Analysis
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max time kernel
148s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
12-06-2024 11:44
Static task
static1
Behavioral task
behavioral1
Sample
c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe
Resource
win10v2004-20240611-en
General
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Target
c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe
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Size
3.9MB
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MD5
fe1346c94d38693912f3c7f294b866e3
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SHA1
174e68efebb94aae6a463a8e7e85dbd77c3e085f
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SHA256
c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b
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SHA512
bfc7c39490e9c9287701d61e6617199c181cc582f437c263fac95338231998023c715e02266e6f3afd39fea093f5ac51a37d8e3e16db220a8cf480e9f40e4ef4
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SSDEEP
98304:3bZ3zESbiqP06HOJv+8f5IbjcTgFWbm9yoWuz0bs/jry:1EaX84OJv+8RUjcWWbyF0bs/jr
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exeyvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ yvchost.exe -
Checks BIOS information in registry 2 TTPs 6 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exeyvchost.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion yvchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion yvchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate yvchost.exe -
Executes dropped EXE 1 IoCs
Processes:
yvchost.exepid process 2328 yvchost.exe -
Processes:
c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exeyvchost.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA yvchost.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exeyvchost.exedescription ioc process File opened for modification \??\PhysicalDrive0 c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe File opened for modification \??\PhysicalDrive0 yvchost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exeyvchost.exepid process 4080 c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe 2328 yvchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exeyvchost.exepid process 4080 c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe 4080 c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe 2328 yvchost.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exeyvchost.exepid process 4080 c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe 4080 c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe 2328 yvchost.exe 2328 yvchost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exedescription pid process target process PID 4080 wrote to memory of 2328 4080 c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe yvchost.exe PID 4080 wrote to memory of 2328 4080 c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe yvchost.exe PID 4080 wrote to memory of 2328 4080 c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe yvchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe"C:\Users\Admin\AppData\Local\Temp\c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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F:\yvchost.exeF:\yvchost.exe2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\ProgramData\mntempFilesize
16B
MD55adc4b666885a0e9b05906fd55c216c5
SHA1a189b4ff16062241912f571b14d7ef5d3df7a42a
SHA256a12fdcbc4446ed61726ad5c03f72312ff6cb9d27a5ed324f538d66236963d81f
SHA51235435a93b2bded1692551ff97154943c5a283eec8ae125f0e4c15dd282a038ea90fe706efc6bbfa7818c4a65154314020b9604d3ad756efe405718ed40f76f64
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F:\yvchost.exeFilesize
3.9MB
MD5fe1346c94d38693912f3c7f294b866e3
SHA1174e68efebb94aae6a463a8e7e85dbd77c3e085f
SHA256c074458d1518d60a2dcfa6cfa575dfd7f58cfe31934cd92b1095c4529964433b
SHA512bfc7c39490e9c9287701d61e6617199c181cc582f437c263fac95338231998023c715e02266e6f3afd39fea093f5ac51a37d8e3e16db220a8cf480e9f40e4ef4
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memory/2328-13-0x0000000000400000-0x0000000000E1F000-memory.dmpFilesize
10.1MB
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memory/2328-12-0x0000000000400000-0x0000000000E1F000-memory.dmpFilesize
10.1MB
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memory/2328-11-0x0000000000400000-0x0000000000E1F000-memory.dmpFilesize
10.1MB
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memory/2328-16-0x0000000000400000-0x0000000000E1F000-memory.dmpFilesize
10.1MB
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memory/4080-1-0x0000000077174000-0x0000000077176000-memory.dmpFilesize
8KB
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memory/4080-0-0x0000000000400000-0x0000000000E1F000-memory.dmpFilesize
10.1MB
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memory/4080-3-0x0000000000400000-0x0000000000E1F000-memory.dmpFilesize
10.1MB
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memory/4080-4-0x0000000000400000-0x0000000000E1F000-memory.dmpFilesize
10.1MB
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memory/4080-5-0x0000000000400000-0x0000000000E1F000-memory.dmpFilesize
10.1MB
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memory/4080-15-0x0000000000400000-0x0000000000E1F000-memory.dmpFilesize
10.1MB