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, 03:32
Behavioral task
behavioral1
Sample
4a3384a86035cc34513f513b6a5ad6e6fa1a9b4b875e79d57f8053f25023736a.exe
Resource
win10v2004-20260911-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
4a3384a86035cc34513f513b6a5ad6e6fa1a9b4b875e79d57f8053f25023736a.exe
Resource
win11ltsc2024-20260911-en
16 signatures
150 seconds
General
- Target 4a3384a86035cc34513f513b6a5ad6e6fa1a9b4b875e79d57f8053f25023736a.exe
- Size 664KB
- Sample261108-d3vy8sty2k
- SHA256 4a3384a86035cc34513f513b6a5ad6e6fa1a9b4b875e79d57f8053f25023736a
- MD5 efb14a9e7ca709321a6a542ec3ce232a
- SHA1 b1ec77519c64074eb63b7885a0a19e746806089e
- SHA512 5f8208e6a38e640bc75ab82ce762ffdb5cc3d12dac12b23e1eb0d798dcc9f9280fed1e9e8438c8257aa3a731140edd8f6c522febe4e19448de2c6b5697ca6fd0
- SSDEEP 12288:FaSEvXdRmb1k0tsqIZ4oOUkBlH7Jr7so0VrbncjM8Vfc8MDXgdLg8kFe9YO7DhDF:FaQk0Gl4ck/H717sN3cjMaf0Z7O715
- TLSH T165E40282EB5240C1E83F96B954395C1560F6FEAF95FCA03B32A6E30144A316B593787F
- 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" WinComboEx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" WinComboEx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" WinComboEx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" WinComboEx.exe - Downloads MZ/PE file 1 IoCs
flow pid Process 19 2328 WinComboEx.exe - Executes dropped EXE 5 IoCs
pid Process 2328 WinComboEx.exe 5008 WinComboEx.exe 3772 Security_Module.dat 2316 WinComboEx.exe 2832 WinComboEx.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\\WinComboEx.exe\" " WinComboEx.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
pid Process 4556 wscript.exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2852 set thread context of 1924 2852 4a3384a86035cc34513f513b6a5ad6e6fa1a9b4b875e79d57f8053f25023736a.exe 86 PID 2328 set thread context of 5008 2328 WinComboEx.exe 88 PID 2316 set thread context of 2832 2316 WinComboEx.exe 93 -
resource yara_rule behavioral1/memory/2852-0-0x00007FF688DC0000-0x00007FF688F11000-memory.dmp upx behavioral1/memory/1924-7-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1924-5-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1924-4-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1924-3-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1924-2-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/1924-1-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/2328-15-0x00007FF7AB4A0000-0x00007FF7AB5F1000-memory.dmp upx behavioral1/files/0x000700000002444b-13.dat upx behavioral1/memory/5008-21-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/5008-23-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/5008-22-0x00007FF7AB4A0000-0x00007FF7AB5F1000-memory.dmp upx behavioral1/memory/5008-20-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/5008-19-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/5008-18-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/2832-36-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/2832-35-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/2832-34-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/2832-33-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral1/memory/2316-30-0x00007FF7AB4A0000-0x00007FF7AB5F1000-memory.dmp upx behavioral1/memory/2852-39-0x00007FF688DC0000-0x00007FF688F11000-memory.dmp upx behavioral1/memory/2316-148-0x00007FF7AB4A0000-0x00007FF7AB5F1000-memory.dmp upx behavioral1/memory/2328-159-0x00007FF7AB4A0000-0x00007FF7AB5F1000-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\Domain WinComboEx.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WinComboEx.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WinComboEx.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WinComboEx.exe - Suspicious behavior: EnumeratesProcesses 42 IoCs
pid Process 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2316 WinComboEx.exe 2316 WinComboEx.exe 2316 WinComboEx.exe 2316 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe 2328 WinComboEx.exe - Suspicious behavior: LoadsDriver 3 IoCs
