xworm | dacc84ed6f53885ec89a45ffb68546d8fd819b303c04e9aabef23b06cb39488b

Analysis

max time kernel
147s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19/02/2025, 22:01

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General

Target

CAPP.exe
Size

941KB
MD5

633efdf80797b397168e41e22ceb3985
SHA1

046f318b78c9434c5a78af5c0a8389c84e864e7e
SHA256

97006d08b4e8eebfc2d9f2d52719ee2ecf045ca4275033288677403f43fec7cf
SHA512

16927f3d4301c0fb72ef91f47da52fc4e34997c8aabf20ae3685d4612e806d1cb99ba4adabb6a234bc103421f23d62f32f3ce8b1bba11318c495b806f489c8c9
SSDEEP

24576:Ru6J33O0c+JY5UZ+XC0kGso6FacSpneWY:Du0c++OCvkGs9FacSjY

Score

10^/10

xworm discovery execution persistence rat trojan

Malware Config

Extracted

Family

xworm

176.96.137.181:1111

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2036-30-0x0000000000190000-0x00000000001A8000-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
1344	powershell.exe
3524	powershell.exe
4812	powershell.exe
1904	powershell.exe

Drops startup file 3 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
3580	slashing.exe
1900	XClient.exe
2752	XClient.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-1-5-21-925314154-1797147466-1467878628-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	RegSvcs.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000500000001da55-14.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3580 set thread context of 2036	3580	slashing.exe	90

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CAPP.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	XClient.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	XClient.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	slashing.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
4432	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4812	powershell.exe
4812	powershell.exe
1904	powershell.exe
1904	powershell.exe
1344	powershell.exe
1344	powershell.exe
3524	powershell.exe
3524	powershell.exe
2036	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3580	slashing.exe
3580	slashing.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	RegSvcs.exe
Token: SeDebugPrivilege	4812	powershell.exe
Token: SeDebugPrivilege	1904	powershell.exe
Token: SeDebugPrivilege	1344	powershell.exe
Token: SeDebugPrivilege	3524	powershell.exe
Token: SeDebugPrivilege	2036	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4820	CAPP.exe
4820	CAPP.exe
3580	slashing.exe
3580	slashing.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4820	CAPP.exe
4820	CAPP.exe
3580	slashing.exe
3580	slashing.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2036	RegSvcs.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 3580	4820	CAPP.exe	88
PID 4820 wrote to memory of 3580	4820	CAPP.exe	88
PID 4820 wrote to memory of 3580	4820	CAPP.exe	88
PID 3580 wrote to memory of 2036	3580	slashing.exe	90
PID 3580 wrote to memory of 2036	3580	slashing.exe	90
PID 3580 wrote to memory of 2036	3580	slashing.exe	90
PID 3580 wrote to memory of 2036	3580	slashing.exe	90
PID 2036 wrote to memory of 4812	2036	RegSvcs.exe	91
PID 2036 wrote to memory of 4812	2036	RegSvcs.exe	91
PID 2036 wrote to memory of 4812	2036	RegSvcs.exe	91
PID 2036 wrote to memory of 1904	2036	RegSvcs.exe	93
PID 2036 wrote to memory of 1904	2036	RegSvcs.exe	93
PID 2036 wrote to memory of 1904	2036	RegSvcs.exe	93
PID 2036 wrote to memory of 1344	2036	RegSvcs.exe	95
PID 2036 wrote to memory of 1344	2036	RegSvcs.exe	95
PID 2036 wrote to memory of 1344	2036	RegSvcs.exe	95
PID 2036 wrote to memory of 3524	2036	RegSvcs.exe	97
PID 2036 wrote to memory of 3524	2036	RegSvcs.exe	97
PID 2036 wrote to memory of 3524	2036	RegSvcs.exe	97
PID 2036 wrote to memory of 4432	2036	RegSvcs.exe	99
PID 2036 wrote to memory of 4432	2036	RegSvcs.exe	99
PID 2036 wrote to memory of 4432	2036	RegSvcs.exe	99

