Analysis
- max time kernel
148s - max time network
125s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
20/04/2026, 16:08
General
- Target Knuckles.exe
- Size 289KB
- Sample260420-tk74vabz2s
- SHA256 1f98a3f8852d28ed3b2f64e529c1ae1eafc5ef942a962ec89163f3db2744c8a4
Score
6/10
Malware Config
Signatures
- 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.
- 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 AdjustPrivilegeToken 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Knuckles.exe"C:\Users\Admin\AppData\Local\Temp\Knuckles.exe"1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004E4 0x00000000000004E81⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp171D.tmp
tmp4E1C.tmp
tmp850C.tmp
tmpBC2A.tmp
tmpF30A.tmp
memory/3632-7-0x00000265C7670000-0x00000265C771F000-memory.dmp
memory/5048-0-0x0000000000A80000-0x0000000000ACE000-memory.dmp
memory/5048-1-0x00000000056A0000-0x0000000005732000-memory.dmp
memory/5048-4-0x0000000005B30000-0x0000000005B40000-memory.dmp
memory/5048-8-0x0000000005B30000-0x0000000005B40000-memory.dmp
memory/5048-6-0x00000000054B0000-0x00000000055FD000-memory.dmp