lumma | 7b3083941d35440f68405d34098fccca38074d3123f56f39959aa9ee43f8dcdc

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
29/01/2025, 19:48

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General

Target

Nexol/Nexol.exe
Size

473KB
MD5

e7bb20054b7d3e33dd82f82ddc2e8b11
SHA1

8a2cd79e07948d2ea624010d7c7fb78ad249de02
SHA256

5b11c5df562c17c5f60e79b429ca8ed21c919b2615dfe45571fda92f261375cd
SHA512

11f20888be8aa7c1410bad7fe85ab90df852b9e6b465c2f634b2bebc5fdcbb21c0caea7fc4bcfb16ec77a8abd804267354e5c52d52c1e506b12d5ea65c819a43
SSDEEP

12288:npryC8zCrxmLFBWwvC/5h4RrSxVd5B1YVKw:nprygmI/34RUXw

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 1808 set thread context of 4880	1808	Nexol.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1376	1808	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 1808 wrote to memory of 4880	1808	Nexol.exe	82
PID 1808 wrote to memory of 4880	1808	Nexol.exe	82
PID 1808 wrote to memory of 4880	1808	Nexol.exe	82
PID 1808 wrote to memory of 4880	1808	Nexol.exe	82
PID 1808 wrote to memory of 4880	1808	Nexol.exe	82
PID 1808 wrote to memory of 4880	1808	Nexol.exe	82
PID 1808 wrote to memory of 4880	1808	Nexol.exe	82
PID 1808 wrote to memory of 4880	1808	Nexol.exe	82
PID 1808 wrote to memory of 4880	1808	Nexol.exe	82

C:\Users\Admin\AppData\Local\Temp\Nexol\Nexol.exe
"C:\Users\Admin\AppData\Local\Temp\Nexol\Nexol.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Users\Admin\AppData\Local\Temp\Nexol\Nexol.exe
  "C:\Users\Admin\AppData\Local\Temp\Nexol\Nexol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 812
  2⤵
  - Program crash
  PID:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1808 -ip 1808
1⤵
PID:400

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/1808-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/1808-1-0x0000000000DC0000-0x0000000000E3E000-memory.dmp

Filesize
504KB

Download
memory/1808-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/1808-7-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4880-4-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4880-6-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4880-8-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download