Analysis
- max time kernel
104s - max time network
105s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
- submitted
28/06/2025, 15:35
General
- Target random.exe
- Size 1.8MB
- Sample250628-s1lecatmx8
- SHA256 c973e2fa8d0674a3a49ba50cca54b2164dd47573d3b7262cb8d339c8a66bc85c
Malware Config
Extracted
-
lumma
-
https://ketxsuz.xyz/xpaw
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https://pacwpw.xyz/qwpr
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https://comkxjs.xyz/taox
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https://unurew.xyz/anhd
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https://trsuv.xyz/gait
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https://sqgzl.xyz/taoa
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https://cexpxg.xyz/airq
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https://urarfx.xyz/twox
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https://liaxn.xyz/nbzh
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build_id
48da53b2c66c0e98dab5561843c12855c320043d2f
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.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- 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 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\random.exe"C:\Users\Admin\AppData\Local\Temp\random.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 v16
Replay Monitor
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Downloads
memory/5376-0-0x0000000000550000-0x0000000000A07000-memory.dmp
memory/5376-1-0x00000000055E0000-0x00000000055E1000-memory.dmp
memory/5376-4-0x0000000005620000-0x0000000005621000-memory.dmp
memory/5376-5-0x0000000005600000-0x0000000005601000-memory.dmp
memory/5376-6-0x00000000055F0000-0x00000000055F1000-memory.dmp
memory/5376-7-0x0000000000550000-0x0000000000A07000-memory.dmp