lumma | a9fa29605afd47c0891331b5a0f18ef965342f2b23805405d2365169d131934e

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2025, 18:57

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General

Target

Luna.exe
Size

549KB
MD5

2b3d1b9dfb2460cd41b87954846a0c3d
SHA1

ceade66dfc232c1701e447265171a5c94808738e
SHA256

91873ab0956c49f36c5e2d7842af8f5c7daa3ef41e0c0f6a7863e83f2be0a279
SHA512

066f306fb0c0d357b99e056a8446476b1d8b5e611f881386776a0fbfcbd22e6d67db6213fc34238b3964fcfedf1faae83b7c9f0295a61e1e46858820d6ad3df3
SSDEEP

12288:+Y6R+JQXjAnN3ykQO4LHo99mwBT6kIvqEwwLnn7DL0bIB8FRXa:uTARQOSHo99mwtRIv9HnAU49a

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://toppyneedus.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1940 set thread context of 3660	1940	Luna.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1148	1940	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	Luna.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Luna.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 3360	1940	Luna.exe	84
PID 1940 wrote to memory of 3360	1940	Luna.exe	84
PID 1940 wrote to memory of 3360	1940	Luna.exe	84
PID 1940 wrote to memory of 3660	1940	Luna.exe	85
PID 1940 wrote to memory of 3660	1940	Luna.exe	85
PID 1940 wrote to memory of 3660	1940	Luna.exe	85
PID 1940 wrote to memory of 3660	1940	Luna.exe	85
PID 1940 wrote to memory of 3660	1940	Luna.exe	85
PID 1940 wrote to memory of 3660	1940	Luna.exe	85
PID 1940 wrote to memory of 3660	1940	Luna.exe	85
PID 1940 wrote to memory of 3660	1940	Luna.exe	85
PID 1940 wrote to memory of 3660	1940	Luna.exe	85

C:\Users\Admin\AppData\Local\Temp\Luna.exe
"C:\Users\Admin\AppData\Local\Temp\Luna.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Users\Admin\AppData\Local\Temp\Luna.exe
  "C:\Users\Admin\AppData\Local\Temp\Luna.exe"
  2⤵
  PID:3360
- C:\Users\Admin\AppData\Local\Temp\Luna.exe
  "C:\Users\Admin\AppData\Local\Temp\Luna.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3660
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 796
  2⤵
  - Program crash
  PID:1148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1940 -ip 1940
1⤵
PID:1460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1940-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/1940-1-0x0000000000110000-0x00000000001A0000-memory.dmp

Filesize
576KB

Download
memory/1940-2-0x00000000050C0000-0x0000000005664000-memory.dmp

Filesize
5.6MB

Download
memory/1940-7-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/3660-4-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3660-6-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3660-8-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download