Analysis
- max time kernel
150s - max time network
149s - 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
6d694b7d64972343268a01f67def71e845edf3c693f48e533b6616e8031911e9.exe
Resource
win10v2004-20260911-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
6d694b7d64972343268a01f67def71e845edf3c693f48e533b6616e8031911e9.exe
Resource
win11ltsc2024-20260911-en
16 signatures
150 seconds
General
- Target 6d694b7d64972343268a01f67def71e845edf3c693f48e533b6616e8031911e9.exe
- Size 1.2MB
- Sample261108-e5cfcahx7w
- SHA256 6d694b7d64972343268a01f67def71e845edf3c693f48e533b6616e8031911e9
- MD5 cf11a3ffbec4e1e7fc4719c165dd9377
- SHA1 cd1f4af2116be1e655d06d6462ae24f7d96334ee
- SHA512 278b94d49788dfbb761b0c72b2e511416d6ad3fc7fd2b5acbd84cb6441e96542a4202a9b83858a08144d03e93a044924709d3fa8fdd4b23e3e7eff885077383f
- SSDEEP 12288:6IuINCGGFCZDnisipgOhaVlax1XgsgFik8w+JP/e9qy//bS4+JxBUqkMKUqCuDDy:Puys9p7WhT8H/e9qybStJa0OK
- TLSH T1CF459D16B1F8C3E9F09AD43586A0A705D1FF78672F117E4BC1A4E215EF3A6B02F65260
- 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 18 2528 WinComboExt.exe - Executes dropped EXE 5 IoCs
pid Process 4020 WinComboExt.exe 1564 WinComboExt.exe 2528 WinComboExt.exe 2220 WinComboExt.exe 1092 Security_Module.dat - 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 1112 wscript.exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4528 set thread context of 1936 4528 6d694b7d64972343268a01f67def71e845edf3c693f48e533b6616e8031911e9.exe 86 PID 4020 set thread context of 1564 4020 WinComboExt.exe 88 PID 2528 set thread context of 2220 2528 WinComboExt.exe 92 -
resource yara_rule behavioral1/memory/1936-4-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1936-3-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1936-7-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1564-19-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1564-18-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1564-17-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1564-16-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1564-15-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1936-2-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1936-1-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1936-0-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/2220-26-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/2220-28-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/2220-29-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/2220-27-0x0000000140000000-0x000000014002C000-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 4020 WinComboExt.exe 4020 WinComboExt.exe 4020 WinComboExt.exe 4020 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 WinComboExt.exe 2528 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 4020 WinComboExt.exe 2528 WinComboExt.exe - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 4020 WinComboExt.exe 2528 WinComboExt.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2528 WinComboExt.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4528 wrote to memory of 1936 4528 6d694b7d64972343268a01f67def71e845edf3c693f48e533b6616e8031911e9.exe 86 PID 4528 wrote to memory of 1936 4528 6d694b7d64972343268a01f67def71e845edf3c693f48e533b6616e8031911e9.exe 86 PID 4528 wrote to memory of 4020 4528 6d694b7d64972343268a01f67def71e845edf3c693f48e533b6616e8031911e9.exe 87 PID 4020 wrote to memory of 1564 4020 WinComboExt.exe 88 PID 4020 wrote to memory of 1564 4020 WinComboExt.exe 88 PID 2528 wrote to memory of 2220 2528 WinComboExt.exe 92 PID 2528 wrote to memory of 2220 2528 WinComboExt.exe 92 - 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\6d694b7d64972343268a01f67def71e845edf3c693f48e533b6616e8031911e9.exe"C:\Users\Admin\AppData\Local\Temp\6d694b7d64972343268a01f67def71e845edf3c693f48e533b6616e8031911e9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Users\Admin\AppData\Local\Temp\6d694b7d64972343268a01f67def71e845edf3c693f48e533b6616e8031911e9.exe"C:\Users\Admin\AppData\Local\Temp\6d694b7d64972343268a01f67def71e845edf3c693f48e533b6616e8031911e9.exe"2⤵PID:1936
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-
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:4020 -
C:\ProgramData\Virtual_Windows\WinComboExt.exe"C:\ProgramData\Virtual_Windows\WinComboExt.exe"3⤵
- Executes dropped EXE
PID:1564
-
-
-
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:2528 -
C:\ProgramData\Virtual_Windows\WinComboExt.exe"C:\ProgramData\Virtual_Windows\WinComboExt.exe"2⤵
- Executes dropped EXE
PID:2220
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C:\ProgramData\Virtual_Windows\Security_Module.datC:\ProgramData\Virtual_Windows\Security_Module.dat1⤵
- Executes dropped EXE
PID:1092
-
C:\Windows\system32\wscript.exeC:\Windows\system32\wscript.exe C:\ProgramData\ACEC3503\AA0EE452.vbs1⤵
- Executes a VBScript file via the Windows Script Host.
PID:1112
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 6d694b7d64972343268a01f67def71e845edf3c693f48e533b6616e8031911e9
- MD5 cf11a3ffbec4e1e7fc4719c165dd9377
- SHA1 cd1f4af2116be1e655d06d6462ae24f7d96334ee
- SHA512 278b94d49788dfbb761b0c72b2e511416d6ad3fc7fd2b5acbd84cb6441e96542a4202a9b83858a08144d03e93a044924709d3fa8fdd4b23e3e7eff885077383f
- SSDEEP 12288:6IuINCGGFCZDnisipgOhaVlax1XgsgFik8w+JP/e9qy//bS4+JxBUqkMKUqCuDDy:Puys9p7WhT8H/e9qybStJa0OK
- TLSH T1CF459D16B1F8C3E9F09AD43586A0A705D1FF78672F117E4BC1A4E215EF3A6B02F65260
- 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\Tencent\b56c1a5c6514675357777722b9a59bfc
- Size 450B
- SHA256 ea777010c2585f4d35520afba6eb0e8cf5fea68c422280604a890ff8a95ff35e
- MD5 047919ef2e808c183c307093ba9b3644
- SHA1 cfd4242fa525d61f83c05e3469238d41bfc65b13
- SHA512 f3b6ac2920510ce59093ae3cf363bc4768aac52af3b29f91f5100077ed3f018f62a04bda3e4b9ebe268a032882816c8896f5d2189507262aa38a31685f32a679
- TLSH T15DF06DB815E9A077FB7796B30BE88190FC64A8A074128D0F815380C95902E0A1DD5F3D
- MD5 SHA1 SHA512 TLSH