lumma | 59776469143431b5ddf203e169ed86915ff04fff5ff8e7231a53472c043eabf4

Analysis

max time kernel
95s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 07:10

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General

Target

file.exe
Size

413KB
MD5

7b5e8e3db2ce9c97f6a8214a4ccd3872
SHA1

e26cc5d9f9489593ae727a3358602d7b963f7f59
SHA256

59776469143431b5ddf203e169ed86915ff04fff5ff8e7231a53472c043eabf4
SHA512

2b4793d855a298b7ca36c7a9d8e5602634ddfc7c675f9bc1462a1c69d1fbd7f269354b73c361f5906da86b577f8c10589cda64acdd1fc1eae624e2ed24da5f98
SSDEEP

6144:RM61zc6W8/LuuBdM5+52YL3TIOwOh9Zc+5FiMwKDD19YPeOVzUZXVe1TnRwhj3AK:RTHW8TuurM5gL8avk253dbe1TnSq+5EO

Score

10^/10

lumma vidar bb7310eab4245006f125c442da2d1e50 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

bb7310eab4245006f125c442da2d1e50

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

lumma

Extracted

Family

lumma

https://questionsmw.store/api

https://soldiefieop.site/api

https://abnomalrkmu.site/api

https://treatynreit.site/api

https://snarlypagowo.site/api

https://mysterisop.site/api

https://absorptioniw.site/api

https://gravvitywio.store/api

Signatures

Detect Vidar Stealer 13 IoCs

stealer

resource	yara_rule
behavioral2/memory/4640-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4640-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4640-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4640-20-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4640-21-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4640-37-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4640-38-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4640-54-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4640-55-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4640-79-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4640-80-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4640-87-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4640-88-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 1 IoCs

pid	Process
3560	CFCFHJDBKJ.exe

Loads dropped DLL 2 IoCs

pid	Process
4640	RegAsm.exe
4640	RegAsm.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2368 set thread context of 4640	2368	file.exe	83
PID 3560 set thread context of 1724	3560	CFCFHJDBKJ.exe	94

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CFCFHJDBKJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1520	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4640	RegAsm.exe
4640	RegAsm.exe
4640	RegAsm.exe
4640	RegAsm.exe
4640	RegAsm.exe
4640	RegAsm.exe
4640	RegAsm.exe
4640	RegAsm.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 4640	2368	file.exe	83
PID 2368 wrote to memory of 4640	2368	file.exe	83
PID 2368 wrote to memory of 4640	2368	file.exe	83
PID 2368 wrote to memory of 4640	2368	file.exe	83
PID 2368 wrote to memory of 4640	2368	file.exe	83
PID 2368 wrote to memory of 4640	2368	file.exe	83
PID 2368 wrote to memory of 4640	2368	file.exe	83
PID 2368 wrote to memory of 4640	2368	file.exe	83
PID 2368 wrote to memory of 4640	2368	file.exe	83
PID 2368 wrote to memory of 4640	2368	file.exe	83
PID 4640 wrote to memory of 3560	4640	RegAsm.exe	91
PID 4640 wrote to memory of 3560	4640	RegAsm.exe	91
PID 4640 wrote to memory of 3560	4640	RegAsm.exe	91
PID 3560 wrote to memory of 1724	3560	CFCFHJDBKJ.exe	94
PID 3560 wrote to memory of 1724	3560	CFCFHJDBKJ.exe	94
PID 3560 wrote to memory of 1724	3560	CFCFHJDBKJ.exe	94
PID 3560 wrote to memory of 1724	3560	CFCFHJDBKJ.exe	94
PID 3560 wrote to memory of 1724	3560	CFCFHJDBKJ.exe	94
PID 3560 wrote to memory of 1724	3560	CFCFHJDBKJ.exe	94
PID 3560 wrote to memory of 1724	3560	CFCFHJDBKJ.exe	94
PID 3560 wrote to memory of 1724	3560	CFCFHJDBKJ.exe	94
PID 3560 wrote to memory of 1724	3560	CFCFHJDBKJ.exe	94
PID 4640 wrote to memory of 4716	4640	RegAsm.exe	95
PID 4640 wrote to memory of 4716	4640	RegAsm.exe	95
PID 4640 wrote to memory of 4716	4640	RegAsm.exe	95
PID 4716 wrote to memory of 1520	4716	cmd.exe	97
PID 4716 wrote to memory of 1520	4716	cmd.exe	97
PID 4716 wrote to memory of 1520	4716	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4640
- - C:\ProgramData\CFCFHJDBKJ.exe
    "C:\ProgramData\CFCFHJDBKJ.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3560
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:1724
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EBFHJEGDAFHI" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4716
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:1520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\CFCFHJDBKJ.exe

Filesize
381KB

MD5
be9e376d9bab656b145a7c8316636903

SHA1
d203d8c541918496d75c6c36c43df8e98cd8aef8

SHA256
43dd8fcf131f4b471d17cbbcf8bd7c0e3c9354d9727e8fe4a8cd763029e4d98c

SHA512
3baff4f6d869f97b4d6d6e1406074b4ee9e227f40ac3234504d4540dd9b4098a7cd9d12083d92df4dd88389166779a67cb9d06257b635674aea21641083e9bbc

Download Submit
C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/1724-109-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1724-103-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1724-106-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2368-7-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/2368-1-0x0000000000060000-0x00000000000C8000-memory.dmp

Filesize
416KB

Download
memory/2368-2-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/2368-0-0x000000007492E000-0x000000007492F000-memory.dmp

Filesize
4KB

Download
memory/2368-13-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/3560-99-0x0000000000940000-0x00000000009A0000-memory.dmp

Filesize
384KB

Download
memory/3560-110-0x00000000738B0000-0x0000000074060000-memory.dmp

Filesize
7.7MB

Download
memory/3560-108-0x00000000738B0000-0x0000000074060000-memory.dmp

Filesize
7.7MB

Download
memory/3560-101-0x00000000738B0000-0x0000000074060000-memory.dmp

Filesize
7.7MB

Download
memory/3560-100-0x00000000738BE000-0x00000000738BF000-memory.dmp

Filesize
4KB

Download
memory/4640-38-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4640-55-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4640-80-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4640-87-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4640-88-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4640-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4640-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4640-79-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4640-54-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4640-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4640-37-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4640-22-0x0000000022800000-0x0000000022A5F000-memory.dmp

Filesize
2.4MB

Download
memory/4640-21-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4640-20-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download