lumma | 1db1a4c253278293c863dff9759c6577f1b6b5b8f69ac0c612338453eeea96d9

Analysis

max time kernel
93s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2024, 22:36

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General

Target

R3nz_Loader.exe
Size

689KB
MD5

b43d8eca7777b170ddc40a824ab10bb6
SHA1

a7da0bbde621a7df3489b394ee4e5cea963225e6
SHA256

1db1a4c253278293c863dff9759c6577f1b6b5b8f69ac0c612338453eeea96d9
SHA512

54c6ec0681b7e67782c4d142450f84bef5129c4cfa4dfbd70edc63bd3385d8cc9277cdfbcf2c3a8f6c5cb49b9252eb8c46984a65164164886b805e084e6bbb55
SSDEEP

12288:ENvwXTkEVI9HBoDWupxGsFITxLmIJpCbp4/MLq/xgtQS7iBDgCL+ZNNzloh3LouP:ENoXQEV2hozxG0c0bp2Y4oQSW

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

https://fancywaxxers.shop/api

Extracted

Family

lumma

https://fancywaxxers.shop/api

https://abruptyopsn.shop/api

https://wholersorie.shop/api

https://framekgirus.shop/api

https://tirepublicerj.shop/api

https://noisycuttej.shop/api

https://rabidcowse.shop/api

https://cloudewahsj.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

Loads dropped DLL 1 IoCs

pid	Process
692	R3nz_Loader.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 692 set thread context of 3728	692	R3nz_Loader.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2816	692	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	R3nz_Loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_regiis.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 692 wrote to memory of 3728	692	R3nz_Loader.exe	83
PID 692 wrote to memory of 3728	692	R3nz_Loader.exe	83
PID 692 wrote to memory of 3728	692	R3nz_Loader.exe	83
PID 692 wrote to memory of 3728	692	R3nz_Loader.exe	83
PID 692 wrote to memory of 3728	692	R3nz_Loader.exe	83
PID 692 wrote to memory of 3728	692	R3nz_Loader.exe	83
PID 692 wrote to memory of 3728	692	R3nz_Loader.exe	83
PID 692 wrote to memory of 3728	692	R3nz_Loader.exe	83
PID 692 wrote to memory of 3728	692	R3nz_Loader.exe	83
PID 692 wrote to memory of 3728	692	R3nz_Loader.exe	83
PID 692 wrote to memory of 3728	692	R3nz_Loader.exe	83
PID 692 wrote to memory of 3728	692	R3nz_Loader.exe	83
PID 692 wrote to memory of 3728	692	R3nz_Loader.exe	83

C:\Users\Admin\AppData\Local\Temp\R3nz_Loader.exe
"C:\Users\Admin\AppData\Local\Temp\R3nz_Loader.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:692
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3728
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 692 -s 1028
  2⤵
  - Program crash
  PID:2816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 692 -ip 692
1⤵
PID:5092

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

C:\Users\Admin\AppData\Roaming\gdi32.dll

Filesize
433KB

MD5
747539cefb1ef3c38ad756a2f5305097

SHA1
6f5ce5b9d430931164e4b3e57df4c98ea0f82c34

SHA256
05512ca3a16e8d0fb965de8f20e9a9f0b046f3d3384d89d767c4d875182bda3f

SHA512
4a9934bd7a2f8bfec4ddfa0a7e9d24dbdfcee864163804d9b3b726ab16209f1de43a3cbd3e003531758c5c2a68ac21549c3a4df7b6ee1e373d9a0dd8c1f209c6

Download Submit
memory/692-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/692-1-0x00000000008C0000-0x0000000000976000-memory.dmp

Filesize
728KB

Download
memory/692-2-0x0000000005250000-0x0000000005256000-memory.dmp

Filesize
24KB

Download
memory/692-9-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/692-18-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/692-19-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3728-14-0x0000000000D30000-0x0000000000D96000-memory.dmp

Filesize
408KB

Download
memory/3728-10-0x0000000000D30000-0x0000000000D96000-memory.dmp

Filesize
408KB

Download
memory/3728-17-0x0000000000D30000-0x0000000000D96000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads