Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
24/12/2024, 11:38
General
- Target ca7c431abac02cfb1b6b43ed9b3457e3.exe
- Size 1.8MB
- Sample241224-nrpyyswrbk
- SHA256 5a8db8011eec67e7677db586d4ff45cb35f3e2e83dcb6ae5bf8b446666d9aff4
Malware Config
Extracted
-
lumma
Signatures
- Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
- Lumma family
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Suspicious use of NtSetInformationThreadHideFromDebugger 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 behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ca7c431abac02cfb1b6b43ed9b3457e3.exe"C:\Users\Admin\AppData\Local\Temp\ca7c431abac02cfb1b6b43ed9b3457e3.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/4312-0-0x0000000000380000-0x000000000083F000-memory.dmp
memory/4312-1-0x0000000077544000-0x0000000077546000-memory.dmp
memory/4312-2-0x0000000000381000-0x00000000003A8000-memory.dmp
memory/4312-3-0x0000000000380000-0x000000000083F000-memory.dmp
memory/4312-4-0x0000000000380000-0x000000000083F000-memory.dmp
memory/4312-5-0x0000000000380000-0x000000000083F000-memory.dmp