C:\Users\Admin\AppData\Local\Temp\CAPP.exe
"C:\Users\Admin\AppData\Local\Temp\CAPP.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4820
- C:\Users\Admin\AppData\Local\strangulates\slashing.exe
  "C:\Users\Admin\AppData\Local\Temp\CAPP.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:3580
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\CAPP.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:2036
  - - 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:4812
  - - 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:1904
  - - 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\XClient.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1344
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3524
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:4432

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1900

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2752

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\XClient.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
91d639e2903f4dacfda77edeb6d8d566

SHA1
16d72b85529092572f61d2d3f178f3b8efa8de4c

SHA256
c1c3d16ec9b64983403ed857a1adb26465baddf361d55c256fdbc6ed3f400f05

SHA512
d9175f56af8cfd8e426080a39ece2457c7f6ddeb5594071ee2293b6fc652330aa5fea934bed7a4cc7d7ae3a18a68085f1d2471156c5ed5df6a107d2bcf17551b

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

Filesize
18KB

MD5
1773839a062bb43904e70d73ccae29e2

SHA1
6ef36957636110b2034c307d6e3b655ebd538a9c

SHA256
c3d76eb59cb60569fccbd89d6c0286c938ec10b6e204518c2f9f3a6947cade0d

SHA512
b742c5df9d06a08959a1357e094aed3912930552490bdc2dc5bce0570e1fb8b74e6ee8eaf987799a1b8ef623f1c8b9199b4806450d2cfb779206ffab8a49fd4b

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

Filesize
18KB

MD5
77bb1a87e8d29cbafda78447243830e3

SHA1
a76223a236e5b5e062aea25a4a722c2db4f8d1bc

SHA256
f594985d0a96e6b99cac6a762d974cd353887e42dcc87b93755bf3670d65f35c

SHA512
97aa7a981de9353aeb6c521b975e0f0a72d3b05c00f3db345fe497395e7c790692b9bf3b4599ce2d9155ab124aff9640cf0192790cdd3d03a2d58ca21a4a3453

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a1xxyojt.gwp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\nonplacental

Filesize
29KB

MD5
321baee7c5921684f781da50f395f324

SHA1
734cfd88172b01a02489a0c1dd3dd3dea61ab735

SHA256
e2a9e6d5056ef7787338b7dcc504e13fd0dbc38dd5a3c8910a0b2adff707b00c

SHA512
633f9caa33d98166cfcb3fa6d6d7fb5217d0dd8413a401eed0338cbcada6e7e50a002495ce5417d2d2d0ca281f6af4910fe033f82f5987fff241ece21955ec46

Download Submit
C:\Users\Admin\AppData\Local\strangulates\slashing.exe

Filesize
941KB

MD5
633efdf80797b397168e41e22ceb3985

SHA1
046f318b78c9434c5a78af5c0a8389c84e864e7e

SHA256
97006d08b4e8eebfc2d9f2d52719ee2ecf045ca4275033288677403f43fec7cf

SHA512
16927f3d4301c0fb72ef91f47da52fc4e34997c8aabf20ae3685d4612e806d1cb99ba4adabb6a234bc103421f23d62f32f3ce8b1bba11318c495b806f489c8c9

