232-56-0x0000000007480000-0x0000000007494000-memory.dmp

Filesize
80KB

Download
memory/4232-57-0x0000000007580000-0x000000000759A000-memory.dmp

Filesize
104KB

Download
memory/4232-58-0x0000000007560000-0x0000000007568000-memory.dmp

Filesize
32KB

Download
memory/4232-52-0x00000000072B0000-0x00000000072BA000-memory.dmp

Filesize
40KB

Download
memory/4232-21-0x0000000005190000-0x00000000057B8000-memory.dmp

Filesize
6.2MB

Download
memory/4232-51-0x0000000007240000-0x000000000725A000-memory.dmp

Filesize
104KB

Download
memory/4232-22-0x0000000005070000-0x0000000005092000-memory.dmp

Filesize
136KB

Download
memory/4232-50-0x0000000007880000-0x0000000007EFA000-memory.dmp

Filesize
6.5MB

Download
memory/4232-49-0x0000000007120000-0x00000000071C3000-memory.dmp

Filesize
652KB

Download
memory/4232-53-0x00000000074C0000-0x0000000007556000-memory.dmp

Filesize
600KB

Download
memory/4232-20-0x0000000000D60000-0x0000000000D96000-memory.dmp

Filesize
216KB

Download
memory/4232-37-0x00000000070E0000-0x0000000007112000-memory.dmp

Filesize
200KB

Download
memory/4232-36-0x0000000005F50000-0x0000000005F9C000-memory.dmp

Filesize
304KB

Download
memory/4232-35-0x0000000005F10000-0x0000000005F2E000-memory.dmp

Filesize
120KB

Download
memory/4232-34-0x0000000005B30000-0x0000000005E84000-memory.dmp

Filesize
3.3MB

Download
memory/4232-23-0x0000000005870000-0x00000000058D6000-memory.dmp

Filesize
408KB

Download
memory/4232-24-0x00000000058E0000-0x0000000005946000-memory.dmp

Filesize
408KB

Download
memory/4952-138-0x0000000000CF0000-0x0000000000CFE000-memory.dmp

Filesize
56KB

Download
memory/4952-139-0x0000000005520000-0x000000000555C000-memory.dmp

Filesize
240KB

Download
memory/4952-140-0x0000000002EC0000-0x0000000002EE1000-memory.dmp

Filesize
132KB

Download
memory/5056-73-0x0000000070450000-0x000000007049C000-memory.dmp

Filesize
304KB

Download
memory/5056-71-0x0000000005B70000-0x0000000005EC4000-memory.dmp

Filesize
3.3MB

Download