xworm | 1b578402eebfe063f3b62ffa7fae581831d3d6be08aebeba70de74aa6422dc40

Analysis

max time kernel
149s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260706-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/07/2026, 09:05

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General

Target
_1b578402eebfe063f3b62ffa7fae581831d3d6be08aebeba70de74aa6422dc40.js
Size 460KB
Sample260709-k2c6csfy2q
SHA256 1b578402eebfe063f3b62ffa7fae581831d3d6be08aebeba70de74aa6422dc40
MD5 45d44ee1a4c5dc3d6813844f769884b7
SHA1 de1bb47bb186cd988584a4bda02e713079f0ab83
SHA512 54a839941ca8e3b2cec6a3eb132e47a193538c9282d01a81401235e49698563588a40a98d5caa5f114eec7fd7ce4e5114ea9d5e344484051baef15e990901f6f
SSDEEP 12288:IWx8xvqwlkKa5K0CYtI93i07fzTJgmoYdg4+OiYBF/:+LkKiKYa9Nzfy+dg8h
TLSH
T1FFA4CF009BD0B88867E75F39B22F74D8F2B508EA69514B4BF311FC48F6A5905EDC66B0
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

collection defense_evasion discovery execution xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

133.18.165.80:7004

Mutex

cVNswFEPDKa4fTNO

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 1 IoCs

resource	yara_rule
behavioral2/memory/3232-24-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3076	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-200172840-2662118501-695741713-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-200172840-2662118501-695741713-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-200172840-2662118501-695741713-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3076 set thread context of 3232	3076	powershell.exe	95

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
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 1 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	aspnet_compiler.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
4148	taskkill.exe

Suspicious behavior: EnumeratesProcesses 35 IoCs

pid	Process
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3232	aspnet_compiler.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3232	aspnet_compiler.exe
3232	aspnet_compiler.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3076	powershell.exe
Token: SeDebugPrivilege	3232	aspnet_compiler.exe
Token: SeDebugPrivilege	4148	taskkill.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3232	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5636 wrote to memory of 3076	5636	wscript.exe	88
PID 3076 wrote to memory of 2028	3076	powershell.exe	90
PID 3076 wrote to memory of 1824	3076	powershell.exe	91
PID 3076 wrote to memory of 3780	3076	powershell.exe	92
PID 3076 wrote to memory of 1948	3076	powershell.exe	93
PID 3076 wrote to memory of 3428	3076	powershell.exe	94
PID 3076 wrote to memory of 3232	3076	powershell.exe	95
PID 3076 wrote to memory of 3232	3076	powershell.exe	95
PID 3076 wrote to memory of 3232	3076	powershell.exe	95
PID 3076 wrote to memory of 3232	3076	powershell.exe	95
PID 3076 wrote to memory of 3232	3076	powershell.exe	95
PID 5636 wrote to memory of 4148	5636	wscript.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-200172840-2662118501-695741713-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-200172840-2662118501-695741713-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\_1b578402eebfe063f3b62ffa7fae581831d3d6be08aebeba70de74aa6422dc40.js
1⤵
- Suspicious use of WriteProcessMemory
PID:5636
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\script_2GzGvey1Vp4Y_1783587928758.ps1"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3076
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2028
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:1824
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3780
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:1948
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3428
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:3232
- C:\Windows\System32\taskkill.exe
  "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4148

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:1768

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

script_2GzGvey1Vp4Y_1783587928758.ps1

Path C:\Temp\script_2GzGvey1Vp4Y_1783587928758.ps1
Size 268KB
SHA256 145b3a0e94021cf59d6a1b55194557888944f45b55de3e9a906a51627ff12221
MD5 76bc33f7e4f0346c7865c2ba662cd3b1
SHA1 6dbfa2eb37eb9929b06668ab3c35d212e9daf924
SHA512 84d61cab7ee7af16f83e5ddd868e8de9a7cc3fccfb6622e3cfdc285636bfa3fde191afce16819897c4eadc6042e2d8a071e14783194e47bee7665f07379c43d4
SSDEEP 6144:EMxN6nU/utWx5wOf8P+l4GQGC4PjR1e12UKk3aGj9:Eu7/utWXEUQqneHB3aGB
TLSH
T181442380E89D26B35794B6712C8A8B42CFF4320BD9D4EA65EF488DC99B09E5073E7C10
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3076-13-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-15-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-2-0x000002689AF60000-0x000002689AF82000-memory.dmp

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memory/3076-6-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-8-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-9-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-10-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-11-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-12-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-1-0x00007FFD77F1F000-0x00007FFD77F20000-memory.dmp

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memory/3076-5-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-16-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-14-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-17-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-18-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-19-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-20-0x0000026882AD0000-0x0000026882AE4000-memory.dmp

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memory/3076-48-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-23-0x000002689AFF0000-0x000002689B004000-memory.dmp

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memory/3076-31-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3076-27-0x00007FFD77D90000-0x00007FFD78734000-memory.dmp

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memory/3232-26-0x0000000005400000-0x000000000549C000-memory.dmp

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memory/3232-37-0x0000000007B10000-0x0000000007B1A000-memory.dmp

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memory/3232-28-0x0000000005B60000-0x000000000611A000-memory.dmp

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memory/3232-29-0x00000000063C0000-0x0000000006452000-memory.dmp

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memory/3232-30-0x0000000005B40000-0x0000000005B4A000-memory.dmp

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memory/3232-24-0x0000000000400000-0x0000000000410000-memory.dmp

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memory/3232-32-0x0000000006E60000-0x0000000006EC6000-memory.dmp

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memory/3232-39-0x0000000008620000-0x00000000087E2000-memory.dmp

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memory/3232-34-0x0000000074B32000-0x0000000074B33000-memory.dmp

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memory/3232-25-0x0000000074B32000-0x0000000074B33000-memory.dmp

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memory/3232-36-0x0000000007930000-0x0000000007A96000-memory.dmp

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memory/5636-35-0x0000023C52DE0000-0x0000023C531FE000-memory.dmp

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memory/5636-38-0x0000023C52DE0000-0x0000023C531FE000-memory.dmp

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memory/5636-33-0x0000023C52DE0000-0x0000023C531FE000-memory.dmp

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memory/5636-40-0x0000023C52DE0000-0x0000023C531FE000-memory.dmp

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memory/5636-41-0x0000023C52DE0000-0x0000023C531FE000-memory.dmp

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memory/5636-42-0x0000023C52DE0000-0x0000023C531FE000-memory.dmp

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memory/5636-43-0x0000023C52DE0000-0x0000023C531FE000-memory.dmp

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memory/5636-44-0x0000023C52DE0000-0x0000023C531FE000-memory.dmp

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memory/5636-47-0x0000023C52DE0000-0x0000023C531FE000-memory.dmp

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memory/5636-21-0x0000023C52DE0000-0x0000023C531FE000-memory.dmp

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memory/5636-49-0x0000023C52DE0000-0x0000023C531FE000-memory.dmp

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