lumma | 672c23cd3376b2b861cb82e629a9782de2f8d7b3a3e763584fdf15335b893388

General

Target
file.exe
Size 1.7MB
Sample241123-becfwatnbv
SHA256 672c23cd3376b2b861cb82e629a9782de2f8d7b3a3e763584fdf15335b893388
MD5 e14b1d1a382de6bf1de7a72d3c920957
SHA1 93b048727b7d1ae6eeb674b6b23930c8a57003d3
SHA512 40e57d7e063fa77ed50f346bd07e48f05996ddc02145e181715610fe4c32d40780f37d69de83c6fe66c1253e7edbadfb51bed29ae98b3d94fcaf9628cbb06b13
SSDEEP 24576:T93FuEjBNHFmDy46R92gWjASW2H1HSfY6+1Og5XPqew/mNmFj1z5uf2HHcbzxRTx:Z3RjRmD16R312HkoBPyQejh0Tb3TNL
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

lumma discovery evasion stealer

Malware Config

Extracted

Family

lumma

C2

https://powerful-avoids.sbs
https://motion-treesz.sbs
https://disobey-curly.sbs
https://leg-sate-boat.sbs
https://story-tense-faz.sbs
https://blade-govern.sbs
https://occupy-blushi.sbs
https://frogs-severz.sbs
https://property-imper.sbs

Extracted

Family

lumma

C2

https://property-imper.sbs/api
https://frogs-severz.sbs/api
https://occupy-blushi.sbs/api
https://blade-govern.sbs/api
https://story-tense-faz.sbs/api
https://leg-sate-boat.sbs/api
https://disobey-curly.sbs/api
https://motion-treesz.sbs/api
https://powerful-avoids.sbs/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Lumma family
lumma

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.exe

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.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4248	file.exe

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4248	file.exe
4248	file.exe

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
PID:4248