Analysis
- max time kernel
92s - max time network
101s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
07/10/2024, 03:53
General
- Target file.exe
- Size 1.8MB
- Sample241007-efmvsayarb
- SHA256 b833c19e1c47e6110ac74e5144a328dbb2bd2fca519b3bf211b32730f0f9b9f4
Score
10/10
Malware Config
Extracted
Family
-
lumma
Signatures
- Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
- 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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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/3960-0-0x00000000000C0000-0x000000000055E000-memory.dmp
memory/3960-1-0x0000000077BF4000-0x0000000077BF6000-memory.dmp
memory/3960-2-0x00000000000C1000-0x00000000000E7000-memory.dmp
memory/3960-3-0x00000000000C0000-0x000000000055E000-memory.dmp
memory/3960-4-0x00000000000C0000-0x000000000055E000-memory.dmp