lumma | d11c4793f835417aa435ae371646de8a3316991d2c872e1e2bac365dbbef47bc

General

Target
file.exe
Size 1.8MB
Sample241203-ced55stphz
SHA256 d11c4793f835417aa435ae371646de8a3316991d2c872e1e2bac365dbbef47bc
MD5 0f538abe72a5cb312de7817f222ceb2a
SHA1 0f33068e2bf9fe36f3cb5fec2ce9de0ba78ad635
SHA512 ec1fcfc615c295292bd7825e9df342ec8b809ea8c36b1fe22c2f19a5dce5f2f7b56afad32735c5dc21d7dfa12aa2a3f9e9a2a959187601b265b6c2213f52f99d
SSDEEP 49152:vRU8AlURP1ZnxZnYaPDwIaXJZ3784Ua/w+dEfMRWv:vjFLZnV/o/8pa5dEfMRe
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

lumma discovery evasion stealer

Malware Config

Extracted

Family

lumma

C2

https://impend-differ.biz/api
https://print-vexer.biz/api
https://dare-curbys.biz/api
https://covery-mover.biz/api
https://formy-spill.biz/api
https://dwell-exclaim.biz/api
https://zinc-sneark.biz/api
https://se-blurry.biz/api
https://atten-supporse.biz/api

Extracted

Family

lumma

C2

https://atten-supporse.biz/api
https://se-blurry.biz/api
https://zinc-sneark.biz/api
https://dwell-exclaim.biz/api
https://formy-spill.biz/api
https://covery-mover.biz/api
https://dare-curbys.biz/api
https://print-vexer.biz/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-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2372	file.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2884	2372	WerFault.exe	82

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
2372	file.exe
2372	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:2372
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1516
  2⤵
  - Program crash
  PID:2884