lumma | 6d3cddd9eb85537d7738194faeb6677d786d34433bb4e4090faf4bebbf975232

Analysis

max time kernel
98s
max time network
142s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
06-01-2025 21:56

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General

Target

Nexol.exe
Size

350KB
MD5

3b74f9fa57267f104cad29ae462c591a
SHA1

468d086a35fad0dfbe5ced669a559581f100c087
SHA256

440eb5deff4296eebe9809934b459070125736a3cfb59f989642f7bd15a3ed67
SHA512

dd2eb4e843918d520ff81fb9dff4977fba84d71b05ae0418f11e87b441ba811940a2beea35925cf4b0ecc3be2d24e7e029a1d4ff44c782b53a60a77c9de10324
SSDEEP

6144:CBx0zkVHADVXoPbchIpRKenbVF4r9b/E3FU2GuN6dmlBYpm0ZWRifY3:C/0jK4hIvKprp/aGi6ckhWX3

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/api

Signatures

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

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/1640-1-0x00000000005F0000-0x0000000000650000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1640 set thread context of 4056	1640	Nexol.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2004	1640	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	Nexol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nexol.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 4056	1640	Nexol.exe	83
PID 1640 wrote to memory of 4056	1640	Nexol.exe	83
PID 1640 wrote to memory of 4056	1640	Nexol.exe	83
PID 1640 wrote to memory of 4056	1640	Nexol.exe	83
PID 1640 wrote to memory of 4056	1640	Nexol.exe	83
PID 1640 wrote to memory of 4056	1640	Nexol.exe	83
PID 1640 wrote to memory of 4056	1640	Nexol.exe	83
PID 1640 wrote to memory of 4056	1640	Nexol.exe	83
PID 1640 wrote to memory of 4056	1640	Nexol.exe	83

C:\Users\Admin\AppData\Local\Temp\Nexol.exe
"C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Users\Admin\AppData\Local\Temp\Nexol.exe
  "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 828
  2⤵
  - Program crash
  PID:2004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1640 -ip 1640
1⤵
PID:5044

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/1640-0-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/1640-1-0x00000000005F0000-0x0000000000650000-memory.dmp

Filesize
384KB

Download
memory/1640-2-0x0000000005380000-0x0000000005926000-memory.dmp

Filesize
5.6MB

Download
memory/1640-7-0x0000000074460000-0x0000000074C11000-memory.dmp

Filesize
7.7MB

Download
memory/4056-4-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4056-6-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4056-8-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download