Analysis
- max time kernel
147s - max time network
145s - platform
windows10_x64 - resource
win10v20201028 - submitted
13/11/2020, 15:20
Static task
static1
Behavioral task
behavioral1
Sample
5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target 5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe
- Size 222KB
- Sample201113-evvyt447ws
- SHA256 5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf
- MD5 b9e351b1448c617d3f60d57cd42c2473
- SHA1 d8368be5171f0013b43258c44031e5c536a3b52c
- SHA512 38171513c711dc61c334503f989fb7b7ee849311ff98c4437a75bc4f0e4eb9e486aa9fad1065ca2a631028098f51a01f43256029ac26fad3327a89cc30badd4b
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe, C:\\Users\\Admin\\AppData\\Local\\_foldernamelocalappdata_\\netdiagfx32.exe" netdiagfx32.exe - Executes dropped EXE 3 IoCs
pid Process 3920 netdiagfx32.exe 2628 netdiagfx32.exe 1512 netdiagfx32.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\netdiagfx32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe" 5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Modifies service 2 TTPs 26 IoCs
description ioc Process Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\MSDTC Bridge 4.0.0.0\Linkage\Export = 4d0053004400540043002000420072006900640067006500200034002e0030002e0030002e00300000000000 netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ServiceModelEndpoint 3.0.0.0\Linkage netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\.NET CLR Networking\Linkage netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\.NET CLR Networking 4.0.0.0\Linkage netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\.NET Data Provider for Oracle\Linkage netdiagfx32.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\.NET Memory Cache 4.0\Linkage\Export = 2e004e004500540020004d0065006d006f0072007900200043006100630068006500200034002e00300000000000 netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\MSDTC Bridge 3.0.0.0\Linkage netdiagfx32.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\MSDTC Bridge 3.0.0.0\Linkage\Export = 4d0053004400540043002000420072006900640067006500200033002e0030002e0030002e00300000000000 netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SMSvcHost 3.0.0.0\Linkage netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SMSvcHost 4.0.0.0\Linkage netdiagfx32.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Windows Workflow Foundation 3.0.0.0\Linkage\Export = 570069006e0064006f0077007300200057006f0072006b0066006c006f007700200046006f0075006e0064006100740069006f006e00200033002e0030002e0030002e00300000000000 netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\BITS\Performance netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\.NET Memory Cache 4.0\Linkage netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ServiceModelOperation 3.0.0.0\Linkage netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ServiceModelService 3.0.0.0\Linkage netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Windows Workflow Foundation 4.0.0.0\Linkage netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\.NET Data Provider for SqlServer\Linkage netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\MSDTC Bridge 4.0.0.0\Linkage netdiagfx32.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ServiceModelOperation 3.0.0.0\Linkage\Export = 53006500720076006900630065004d006f00640065006c004f007000650072006100740069006f006e00200033002e0030002e0030002e00300000000000 netdiagfx32.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SMSvcHost 3.0.0.0\Linkage\Export = 53004d0053007600630048006f0073007400200033002e0030002e0030002e00300000000000 netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Windows Workflow Foundation 3.0.0.0\Linkage netdiagfx32.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Windows Workflow Foundation 4.0.0.0\Linkage\Export = 570069006e0064006f0077007300200057006f0072006b0066006c006f007700200046006f0075006e0064006100740069006f006e00200034002e0030002e0030002e00300000000000 netdiagfx32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\.NET CLR Data\Linkage netdiagfx32.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ServiceModelEndpoint 3.0.0.0\Linkage\Export = 53006500720076006900630065004d006f00640065006c0045006e00640070006f0069006e007400200033002e0030002e0030002e00300000000000 netdiagfx32.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ServiceModelService 3.0.0.0\Linkage\Export = 53006500720076006900630065004d006f00640065006c005300650072007600690063006500200033002e0030002e0030002e00300000000000 netdiagfx32.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SMSvcHost 4.0.0.0\Linkage\Export = 53004d0053007600630048006f0073007400200034002e0030002e0030002e00300000000000 netdiagfx32.exe - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2416 schtasks.exe - Delays execution with timeout.exe 1 IoCs
pid Process 188 timeout.exe - Suspicious behavior: EnumeratesProcesses 101 IoCs
pid Process 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe 3920 netdiagfx32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3920 netdiagfx32.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 848 wrote to memory of 3920 848 5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe 75 PID 848 wrote to memory of 3920 848 5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe 75 PID 848 wrote to memory of 508 848 5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe 76 PID 848 wrote to memory of 508 848 5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe 76 PID 848 wrote to memory of 976 848 5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe 78 PID 848 wrote to memory of 976 848 5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe 78 PID 976 wrote to memory of 188 976 cmd.exe 80 PID 976 wrote to memory of 188 976 cmd.exe 80 PID 3920 wrote to memory of 2416 3920 netdiagfx32.exe 81 PID 3920 wrote to memory of 2416 3920 netdiagfx32.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe"C:\Users\Admin\AppData\Local\Temp\5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exe"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies service
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exe\" arguments" /sc MINUTE /mo 13⤵
- Creates scheduled task(s)
PID:2416
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"2⤵PID:508
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe" && del "C:\Users\Admin\AppData\Local\Temp\5fc0a6037edc8b1dcdf7680d3702ce9f68b2bbc7184782e60c2cfe898c84fdaf.exe.config"2⤵
- Suspicious use of WriteProcessMemory
PID:976 -
C:\Windows\system32\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:188
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:3912
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exe arguments1⤵
- Executes dropped EXE
PID:2628
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\netdiagfx32.exe arguments1⤵
- Executes dropped EXE
PID:1512