Analysis
- user interaction
yes - max time kernel
45s - max time network
47s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
- submitted
20/07/2026, 10:38
General
- Target UAV SKR.exe
- Size 15.1MB
- Sample260720-mpm6xae15j
- SHA256 ad80186736e8fce0ae67682ec995d9f583be10e01a7d07242ba9587526ec0b75
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
- Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Deletes itself 1 IoCs
- Executes dropped EXE 3 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Checks whether UAC is enabled 1 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\UAV SKR.exe"C:\Users\Admin\AppData\Local\Temp\UAV SKR.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\ldrupd.bin"C:\Users\Admin\AppData\Local\ldrupd.bin"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\UAV SKR.exe"C:\Users\Admin\AppData\Local\Temp\UAV SKR.exe"3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\SysWOW64\cmd.exe"4⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\SysWOW64\cmd.exe"4⤵
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C:\Users\Admin\AppData\Local\ldrupd.bin"C:\Users\Admin\AppData\Local\ldrupd.bin"4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
UAV SKR.exe
UAV SKR.exe
ldrupd.bin
memory/3520-1-0x0000000140000000-0x0000000142458000-memory.dmp
memory/3520-0-0x0000000140000000-0x0000000142458000-memory.dmp
memory/3520-2-0x0000000140000000-0x0000000142458000-memory.dmp
memory/3520-3-0x0000000140000000-0x0000000142458000-memory.dmp
memory/3520-4-0x0000000140000000-0x0000000142458000-memory.dmp
memory/3520-9-0x0000000140000000-0x0000000142458000-memory.dmp
memory/4448-29-0x0000000000570000-0x0000000000571000-memory.dmp
memory/4448-246-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-24-0x0000000140000000-0x0000000142458000-memory.dmp
memory/4448-25-0x0000000140000000-0x0000000142458000-memory.dmp
memory/4448-26-0x0000000140000000-0x0000000142458000-memory.dmp
memory/4448-27-0x0000000140000000-0x0000000142458000-memory.dmp
memory/4448-28-0x0000000140000000-0x0000000142458000-memory.dmp
memory/4448-21-0x0000000140000000-0x0000000142458000-memory.dmp
memory/4448-250-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-251-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-249-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-248-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-247-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-23-0x0000000140000000-0x0000000142458000-memory.dmp
memory/4448-245-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-243-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-242-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-241-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-240-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-239-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-237-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-244-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-238-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-256-0x0000000002BA0000-0x0000000002BF9000-memory.dmp
memory/4448-257-0x0000000140000000-0x0000000142458000-memory.dmp
memory/4448-22-0x0000000140000000-0x0000000142458000-memory.dmp