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

Filesize
44KB

MD5
9d352bc46709f0cb5ec974633a0c3c94

SHA1
1969771b2f022f9a86d77ac4d4d239becdf08d07

SHA256
2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

SHA512
13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

Download Submit
memory/1344-97-0x0000000005800000-0x0000000005B54000-memory.dmp

Filesize
3.3MB

Download
memory/1344-109-0x00000000705F0000-0x000000007063C000-memory.dmp

Filesize
304KB

Download
memory/1900-155-0x0000000005350000-0x0000000005371000-memory.dmp

Filesize
132KB

Download
memory/1900-154-0x0000000005390000-0x00000000053CC000-memory.dmp

Filesize
240KB

Download
memory/1900-153-0x0000000000BD0000-0x0000000000BDE000-memory.dmp

Filesize
56KB

Download
memory/1904-86-0x00000000705F0000-0x000000007063C000-memory.dmp

Filesize
304KB

Download
memory/1904-84-0x0000000005810000-0x0000000005B64000-memory.dmp

Filesize
3.3MB

Download
memory/2036-150-0x0000000074250000-0x0000000074A00000-memory.dmp

Filesize
7.7MB

Download
memory/2036-147-0x0000000005D90000-0x0000000006334000-memory.dmp

Filesize
5.6MB

Download
memory/2036-146-0x0000000074250000-0x0000000074A00000-memory.dmp

Filesize
7.7MB

Download
memory/2036-148-0x00000000058E0000-0x0000000005972000-memory.dmp

Filesize
584KB

Download
memory/2036-108-0x000000007425E000-0x000000007425F000-memory.dmp

Filesize
4KB

Download
memory/2036-149-0x00000000058B0000-0x00000000058BA000-memory.dmp

Filesize
40KB

Download
memory/2036-160-0x0000000006870000-0x000000000687C000-memory.dmp

Filesize
48KB

Download
memory/2036-32-0x0000000004B10000-0x0000000004BAC000-memory.dmp

Filesize
624KB

Download
memory/2036-31-0x000000007425E000-0x000000007425F000-memory.dmp

Filesize
4KB

Download
memory/2036-30-0x0000000000190000-0x00000000001A8000-memory.dmp

Filesize
96KB

Download
memory/3524-131-0x00000000705F0000-0x000000007063C000-memory.dmp

Filesize
304KB

Download
memory/3524-129-0x0000000005D10000-0x0000000006064000-memory.dmp

Filesize
3.3MB

Download
memory/4812-37-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/4812-61-0x00000000063C0000-0x00000000063DE000-memory.dmp

Filesize
120KB

Download
memory/4812-70-0x0000000007450000-0x000000000746A000-memory.dmp

Filesize
104KB

Download
memory/4812-69-0x0000000007350000-0x0000000007364000-memory.dmp

Filesize
80KB

Download
memory/4812-68-0x0000000007340000-0x000000000734E000-memory.dmp

Filesize
56KB

Download
memory/4812-67-0x0000000007310000-0x0000000007321000-memory.dmp

Filesize
68KB

Download
memory/4812-66-0x0000000007390000-0x0000000007426000-memory.dmp

Filesize
600KB

Download
memory/4812-65-0x0000000007180000-0x000000000718A000-memory.dmp

Filesize
40KB

Download
memory/4812-64-0x0000000007110000-0x000000000712A000-memory.dmp

Filesize
104KB

Download
memory/4812-63-0x0000000007750000-0x0000000007DCA000-memory.dmp

Filesize
6.5MB

Download
memory/4812-62-0x0000000006FE0000-0x0000000007083000-memory.dmp

Filesize
652KB

Download
memory/4812-71-0x0000000007430000-0x0000000007438000-memory.dmp

Filesize
32KB

Download
memory/4812-51-0x00000000705F0000-0x000000007063C000-memory.dmp

Filesize
304KB

Download
memory/4812-50-0x0000000006FA0000-0x0000000006FD2000-memory.dmp

Filesize
200KB

Download
memory/4812-49-0x0000000005E20000-0x0000000005E6C000-memory.dmp

Filesize
304KB

Download
memory/4812-48-0x0000000005DE0000-0x0000000005DFE000-memory.dmp

Filesize
120KB

Download
memory/4812-47-0x00000000057F0000-0x0000000005B44000-memory.dmp

Filesize
3.3MB

Download
memory/4812-33-0x00000000024C0000-0x00000000024F6000-memory.dmp

Filesize
216KB

Download
memory/4812-36-0x0000000005710000-0x0000000005776000-memory.dmp

Filesize
408KB

Download
memory/4812-35-0x0000000005570000-0x0000000005592000-memory.dmp

Filesize
136KB

Download
memory/4812-34-0x0000000004F40000-0x0000000005568000-memory.dmp

Filesize
6.2MB

Download
memory/4820-11-0x0000000001300000-0x0000000001304000-memory.dmp

Filesize
16KB

Download