xworm | a17b8909af1d89e96eb19201c06ed6d8a04489b965f1456b8307f5d7a31ed43b

Analysis

max time kernel
119s
max time network
142s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
08/03/2025, 11:10

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General

Target

PcncisxOpEPwd04.exe
Size

1.8MB
MD5

cc4fa8e0f981df1ae51a97bf99119152
SHA1

ec0eeed8c459332c51564471d3f3888bb31c37ea
SHA256

a17b8909af1d89e96eb19201c06ed6d8a04489b965f1456b8307f5d7a31ed43b
SHA512

70a9eae974ddc108ece7bd30b35a94656033052da9f3d58d5524966f27068720f17210ac57ee848820b9ef1b60e91aa8eda59a570b7d6e68a6ad2479c78f60c9
SSDEEP

49152:+Om3XJnTAo+00ut5gUhIcwxLJPXVN1nZvjxdFntHrpHPJJ5V79DbPJLFZHxnpHNB:+OyBAB00nWg

Score

10^/10

xworm discovery execution persistence rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:35248

mounsir24-31804.portmap.host:35248

major-europe.gl.at.ply.gg:35248

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/8856-16012-0x0000000000400000-0x0000000000418000-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
2632	powershell.exe
9020	powershell.exe
9104	powershell.exe
9188	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	PcncisxOpEPwd04.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	PcncisxOpEPwd04.exe

Loads dropped DLL 1 IoCs

pid	Process
8856	PcncisxOpEPwd04.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\666999666 = "C:\\Users\\Admin\\AppData\\Local\\PcncisxOpEPwd04.exe"	PcncisxOpEPwd04.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	PcncisxOpEPwd04.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2364 set thread context of 8856	2364	PcncisxOpEPwd04.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 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	PcncisxOpEPwd04.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PcncisxOpEPwd04.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
8964	timeout.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
9020	powershell.exe
9104	powershell.exe
9188	powershell.exe
2632	powershell.exe
8856	PcncisxOpEPwd04.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2364	PcncisxOpEPwd04.exe
Token: SeDebugPrivilege	8856	PcncisxOpEPwd04.exe
Token: SeDebugPrivilege	9020	powershell.exe
Token: SeDebugPrivilege	9104	powershell.exe
Token: SeDebugPrivilege	9188	powershell.exe
Token: SeDebugPrivilege	2632	powershell.exe
Token: SeDebugPrivilege	8856	PcncisxOpEPwd04.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
8856	PcncisxOpEPwd04.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 8856	2364	PcncisxOpEPwd04.exe	30
PID 2364 wrote to memory of 8856	2364	PcncisxOpEPwd04.exe	30
PID 2364 wrote to memory of 8856	2364	PcncisxOpEPwd04.exe	30
PID 2364 wrote to memory of 8856	2364	PcncisxOpEPwd04.exe	30
PID 2364 wrote to memory of 8856	2364	PcncisxOpEPwd04.exe	30
PID 2364 wrote to memory of 8856	2364	PcncisxOpEPwd04.exe	30
PID 2364 wrote to memory of 8856	2364	PcncisxOpEPwd04.exe	30
PID 2364 wrote to memory of 8856	2364	PcncisxOpEPwd04.exe	30
PID 2364 wrote to memory of 8856	2364	PcncisxOpEPwd04.exe	30
PID 2364 wrote to memory of 8916	2364	PcncisxOpEPwd04.exe	31
PID 2364 wrote to memory of 8916	2364	PcncisxOpEPwd04.exe	31
PID 2364 wrote to memory of 8916	2364	PcncisxOpEPwd04.exe	31
PID 2364 wrote to memory of 8916	2364	PcncisxOpEPwd04.exe	31
PID 8916 wrote to memory of 8964	8916	cmd.exe	33
PID 8916 wrote to memory of 8964	8916	cmd.exe	33
PID 8916 wrote to memory of 8964	8916	cmd.exe	33
PID 8916 wrote to memory of 8964	8916	cmd.exe	33
PID 8856 wrote to memory of 9020	8856	PcncisxOpEPwd04.exe	34
PID 8856 wrote to memory of 9020	8856	PcncisxOpEPwd04.exe	34
PID 8856 wrote to memory of 9020	8856	PcncisxOpEPwd04.exe	34
PID 8856 wrote to memory of 9020	8856	PcncisxOpEPwd04.exe	34
PID 8856 wrote to memory of 9104	8856	PcncisxOpEPwd04.exe	36
PID 8856 wrote to memory of 9104	8856	PcncisxOpEPwd04.exe	36
PID 8856 wrote to memory of 9104	8856	PcncisxOpEPwd04.exe	36
PID 8856 wrote to memory of 9104	8856	PcncisxOpEPwd04.exe	36
PID 8856 wrote to memory of 9188	8856	PcncisxOpEPwd04.exe	38
PID 8856 wrote to memory of 9188	8856	PcncisxOpEPwd04.exe	38
PID 8856 wrote to memory of 9188	8856	PcncisxOpEPwd04.exe	38
PID 8856 wrote to memory of 9188	8856	PcncisxOpEPwd04.exe	38
PID 8856 wrote to memory of 2632	8856	PcncisxOpEPwd04.exe	40
PID 8856 wrote to memory of 2632	8856	PcncisxOpEPwd04.exe	40
PID 8856 wrote to memory of 2632	8856	PcncisxOpEPwd04.exe	40
PID 8856 wrote to memory of 2632	8856	PcncisxOpEPwd04.exe	40