pid Process 656 Process not Found 656 Process not Found 656 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2328 WinComboEx.exe 2316 WinComboEx.exe - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 2328 WinComboEx.exe 2316 WinComboEx.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2328 WinComboEx.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2852 wrote to memory of 1924 2852 4a3384a86035cc34513f513b6a5ad6e6fa1a9b4b875e79d57f8053f25023736a.exe 86 PID 2852 wrote to memory of 1924 2852 4a3384a86035cc34513f513b6a5ad6e6fa1a9b4b875e79d57f8053f25023736a.exe 86 PID 2852 wrote to memory of 2328 2852 4a3384a86035cc34513f513b6a5ad6e6fa1a9b4b875e79d57f8053f25023736a.exe 87 PID 2328 wrote to memory of 5008 2328 WinComboEx.exe 88 PID 2328 wrote to memory of 5008 2328 WinComboEx.exe 88 PID 2316 wrote to memory of 2832 2316 WinComboEx.exe 93 PID 2316 wrote to memory of 2832 2316 WinComboEx.exe 93 - System policy modification 1 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" WinComboEx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" WinComboEx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" WinComboEx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" WinComboEx.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4a3384a86035cc34513f513b6a5ad6e6fa1a9b4b875e79d57f8053f25023736a.exe"C:\Users\Admin\AppData\Local\Temp\4a3384a86035cc34513f513b6a5ad6e6fa1a9b4b875e79d57f8053f25023736a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Users\Admin\AppData\Local\Temp\4a3384a86035cc34513f513b6a5ad6e6fa1a9b4b875e79d57f8053f25023736a.exe"C:\Users\Admin\AppData\Local\Temp\4a3384a86035cc34513f513b6a5ad6e6fa1a9b4b875e79d57f8053f25023736a.exe"2⤵PID:1924
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C:\ProgramData\Virtual_Windows\WinComboEx.exe"C:\ProgramData\Virtual_Windows\WinComboEx.exe"2⤵
- UAC bypass
- Downloads MZ/PE file
- 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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2328 -
C:\ProgramData\Virtual_Windows\WinComboEx.exe"C:\ProgramData\Virtual_Windows\WinComboEx.exe"3⤵
- Executes dropped EXE
PID:5008
-
-
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C:\ProgramData\Virtual_Windows\Security_Module.datC:\ProgramData\Virtual_Windows\Security_Module.dat1⤵
- Executes dropped EXE
PID:3772
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C:\ProgramData\Virtual_Windows\WinComboEx.exe"C:\ProgramData\Virtual_Windows\WinComboEx.exe"1⤵
- UAC bypass
- 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 WriteProcessMemory
- System policy modification
PID:2316 -
C:\ProgramData\Virtual_Windows\WinComboEx.exe"C:\ProgramData\Virtual_Windows\WinComboEx.exe"2⤵
- Executes dropped EXE
PID:2832
-
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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:4556
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\WinComboEx.exe
- Size 664KB
- SHA256 4a3384a86035cc34513f513b6a5ad6e6fa1a9b4b875e79d57f8053f25023736a
- MD5 efb14a9e7ca709321a6a542ec3ce232a
- SHA1 b1ec77519c64074eb63b7885a0a19e746806089e
- SHA512 5f8208e6a38e640bc75ab82ce762ffdb5cc3d12dac12b23e1eb0d798dcc9f9280fed1e9e8438c8257aa3a731140edd8f6c522febe4e19448de2c6b5697ca6fd0
- SSDEEP 12288:FaSEvXdRmb1k0tsqIZ4oOUkBlH7Jr7so0VrbncjM8Vfc8MDXgdLg8kFe9YO7DhDF:FaQk0Gl4ck/H717sN3cjMaf0Z7O715
- TLSH T165E40282EB5240C1E83F96B954395C1560F6FEAF95FCA03B32A6E30144A316B593787F
- 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 a3cead9c88c4920251e1fccd66dfa60dd5814416b4356d8491e8ee080603485c
- MD5 cee71cc343853529a04b2ebbda1c51d4
- SHA1 acab59f9f343775fc6febc2bde88035402be04f0
- SHA512 7da755b211d2ffa7d2c18ab9897420c657404cd8f2b2294f775ca9de09f3c75bf10477493d908a98553389dfec9f128cf0b12342666dfa91d16c4747fa35e21e
- TLSH T1F2F0E5A01AFD9027F7F309F08BFA4027ACA2B0516D014E290002820D0F23F0ACC67F2E
- MD5 SHA1 SHA512 TLSH