Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
08/11/2026, 04:31
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
35fa880749410630c93184ce4055c71ca2f0569caa450769addc66006efb7c26.exe
Resource
win10v2004-20260911-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
35fa880749410630c93184ce4055c71ca2f0569caa450769addc66006efb7c26.exe
Resource
win11ltsc2024-20260911-en
15 signatures
150 seconds
General
- Target 35fa880749410630c93184ce4055c71ca2f0569caa450769addc66006efb7c26.exe
- Size 1.2MB
- Sample261108-e5dcmsxwbw
- SHA256 35fa880749410630c93184ce4055c71ca2f0569caa450769addc66006efb7c26
- MD5 75da66eb0823b0bb1f894c9cba618ab1
- SHA1 f0f6b0c33366817ac4596d1c225a46ecc90dff84
- SHA512 197c6075fa9f26c5b993f9422cd974335b3fe05e28dbcf6d9ba13b719c0dcc4b58a7d1950e3535abf371f289ef8dc35619e79dc7008b649c5d1a006089fb4e41
- SSDEEP 12288:PVpI5ZC9L61HBlXc8Z9M18+Xe6hcER5dm8Fik8w+JP/e9qy//bS4+JxBUqkMKUqa:45hlJG1feEMU8H/e9qybStJa0MK
- TLSH T179459D16F1F8C3E9F19ED4358650A605D1FF78632F016E4BC2A4E256EF366B02F69220
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UAC bypass 3 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" WinComboExt.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" WinComboExt.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" WinComboExt.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" WinComboExt.exe - Downloads MZ/PE file 1 IoCs
flow pid Process 20 4480 WinComboExt.exe - Executes dropped EXE 5 IoCs
pid Process 3448 WinComboExt.exe 1368 WinComboExt.exe 1428 Security_Module.dat 4480 WinComboExt.exe 4280 WinComboExt.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinAutoStart = "\"C:\\ProgramData\\Virtual_Windows\\WinComboExt.exe\" " WinComboExt.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
pid Process 1656 wscript.exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 5092 set thread context of 4952 5092 35fa880749410630c93184ce4055c71ca2f0569caa450769addc66006efb7c26.exe 84 PID 3448 set thread context of 1368 3448 WinComboExt.exe 86 PID 4480 set thread context of 4280 4480 WinComboExt.exe 91 -
resource yara_rule behavioral1/memory/4952-6-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/4952-8-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/4952-5-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/4952-4-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/4952-3-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/4952-1-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/4952-2-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1368-16-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1368-19-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1368-20-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1368-18-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1368-17-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/4280-31-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/4280-30-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/4280-29-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/4280-28-0x0000000140000000-0x000000014002C000-memory.dmp upx - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WinComboExt.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WinComboExt.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WinComboExt.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WinComboExt.exe - Suspicious behavior: EnumeratesProcesses 42 IoCs
pid Process 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 3448 WinComboExt.exe 3448 WinComboExt.exe 3448 WinComboExt.exe 3448 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe 4480 WinComboExt.exe - Suspicious behavior: LoadsDriver 3 IoCs
pid Process 660 Process not Found 660 Process not Found 660 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3448 WinComboExt.exe 4480 WinComboExt.exe - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 3448 WinComboExt.exe 4480 WinComboExt.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4480 WinComboExt.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 5092 wrote to memory of 4952 5092 35fa880749410630c93184ce4055c71ca2f0569caa450769addc66006efb7c26.exe 84 PID 5092 wrote to memory of 4952 5092 35fa880749410630c93184ce4055c71ca2f0569caa450769addc66006efb7c26.exe 84 PID 5092 wrote to memory of 3448 5092 35fa880749410630c93184ce4055c71ca2f0569caa450769addc66006efb7c26.exe 85 PID 3448 wrote to memory of 1368 3448 WinComboExt.exe 86 PID 3448 wrote to memory of 1368 3448 WinComboExt.exe 86 PID 4480 wrote to memory of 4280 4480 WinComboExt.exe 91 PID 4480 wrote to memory of 4280 4480 WinComboExt.exe 91 - System policy modification 1 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" WinComboExt.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" WinComboExt.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" WinComboExt.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" WinComboExt.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\35fa880749410630c93184ce4055c71ca2f0569caa450769addc66006efb7c26.exe"C:\Users\Admin\AppData\Local\Temp\35fa880749410630c93184ce4055c71ca2f0569caa450769addc66006efb7c26.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5092 -
C:\Users\Admin\AppData\Local\Temp\35fa880749410630c93184ce4055c71ca2f0569caa450769addc66006efb7c26.exe"C:\Users\Admin\AppData\Local\Temp\35fa880749410630c93184ce4055c71ca2f0569caa450769addc66006efb7c26.exe"2⤵PID:4952
-
-
C:\ProgramData\Virtual_Windows\WinComboExt.exe"C:\ProgramData\Virtual_Windows\WinComboExt.exe"2⤵
- UAC bypass
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3448 -
C:\ProgramData\Virtual_Windows\WinComboExt.exe"C:\ProgramData\Virtual_Windows\WinComboExt.exe"3⤵
- Executes dropped EXE
PID:1368
-
-
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C:\ProgramData\Virtual_Windows\Security_Module.datC:\ProgramData\Virtual_Windows\Security_Module.dat1⤵
- Executes dropped EXE
PID:1428
-
C:\ProgramData\Virtual_Windows\WinComboExt.exe"C:\ProgramData\Virtual_Windows\WinComboExt.exe"1⤵
- UAC bypass
- Downloads MZ/PE file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4480 -
C:\ProgramData\Virtual_Windows\WinComboExt.exe"C:\ProgramData\Virtual_Windows\WinComboExt.exe"2⤵
- Executes dropped EXE
PID:4280
-
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C:\Windows\system32\wscript.exeC:\Windows\system32\wscript.exe C:\ProgramData\C3558162\47AE1530.vbs1⤵
- Executes a VBScript file via the Windows Script Host.