C:\Users\Admin\AppData\Local\Temp\PcncisxOpEPwd04.exe
"C:\Users\Admin\AppData\Local\Temp\PcncisxOpEPwd04.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\PcncisxOpEPwd04.exe
  "C:\Users\Admin\AppData\Local\Temp\PcncisxOpEPwd04.exe"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - 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:8856
- - 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\Local\Temp\PcncisxOpEPwd04.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:9020
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'PcncisxOpEPwd04.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:9104
- - 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'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:9188
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2632
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c timeout /t 1 && DEL /f PcncisxOpEPwd04.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:8916
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 1
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:8964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
728944edf1c4dd5f84dc1396ba08bab9

SHA1
04834b0647d86d7f3a86ba09bf3837392efff4eb

SHA256
30174f4cf072230f61219d9116d92e395b0eafb5109a0dce484f2da3a34b48c7

SHA512
0b4314a4b298ce26ed2476fd2d13336071e21d7475daa139eeae3685bbfde44cefeb827ed75e14461e5b5a6e238b71e52e74ba7bcef07c8b1672d7da897aa266

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

Filesize
1.8MB

MD5
cc4fa8e0f981df1ae51a97bf99119152

SHA1
ec0eeed8c459332c51564471d3f3888bb31c37ea

SHA256
a17b8909af1d89e96eb19201c06ed6d8a04489b965f1456b8307f5d7a31ed43b

SHA512
70a9eae974ddc108ece7bd30b35a94656033052da9f3d58d5524966f27068720f17210ac57ee848820b9ef1b60e91aa8eda59a570b7d6e68a6ad2479c78f60c9

Download Submit
memory/2364-35-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-25-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-4-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-45-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-5-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-63-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-7-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-9-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-11-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-13-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-15-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-17-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-19-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-43-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-23-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-41-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-27-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-29-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-31-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-33-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-0-0x0000000073EBE000-0x0000000073EBF000-memory.dmp

Filesize
4KB

Download
memory/2364-37-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-2-0x0000000004B60000-0x0000000004C38000-memory.dmp

Filesize
864KB

Download
memory/2364-39-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-21-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-67-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-65-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-61-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-59-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-57-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-55-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-53-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-51-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-49-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-47-0x0000000004B60000-0x0000000004C33000-memory.dmp

Filesize
844KB

Download
memory/2364-15994-0x0000000073EBE000-0x0000000073EBF000-memory.dmp

Filesize
4KB

Download
memory/2364-15995-0x0000000073EB0000-0x000000007459E000-memory.dmp

Filesize
6.9MB

Download
memory/2364-16010-0x0000000073EB0000-0x000000007459E000-memory.dmp

Filesize
6.9MB

Download
memory/2364-1-0x00000000012B0000-0x000000000147E000-memory.dmp

Filesize
1.8MB

Download
memory/2364-3-0x0000000073EB0000-0x000000007459E000-memory.dmp

Filesize
6.9MB

Download
memory/8856-16012-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/8856-16011-0x0000000073EB0000-0x000000007459E000-memory.dmp

Filesize
6.9MB

Download
memory/8856-16035-0x0000000073EB0000-0x000000007459E000-memory.dmp

Filesize
6.9MB

Download
memory/8856-16036-0x0000000073EB0000-0x000000007459E000-memory.dmp

Filesize
6.9MB

Download
memory/8856-16037-0x0000000073EB0000-0x000000007459E000-memory.dmp

Filesize
6.9MB

Download