Analysis
- max time kernel
151s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/08/2026, 02:36
Static task
static1
Behavioral task
behavioral1
Sample
inst_smt008.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
inst_smt008.exe
Resource
win11ltsc2024-20260709-en
General
- Target inst_smt008.exe
- Size 55.2MB
- Sample260805-c3scnscc33
- SHA256 832f507752f98f4566af50bef575c6ecd6931d2b0cf7d668c644b6ea4dda224f
- MD5 c1dc9ce2475d332b97b7a0617ce76891
- SHA1 fc3b14beb6d1ea33742d6871fc8a4c6b3b0a9cb8
- SHA512 1646bf0130be2cb96aa0b6cbcf9e040d309685764cb9010958fd9d24e1bfb648ff12966cbcf0f9e0b6f62246791d55bfdfd49de342229458215d8d41892b79e6
- SSDEEP 196608:InnmbV2qWwRNTc+u1aZfO8pP+QDhb6Z/LzEnSQ5Ps6Y:iSRe9QD4
- TLSH T1B8C78406F702899AD4799338488B4F91B372ECF14AB6972323B8733D2EFA35C5E91545
- 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:\Program Files (x86) = "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\WJJdo0 = "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 5940 powershell.exe - Executes dropped EXE 2 IoCs
pid Process 4592 VNAaWa.exe 3980 VNAaWa.exe - Loads dropped DLL 2 IoCs
pid Process 4592 VNAaWa.exe 3980 VNAaWa.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\\WJJdo0\\VNAaWa.exe\"" VNAaWa.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 3844 cmd.exe 3212 cmd.exe 4916 cmd.exe 5736 cmd.exe 2852 cmd.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b VNAaWa.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\di1rvy VNAaWa.exe File created C:\Program Files (x86)\di1rvy\V87pjq.exe VNAaWa.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 5368 cmd.exe 3196 cmd.exe 1940 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 4852 schtasks.exe 2656 schtasks.exe 4172 schtasks.exe 4932 schtasks.exe 4124 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 5680 inst_smt008.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe 4592 VNAaWa.exe - Suspicious behavior: LoadsDriver 6 IoCs
pid Process 816 Process not Found 816 Process not Found 816 Process not Found 816 Process not Found 816 Process not Found 816 Process not Found - Suspicious use of AdjustPrivilegeToken 22 IoCs
description pid Process Token: SeDebugPrivilege 5940 powershell.exe Token: SeIncreaseQuotaPrivilege 5940 powershell.exe Token: SeSecurityPrivilege 5940 powershell.exe Token: SeTakeOwnershipPrivilege 5940 powershell.exe Token: SeLoadDriverPrivilege 5940 powershell.exe Token: SeSystemProfilePrivilege 5940 powershell.exe Token: SeSystemtimePrivilege 5940 powershell.exe Token: SeProfSingleProcessPrivilege 5940 powershell.exe Token: SeIncBasePriorityPrivilege 5940 powershell.exe Token: SeCreatePagefilePrivilege 5940 powershell.exe Token: SeBackupPrivilege 5940 powershell.exe Token: SeRestorePrivilege 5940 powershell.exe Token: SeShutdownPrivilege 5940 powershell.exe Token: SeDebugPrivilege 5940 powershell.exe Token: SeSystemEnvironmentPrivilege 5940 powershell.exe Token: SeRemoteShutdownPrivilege 5940 powershell.exe Token: SeUndockPrivilege 5940 powershell.exe Token: SeManageVolumePrivilege 5940 powershell.exe Token: 33 5940 powershell.exe Token: 34 5940 powershell.exe Token: 35 5940 powershell.exe Token: 36 5940 powershell.exe - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4592 wrote to memory of 5940 4592 VNAaWa.exe 91 PID 4592 wrote to memory of 3212 4592 VNAaWa.exe 93 PID 3212 wrote to memory of 4172 3212 cmd.exe 96 PID 3212 wrote to memory of 4456 3212 cmd.exe 98 PID 4592 wrote to memory of 4916 4592 VNAaWa.exe 99 PID 4916 wrote to memory of 4932 4916 cmd.exe 103 PID 3212 wrote to memory of 1356 3212 cmd.exe 104 PID 4592 wrote to memory of 5736 4592 VNAaWa.exe 105 PID 4916 wrote to memory of 1772 4916 cmd.exe 107 PID 5736 wrote to memory of 4124 5736 cmd.exe 108 PID 4916 wrote to memory of 1336 4916 cmd.exe 109 PID 5736 wrote to memory of 4128 5736 cmd.exe 110 PID 4592 wrote to memory of 2852 4592 VNAaWa.exe 111 PID 5736 wrote to memory of 4020 5736 cmd.exe 113 PID 2852 wrote to memory of 4852 2852 cmd.exe 114 PID 2852 wrote to memory of 1540 2852 cmd.exe 115 PID 2852 wrote to memory of 2596 2852 cmd.exe 117 PID 4592 wrote to memory of 3844 4592 VNAaWa.exe 120 PID 3844 wrote to memory of 2656 3844 cmd.exe 122 PID 3844 wrote to memory of 5336 3844 cmd.exe 123 PID 3844 wrote to memory of 4384 3844 cmd.exe 125 PID 1940 wrote to memory of 5804 1940 cmd.exe 127 PID 3196 wrote to memory of 1124 3196 cmd.exe 128 PID 5368 wrote to memory of 428 5368 cmd.exe 129 - 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\inst_smt008.exe"C:\Users\Admin\AppData\Local\Temp\inst_smt008.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
