Analysis
- max time kernel
899s - max time network
416s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260130-en - resource tags
- submitted
29/04/2026, 11:34
General
- Target mingw32/bin/libbrotlienc.dll
- Size 572KB
- Sample260429-nplhrafs2p
- SHA256 f3f034d8ae1b77a26c0c45f881133c493e31130bed8c9a8fb9566d9159263551
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
- 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\mingw32\bin\libbrotlienc.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mingw32\bin\libbrotlienc.dll,#12⤵
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 6043⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3588 -ip 35881⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3588-1-0x000000006D6C0000-0x000000006D6EA000-memory.dmp
memory/3588-0-0x0000000069180000-0x0000000069216000-memory.dmp
memory/3588-2-0x0000000002890000-0x0000000002963000-memory.dmp