Analysis
- max time kernel
101s - max time network
104s - platform
windows11-21h2_x64 - resource
win11-20250410-en - resource tags
- submitted
27/04/2025, 08:54
General
- Target random.exe
- Size 1.8MB
- Sample250427-ktx6kaxtd1
- SHA256 44fb54593b9b53e72ae6958b73f6b2dc306ff701e660770f8fe915fc6b8db200
Malware Config
Extracted
-
lumma
-
https://clarmodq.top/qoxo
-
https://vgeographys.run/eirq
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https://woodpeckersd.run/glsk
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https://tropiscbs.live/iuwxx
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https://cartograhphy.top/ixau
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https://biosphxere.digital/tqoa
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https://topographky.top/xlak
-
https://climatologfy.top/kbud
-
https://vigorbridgoe.top/banb
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
-
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/2600-0-0x0000000000AF0000-0x0000000000F9C000-memory.dmp
memory/2600-1-0x0000000077186000-0x0000000077188000-memory.dmp
memory/2600-2-0x0000000000AF1000-0x0000000000B1C000-memory.dmp
memory/2600-3-0x0000000000AF0000-0x0000000000F9C000-memory.dmp
memory/2600-4-0x0000000000AF0000-0x0000000000F9C000-memory.dmp