Analysis
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max time kernel
594s -
max time network
603s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 08:18
Behavioral task
behavioral1
Sample
Jasi2169 NFO Viewer.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
Techsmith Camtasia Hook/winmm.dll
Resource
win10v2004-20240226-en
General
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Target
Techsmith Camtasia Hook/winmm.dll
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Size
3.3MB
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MD5
65fbcfeeeb2349543b40852a071a57af
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SHA1
55e725af29707b5fc2e6223eb7221a48119e22c6
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SHA256
47e1ca2cc1f871a61341f4db4cb825713f1526aca645f8437153c537e6b4772c
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SHA512
298b9b354611a835f6a818fccc5f5b5e68b423a013e45d804e595d02e9284f45136437372c8581602bc2c42c57cd71e79a308d9614cac0601e086368910aaa2f
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SSDEEP
49152:wyeiKWFQRV+/Lvmf1pH4oaOdHoNIY97d84+Uyxm2nAcxm1Sk+VCG/1+P8X81Q0:wRYCGOdIdT84+zmGNEI1CjPe81Q
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe -
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:
resource yara_rule behavioral2/memory/3216-0-0x00007FFED7EB0000-0x00007FFED8670000-memory.dmp themida behavioral2/memory/3216-2-0x00007FFED7EB0000-0x00007FFED8670000-memory.dmp themida behavioral2/memory/3216-3-0x00007FFED7EB0000-0x00007FFED8670000-memory.dmp themida behavioral2/memory/3216-4-0x00007FFED7EB0000-0x00007FFED8670000-memory.dmp themida -
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 3216 rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Techsmith Camtasia Hook\winmm.dll",#11⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3216
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3692 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:81⤵PID:3568
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1400 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:81⤵PID:4008