Analysis
- max time kernel
149s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
02/11/2026, 02:27
General
- Target 62b8696f0f5cd001bfcdab1d6a91e283e02a5d86a73d75f89958857c522e9dd8.dll
- Size 6.6MB
- Sample261102-cxvwlset8w
- SHA256 62b8696f0f5cd001bfcdab1d6a91e283e02a5d86a73d75f89958857c522e9dd8
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Drops file in System32 directory 1 IoCs
- Direct Volume Access: Opens a physical disk for reading 1 TTPs 2 IoCs
Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\62b8696f0f5cd001bfcdab1d6a91e283e02a5d86a73d75f89958857c522e9dd8.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\62b8696f0f5cd001bfcdab1d6a91e283e02a5d86a73d75f89958857c522e9dd8.dll,#12⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Badlisted process makes network request
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- Direct Volume Access: Opens a physical disk for reading
- System Location Discovery: System Language Discovery
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3216-0-0x0000000073850000-0x0000000074858000-memory.dmp
memory/3216-2-0x0000000073850000-0x0000000074858000-memory.dmp
memory/3216-3-0x0000000073850000-0x0000000074858000-memory.dmp
memory/3216-7-0x0000000073850000-0x0000000074858000-memory.dmp
memory/3216-9-0x0000000073850000-0x0000000074858000-memory.dmp
memory/3216-8-0x0000000073850000-0x0000000074858000-memory.dmp
memory/3216-6-0x0000000073850000-0x0000000074858000-memory.dmp
memory/3216-5-0x0000000073850000-0x0000000074858000-memory.dmp
memory/3216-4-0x0000000073850000-0x0000000074858000-memory.dmp