PID:1656
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
- Path C:\ProgramData\Virtual_Windows\Security_Module.dat
- Size 293KB
- SHA256 2fb6068008c1df7a8687c9880d630b21709905927901a583bf04d24e8b00fef8
- MD5 19e4b21665ccdd0286877992cf909bb2
- SHA1 625f5d3e7a55f6673eaac9168f9d75218908ce37
- SHA512 a6c5f69175d0cda39f564cf6f1eaefdbd67c3bf6488cd72e73539a4e2701a0495dd9e19a50626646e51e26d77d745f23db430a0b3b67f9a108bcaf19728e80ef
- SSDEEP 6144:LYLBD0XQUsJhlk4Fw7NzzdqrnHWWJPzzeecqySUFk0r5Bz:LFik8w+JP/e9qy//z
- TLSH T10C54F182579454C1FDD359B0C0B4DA5BAEB3FA531B418ADF02A5C0784EA2BE06E3C5DB
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\ProgramData\Virtual_Windows\WinComboExt.exe
- Size 1.2MB
- SHA256 35fa880749410630c93184ce4055c71ca2f0569caa450769addc66006efb7c26
- MD5 75da66eb0823b0bb1f894c9cba618ab1
- SHA1 f0f6b0c33366817ac4596d1c225a46ecc90dff84
- SHA512 197c6075fa9f26c5b993f9422cd974335b3fe05e28dbcf6d9ba13b719c0dcc4b58a7d1950e3535abf371f289ef8dc35619e79dc7008b649c5d1a006089fb4e41
- SSDEEP 12288:PVpI5ZC9L61HBlXc8Z9M18+Xe6hcER5dm8Fik8w+JP/e9qy//bS4+JxBUqkMKUqa:45hlJG1feEMU8H/e9qybStJa0MK
- TLSH T179459D16F1F8C3E9F19ED4358650A605D1FF78632F016E4BC2A4E256EF366B02F69220
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\ProgramData\h_x64_4B02AE74F25A4AEB8C8938E23759EC10_0.dat
- Size 4B
- SHA256 052de9490317b365d4355fd0e6ea4c540dff6cbc00c8c932f9294870a757a5a3
- MD5 c63236e2f516e5f552bfb90e590008e6
- SHA1 480e3fa1dc87a5b76aad413f5fffebeb32ae22c0
- SHA512 676f9c4c978ee17d5033ef2e49491264c1d9190236cc6c04698a42fdb3fa5de2124c310c80c54279acb8a4b897af5e705a62b29240d6a02e94b6070affb6cfb3
- MD5 SHA1 SHA512
- Path C:\ProgramData\s_x64_4B02AE74F25A4AEB8C8938E23759EC10_0.dat
- Size 817KB
- SHA256 ecf870eb81001d048143e14ddea8d88f584a4d4e1e2bc0ebd4f8660090e9d398
- MD5 25250562f71dc0217126146313eff0fb
- SHA1 d5fc66d9f5c7eb5ef493944e97ce44d9ef330c04
- SHA512 f2ccf34d4e40fbe52f17ae7462f03a97ed311a4c7704c788ce8a27c18aca90f5fe1a996908014d61e29051f10733ebc364cbf9a6e4488e8e7bf2979099628660
- SSDEEP 12288:+ztuAc8wcI9NBJoKVIfgNM3l01aFqifeBaYs:+ztuAPwNBJo5fCM3lyaFp
- TLSH T1E5056D16A7A500B9E8B7C1388A574E16F7B2B8050364A7DF03A04AEB5F777E05B3D712
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Visual Studio\1cd39f00a324e86c8e7e95b5f1dcc090
- Size 474B
- SHA256 8e01920004dfebc7c0ec2b0ac4782c51e488f71fc55193662199a4d6dc8dae88
- MD5 4a59392b05d9f0d4aa17d299371544c7
- SHA1 acd9335150d85de53cd6e28798ed4e6303a53821
- SHA512 cfd927fd9ca1ff84ed8b783fea472abd66888c89ad8a5b09114fb7b4300f2310715326cb6e918c71e8f37466d1ba5e106f9a02d6dba3076d301972728c01c710
- TLSH T1F2F0E5601AFD9027F7F309F08BFA4027ACA2B0516D014E290002820D0F23F0ACC67F2E
- MD5 SHA1 SHA512 TLSH