lumma | df5f9d36a731e6dd23c036dc365fe852e2f5ceb865dba753950351b922a03590

Analysis

max time kernel
43s
max time network
46s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2025, 00:40

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General

Target

Loader.exe
Size

30.4MB
MD5

4c9a5353c4d128e5c91f62594541c809
SHA1

4693f7c7a7cb2271a0e586bd6ab9b3e99f1bd078
SHA256

df5f9d36a731e6dd23c036dc365fe852e2f5ceb865dba753950351b922a03590
SHA512

c1fdae552c7c8b497ee82779b05c08db6946565b620cd9c5deb7b521babd3012398cc3e0e0878aa51c0eb4bc1f5b6f6339eed0754a4f8def161b63d11687bbe0
SSDEEP

6144:bWAoFwzNQONDkBahgVWmoPZXOZNcb9s2Gxvh+U0rZOOzqPdYH211IpBB++53XwF5:bFbzyOND0ToEUbOn4UQXzqd9IpBB1u7

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 2784 set thread context of 4472	2784	Loader.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3112	2784	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	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 2784 wrote to memory of 4472	2784	Loader.exe	84
PID 2784 wrote to memory of 4472	2784	Loader.exe	84
PID 2784 wrote to memory of 4472	2784	Loader.exe	84
PID 2784 wrote to memory of 4472	2784	Loader.exe	84
PID 2784 wrote to memory of 4472	2784	Loader.exe	84
PID 2784 wrote to memory of 4472	2784	Loader.exe	84
PID 2784 wrote to memory of 4472	2784	Loader.exe	84
PID 2784 wrote to memory of 4472	2784	Loader.exe	84
PID 2784 wrote to memory of 4472	2784	Loader.exe	84

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:2784
- C:\Users\Admin\AppData\Local\Temp\Loader.exe
  "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 848
  2⤵
  - Program crash
  PID:3112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2784 -ip 2784
1⤵
PID:1088

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

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Downloads

memory/2784-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

Filesize
4KB

Download
memory/2784-1-0x00000000006F0000-0x000000000075A000-memory.dmp

Filesize
424KB

Download
memory/2784-2-0x0000000005620000-0x0000000005BC4000-memory.dmp

Filesize
5.6MB

Download
memory/2784-7-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/4472-5-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4472-6-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4472-8-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4472-9-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download