lumma | bd19b230e4650d53868b2a5adb9b4cac495b06c6880ee3fd7e3fa87adbb9a282

Analysis

max time kernel
94s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
30/01/2025, 14:21

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General

Target

loader.exe
Size

545KB
MD5

979de771eb4ff270e0348eb4832fd28e
SHA1

41b8177bf912dd148ce33d0f89479a684cc3dddf
SHA256

bd19b230e4650d53868b2a5adb9b4cac495b06c6880ee3fd7e3fa87adbb9a282
SHA512

210842e3a5247ee2f95c9c4b234059354b43b275756c2b8f4c0fdd0bb6b5107ff44ca27a8cb9a14ef94c8d8769ad4341f542a3d9d9b88c54950a2689924d34e7
SSDEEP

12288:lZkEb6EcwNby2j0jZ5hQ0CCpvQJYo2lxrxPNP2:Lby2juZM0V82f1PNO

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 556 set thread context of 828	556	loader.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4032	556	WerFault.exe	81

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	loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	loader.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 556 wrote to memory of 828	556	loader.exe	85
PID 556 wrote to memory of 828	556	loader.exe	85
PID 556 wrote to memory of 828	556	loader.exe	85
PID 556 wrote to memory of 828	556	loader.exe	85
PID 556 wrote to memory of 828	556	loader.exe	85
PID 556 wrote to memory of 828	556	loader.exe	85
PID 556 wrote to memory of 828	556	loader.exe	85
PID 556 wrote to memory of 828	556	loader.exe	85
PID 556 wrote to memory of 828	556	loader.exe	85

C:\Users\Admin\AppData\Local\Temp\loader.exe
"C:\Users\Admin\AppData\Local\Temp\loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:556
- C:\Users\Admin\AppData\Local\Temp\loader.exe
  "C:\Users\Admin\AppData\Local\Temp\loader.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:828
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 556 -s 816
  2⤵
  - Program crash
  PID:4032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 556 -ip 556
1⤵
PID:2584

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/556-0-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

Filesize
4KB

Download
memory/556-1-0x00000000005F0000-0x0000000000680000-memory.dmp

Filesize
576KB

Download
memory/556-2-0x00000000055D0000-0x0000000005B74000-memory.dmp

Filesize
5.6MB

Download
memory/556-7-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/828-4-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/828-6-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/828-8-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download