Analysis
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max time kernel
42s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 19:24
Static task
static1
Behavioral task
behavioral1
Sample
d005a8cf301819a46ecbb1d1e5db0bf87951808d141ada5e13ffc4b68155a112.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
d005a8cf301819a46ecbb1d1e5db0bf87951808d141ada5e13ffc4b68155a112.dll
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Size
2.4MB
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MD5
178b3301656b43e46678fbbda58e9af7
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SHA1
83a951b61a9bd2ec003a4004d13023368d1c8d55
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SHA256
d005a8cf301819a46ecbb1d1e5db0bf87951808d141ada5e13ffc4b68155a112
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SHA512
1f8d19dc85164375c22e3ebcf357ad6666c4ccac0b75006cd4bfd7824d3273ba4e3c67ffd1bc2cd261d640da2f5812e2b509f728f1fb771de42f65742a18de0e
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion rundll32.exe -
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
rundll32.exepid process 1664 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 388 wrote to memory of 1664 388 rundll32.exe rundll32.exe PID 388 wrote to memory of 1664 388 rundll32.exe rundll32.exe PID 388 wrote to memory of 1664 388 rundll32.exe rundll32.exe PID 388 wrote to memory of 1664 388 rundll32.exe rundll32.exe PID 388 wrote to memory of 1664 388 rundll32.exe rundll32.exe PID 388 wrote to memory of 1664 388 rundll32.exe rundll32.exe PID 388 wrote to memory of 1664 388 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d005a8cf301819a46ecbb1d1e5db0bf87951808d141ada5e13ffc4b68155a112.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d005a8cf301819a46ecbb1d1e5db0bf87951808d141ada5e13ffc4b68155a112.dll,#12⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1664-54-0x0000000000000000-mapping.dmp
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memory/1664-55-0x0000000075AE1000-0x0000000075AE3000-memory.dmpFilesize
8KB
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memory/1664-56-0x0000000010001000-0x0000000010005000-memory.dmpFilesize
16KB
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memory/1664-57-0x0000000077D80000-0x0000000077F00000-memory.dmpFilesize
1.5MB