Analysis
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max time kernel
151s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 19:39
Static task
static1
Behavioral task
behavioral1
Sample
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe
Resource
win10v2004-20221111-en
General
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Target
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe
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Size
253KB
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MD5
2323306c6ad59fa1fe0ed37d4c4d7d95
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SHA1
9847604b2ee08377403a60a0ebff250a9f67a25b
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SHA256
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27
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SHA512
928b437a875cd88537614db79fe79f18212ed0992dd55e6b056912e09af204ec48815730f7cefcd0293a97a090dfdce7eb7de221e4000c122e5a14fa66fb55c9
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SSDEEP
6144:VdYJZcVnnesd+Nc/SdoPQSZCAJriSu3gv15:UYdMmP/4Su3gv15
Malware Config
Signatures
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Sets file execution options in registry 2 TTPs 2 IoCs
Processes:
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\omylcqksw.exe\DisableExceptionChainValidation c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\omylcqksw.exe c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe -
Checks for any installed AV software in registry 1 TTPs 2 IoCs
Processes:
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Avira c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe -
Drops desktop.ini file(s) 1 IoCs
Processes:
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exedescription ioc process File created C:\ProgramData\CreativeAudio\desktop.ini c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exedescription pid process target process PID 1088 set thread context of 1776 1088 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies registry class 7 IoCs
Processes:
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID\{9431C15C-0430-3147-A0DB-DA1BC3AFC32D} c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID\{9431C15C-0430-3147-A0DB-DA1BC3AFC32D}\0E7302EC c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID\{9431C15C-0430-3147-A0DB-DA1BC3AFC32D}\0E7302EC\CG1\HAL = 05ee0000 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID\{9431C15C-0430-3147-A0DB-DA1BC3AFC32D}\0E7302EC\ê'wt3 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID\{9431C15C-0430-3147-A0DB-DA1BC3AFC32D}\0E7302EC\ê'wt3\BID = 2000080019000b00e607000014000000190001000b002f000000000053168063 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID\{9431C15C-0430-3147-A0DB-DA1BC3AFC32D}\0E7302EC\CG1 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exepid process 1088 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe 1088 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exepid process 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exepid process 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exedescription pid process Token: SeRestorePrivilege 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe Token: SeBackupPrivilege 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe Token: SeDebugPrivilege 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exec35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exedescription pid process target process PID 1088 wrote to memory of 1776 1088 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe PID 1088 wrote to memory of 1776 1088 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe PID 1088 wrote to memory of 1776 1088 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe PID 1088 wrote to memory of 1776 1088 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe PID 1088 wrote to memory of 1776 1088 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe PID 1088 wrote to memory of 1776 1088 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe PID 1088 wrote to memory of 1776 1088 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe PID 1088 wrote to memory of 1776 1088 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe PID 1088 wrote to memory of 1776 1088 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe PID 1088 wrote to memory of 1776 1088 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe PID 1776 wrote to memory of 1320 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe schtasks.exe PID 1776 wrote to memory of 1320 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe schtasks.exe PID 1776 wrote to memory of 1320 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe schtasks.exe PID 1776 wrote to memory of 1320 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe schtasks.exe PID 1776 wrote to memory of 2032 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe WerFault.exe PID 1776 wrote to memory of 2032 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe WerFault.exe PID 1776 wrote to memory of 2032 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe WerFault.exe PID 1776 wrote to memory of 2032 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe WerFault.exe PID 1776 wrote to memory of 2032 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe WerFault.exe PID 1776 wrote to memory of 2032 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe WerFault.exe PID 1776 wrote to memory of 2032 1776 c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe"C:\Users\Admin\AppData\Local\Temp\c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe"C:\Users\Admin\AppData\Local\Temp\c35266f3d22e47e8e31896b3af2d3cddd13451d078e6168d836f21f2a218be27.exe"2⤵
- Sets file execution options in registry
- Checks for any installed AV software in registry
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x0E7302EC" /TR "C:\ProgramData\CreativeAudio\omylcqksw.exe" /RL HIGHEST3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WerFault.exe"C:\Windows\SysWOW64\WerFault.exe"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1088-54-0x0000000074C91000-0x0000000074C93000-memory.dmpFilesize
8KB
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memory/1088-68-0x0000000000230000-0x0000000000257000-memory.dmpFilesize
156KB
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memory/1320-72-0x0000000000000000-mapping.dmp
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memory/1776-60-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1776-70-0x0000000000220000-0x000000000026B000-memory.dmpFilesize
300KB
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memory/1776-57-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1776-62-0x000000000040120A-mapping.dmp
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memory/1776-61-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1776-64-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1776-67-0x0000000000220000-0x000000000026B000-memory.dmpFilesize
300KB
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memory/1776-56-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1776-69-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1776-58-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1776-71-0x00000000003B0000-0x00000000003BB000-memory.dmpFilesize
44KB
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memory/1776-55-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1776-74-0x0000000000220000-0x000000000026B000-memory.dmpFilesize
300KB
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memory/2032-73-0x0000000000000000-mapping.dmp
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memory/2032-75-0x0000000076F20000-0x00000000770A1000-memory.dmpFilesize
1.5MB
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memory/2032-76-0x0000000000090000-0x000000000011E000-memory.dmpFilesize
568KB
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memory/2032-77-0x0000000076F20000-0x00000000770A1000-memory.dmpFilesize
1.5MB
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memory/2032-78-0x0000000000090000-0x000000000011E000-memory.dmpFilesize
568KB