Analysis
- max time kernel
136s - max time network
131s - platform
windows11-21h2_x64 - resource
win11-20240730-en - resource tags
- submitted
02/08/2024, 14:37
General
- Target UltimMC/libLauncher_rainbow.dll
- Size 67KB
- Sample240802-rzb9lsxgrm
- SHA256 b14e80c81dd81f5f5c5d4a3b4f4df3ce36e79a107ed23e25b74ad62836ffefa8
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 3 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libLauncher_rainbow.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libLauncher_rainbow.dll,#12⤵
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 6203⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1144 -ip 11441⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1144-1-0x0000000002330000-0x000000000285F000-memory.dmp
memory/1144-5-0x0000000002331000-0x00000000025D9000-memory.dmp
memory/1144-4-0x0000000002330000-0x000000000285F000-memory.dmp
memory/1144-6-0x0000000002330000-0x000000000285F000-memory.dmp
memory/1144-11-0x000000006FC40000-0x000000006FD41000-memory.dmp
memory/1144-10-0x0000000064940000-0x0000000064954000-memory.dmp
memory/1144-12-0x0000000061940000-0x0000000061EB5000-memory.dmp
memory/1144-9-0x0000000068AC0000-0x0000000068ACC000-memory.dmp
memory/1144-8-0x000000006E940000-0x000000006E964000-memory.dmp
memory/1144-7-0x0000000063400000-0x0000000063415000-memory.dmp