Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/11/2026, 04:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098.exe
Resource
win10v2004-20260911-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098.exe
Resource
win11ltsc2024-20260911-en
16 signatures
150 seconds
General
- Target dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098.exe
- Size 1.7MB
- Sample261108-e3hvcat12r
- SHA256 dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098
- MD5 947dbdeb398876aa19c370b9d797f8b8
- SHA1 8ba88581da9800e08b8a76225ecf7bb4feaef7b5
- SHA512 8362809d68a7e0f8eba3dd95256a330045c55a2faa23081f8e6dc534cc59144c459f5ecee1bcf5c0e0a44d73bc580efb2ef35a03c486b04ad5caf0251acbfd12
- SSDEEP 24576:TLPMZeO0fWRYfUuyn8/8pUEqnF7pmK/yjbqStJa0Q:T/Om5pm8/8pUEqnF7pmK/rSC
- TLSH T1EB855C1378BE93CEE604E3360783E141E4EF9DE55F919FC9A0CAC1E5D4693621E942A3
- 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 7 5112 WinComboExt.exe - Executes dropped EXE 5 IoCs
pid Process 3820 Security_Module.dat 5112 WinComboExt.exe 3456 WinComboExt.exe 2852 WinComboExt.exe 296 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 4720 wscript.exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4176 set thread context of 5228 4176 dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098.exe 89 PID 5112 set thread context of 3456 5112 WinComboExt.exe 95 PID 2852 set thread context of 296 2852 WinComboExt.exe 98 -
resource yara_rule behavioral2/memory/5228-2-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral2/memory/5228-4-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral2/memory/5228-7-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral2/memory/5228-3-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral2/memory/5228-1-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral2/memory/5228-0-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral2/memory/3456-16-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral2/memory/3456-15-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral2/memory/3456-14-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral2/memory/3456-13-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral2/memory/296-25-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral2/memory/296-24-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral2/memory/296-23-0x0000000140000000-0x000000014002C000-memory.dmp upx behavioral2/memory/296-22-0x0000000140000000-0x000000014002C000-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 64 IoCs
pid Process 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 2852 WinComboExt.exe 2852 WinComboExt.exe 2852 WinComboExt.exe 2852 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe - Suspicious behavior: LoadsDriver 3 IoCs
pid Process 816 Process not Found 816 Process not Found 816 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5112 WinComboExt.exe 2852 WinComboExt.exe - Suspicious use of SendNotifyMessage 26 IoCs
pid Process 5112 WinComboExt.exe 2852 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe 5112 WinComboExt.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5112 WinComboExt.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4176 wrote to memory of 5228 4176 dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098.exe 89 PID 4176 wrote to memory of 5228 4176 dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098.exe 89 PID 4176 wrote to memory of 5832 4176 dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098.exe 91 PID 4176 wrote to memory of 5112 4176 dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098.exe 94 PID 5112 wrote to memory of 3456 5112 WinComboExt.exe 95 PID 5112 wrote to memory of 3456 5112 WinComboExt.exe 95 PID 2852 wrote to memory of 296 2852 WinComboExt.exe 98 PID 2852 wrote to memory of 296 2852 WinComboExt.exe 98 - 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\dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098.exe"C:\Users\Admin\AppData\Local\Temp\dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4176 -
C:\Users\Admin\AppData\Local\Temp\dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098.exe"C:\Users\Admin\AppData\Local\Temp\dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098.exe"2⤵PID:5228
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C:\Windows\SYSTEM32\citool.exe"citool.exe" -r2⤵PID:5832
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C:\ProgramData\Virtual_Windows\WinComboExt.exe"C:\ProgramData\Virtual_Windows\WinComboExt.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:5112 -
C:\ProgramData\Virtual_Windows\WinComboExt.exe"C:\ProgramData\Virtual_Windows\WinComboExt.exe"3⤵
- Executes dropped EXE
PID:3456
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C:\ProgramData\Virtual_Windows\Security_Module.datC:\ProgramData\Virtual_Windows\Security_Module.dat1⤵
- Executes dropped EXE
PID:3820
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C:\ProgramData\Virtual_Windows\WinComboExt.exe"C:\ProgramData\Virtual_Windows\WinComboExt.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:2852 -
C:\ProgramData\Virtual_Windows\WinComboExt.exe"C:\ProgramData\Virtual_Windows\WinComboExt.exe"2⤵
- Executes dropped EXE
PID:296
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C:\Windows\system32\wscript.exeC:\Windows\system32\wscript.exe C:\ProgramData\79867305\692FE6C1.vbs1⤵
- Executes a VBScript file via the Windows Script Host.
PID:4720
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\79867305\2D8C92D0.dat
- Size 2B
- SHA256 e79e418e48623569d75e2a7b09ae88ed9b77b126a445b9ff9dc6989a08efa079
- MD5 06d49632c9dc9bcb62aeaef99612ba6b
- SHA1 e91fe173f59b063d620a934ce1a010f2b114c1f3
- SHA512 849b2f3f63322343fddc5a3c8da8f07e4034ee4d5eb210a5ad9db9e33b6aec18dea81836a87f9226a4636c6c77893b0bd3408f6d1fe225bb0907c556a8111355
- MD5 SHA1 SHA512
- Path C:\ProgramData\79867305\9AE0B652.dll
- Size 841KB
- SHA256 775e9b764f3b49cdede3a90f2f97f5003fff3af91ed4d62bf5dbce4af16367a5
- MD5 50042a5847b4e32dfa4b7e4bdadcbb24
- SHA1 9172c3ab0b3ba07ac776d1953dcdaef610b3e90b
- SHA512 5751fe74a705fe1b402d2af5a19f339ed1e5b9fb7cc224150c4bdfd6a6c5ab98aa320ea62149dd76b442fb4597ecd627f74d76b39399f61bfbb9dc69222ef5a6
- SSDEEP 24576:RnMlz2xiiqanhnSpALcvIKPLAYi6U5eUMsfzwzCb:WFXRanCE5cs7wzI
- TLSH T1E6056B13E6A180F9C47FD2748B6ED713BA71B48A2138F64E69A48B113F51E60976F34C
- MD5 SHA1 SHA512 SSDEEP TLSH
- 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 1.7MB
- SHA256 dab19b8c19a963b46a1e1835fcbeca2d89250a90e018f2dc6c481e24efbda098
- MD5 947dbdeb398876aa19c370b9d797f8b8
- SHA1 8ba88581da9800e08b8a76225ecf7bb4feaef7b5
- SHA512 8362809d68a7e0f8eba3dd95256a330045c55a2faa23081f8e6dc534cc59144c459f5ecee1bcf5c0e0a44d73bc580efb2ef35a03c486b04ad5caf0251acbfd12
- SSDEEP 24576:TLPMZeO0fWRYfUuyn8/8pUEqnF7pmK/yjbqStJa0Q:T/Om5pm8/8pUEqnF7pmK/rSC
- TLSH T1EB855C1378BE93CEE604E3360783E141E4EF9DE55F919FC9A0CAC1E5D4693621E942A3
- 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