PID:5680
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C:\Users\Public\WJJdo0\VNAaWa.exe"C:\Users\Public\WJJdo0\VNAaWa.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4592 -
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:5940
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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\WJJdo0\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:3212 -
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\WJJdo0\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:4172
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4456
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1356
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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:4916 -
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:4932
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1772
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1336
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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:5736 -
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:4124
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4128
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4020
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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:2852 -
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:4852
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1540
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2596
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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:3844 -
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:2656
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:5336
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4384
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C:\Users\Public\WJJdo0\VNAaWa.exe"C:\Users\Public\WJJdo0\VNAaWa.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3980
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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\WJJdo0" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5368 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\WJJdo0" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:428
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C:\Windows\system32\cmd.execmd.exe1⤵PID:1332
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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:3196 -
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:1124
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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:1940 -
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:5804
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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\WJJdo0\UxEnhance64.dll
- Size 3.1MB
- SHA256 82c94a0d8231912a25b3dc7e0e130696896ee273e603649274cf97e9bf3c5e8a
- MD5 48287071ed365fb82a123c127ade527d
- SHA1 7b50a7058fb80a493f0a307b96c46df16ca956ed
- SHA512 2f51697b4d290f7d070439e7e44e932a764b6a22dbbce95f5fa277411b0fb953a755ba15ef694b82c0d2ba916e6cc1d92734b6d3caf1eba3a9e4931f2f593455
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+1:P9m29xx3Tiqt06ox6+z2rNNrKo1
- TLSH T1DEE523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\WJJdo0\VNAaWa.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\WJJdo0\adoresd.dat
- Size 4.7MB
- SHA256 35b9419e4850a3f9223fb2925a206573e4655150fa597f1716f38c570be8a34e
- MD5 e9e1b4e2d685cb97f9b6ef9dbf363281
- SHA1 a7d3cc6f27c242389b0320f047161c01d61f1734
- SHA512 96ce8f16b9219ea79bdcbcc76ea70197cecfca7ffb6529e42eeb351ca43f812d7db177658a9640514094bf35caa4962ace8f3cdaedb34a35d3709c0f2cc1b086
- SSDEEP 98304:Vmu1SwODpRGIRdXEMZYe6rFLoTTpMk6ZGvQv0Ss2i+XZXea1v5WZd8uCp:gu1SwOflfZPF6Ma0bsoa5+qd
- TLSH T1113633368AE6F5C7E35B2A0AF36888DD12B0B7AD6E9D75C24AF070145DB30CE9015BC4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\WJJdo0\msadox.tb
- Size 8KB
- SHA256 7c78b90f670ad8816daedfcf268498aa5a75f88f84e8dca5c8a99b96fb56b888
- MD5 94d0775b83ae30b2f2ba8b0d2b217751
- SHA1 4e363a2039dfccc95ea3925d207b642a398cf6fe
- SHA512 3a78b26659133fbedff1863a98f6a54eb4da3325d07e2ed1694ad743cfa0a20c6c03f2c1258f829107c4d90520b22ba5a0d4819cee974883a0e4dfb405af0a80
- SSDEEP 192:AqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:AsZqZOXQ3uqvR2Kfzp
- TLSH T128029E05D7A20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH