lumma | fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f

Analysis

max time kernel
134s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2024 14:37

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General

Target

fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe
Size

201KB
MD5

042d82e493fe423500d461823a0c124e
SHA1

c9bbbfcc312a643227a583162d6469ce9f0c61d1
SHA256

fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f
SHA512

debf4c96d01b60779d8f765bed00390d477fa99c79b1aced80f79f2b5d6e3ef94ceb3e4696f71a442b238735f79ea75627544b57bfb30457e55e3a7762a8846a
SSDEEP

3072:hweraIQJSAyBLsKMRMKZRUram+Oxj2/GOxP/V+M4HtpAe/h+Cgh/oCXn/+ExXKYp:hZM3yBianPAFEh/E/oyEO

Score

10^/10

lumma vidar dbd9cbe5987c13eba51899f4a06d17a4 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

10.8

Botnet

dbd9cbe5987c13eba51899f4a06d17a4

https://t.me/jamelwt

https://steamcommunity.com/profiles/76561199761128941

https://t.me/iyigunl

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Extracted

Family

lumma

https://consciousourwi.shop/api

https://potentioallykeos.shop/api

Signatures

Detect Vidar Stealer 13 IoCs

stealer

resource	yara_rule
behavioral2/memory/3468-5-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/3468-3-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/3468-7-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/3468-22-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/3468-23-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/3468-40-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/3468-57-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/3468-41-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/3468-58-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/3468-88-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/3468-89-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/3468-96-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/3468-97-0x0000000000400000-0x0000000000641000-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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	CBFIIEHJDB.exe

Loads dropped DLL 2 IoCs

pid	Process
3468	RegAsm.exe
3468	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 2 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
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 1 IoCs

description	pid	Process	procid_target
PID 4652 set thread context of 3468	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	86

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3200	2744	WerFault.exe	97

System Location Discovery: System Language Discovery 1 TTPs 5 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	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CBFIIEHJDB.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
5068	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3468	RegAsm.exe
3468	RegAsm.exe
3468	RegAsm.exe
3468	RegAsm.exe
3468	RegAsm.exe
3468	RegAsm.exe
3468	RegAsm.exe
3468	RegAsm.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 4264	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	85
PID 4652 wrote to memory of 4264	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	85
PID 4652 wrote to memory of 4264	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	85
PID 4652 wrote to memory of 3468	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	86
PID 4652 wrote to memory of 3468	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	86
PID 4652 wrote to memory of 3468	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	86
PID 4652 wrote to memory of 3468	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	86
PID 4652 wrote to memory of 3468	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	86
PID 4652 wrote to memory of 3468	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	86
PID 4652 wrote to memory of 3468	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	86
PID 4652 wrote to memory of 3468	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	86
PID 4652 wrote to memory of 3468	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	86
PID 4652 wrote to memory of 3468	4652	fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe	86
PID 3468 wrote to memory of 2744	3468	RegAsm.exe	97
PID 3468 wrote to memory of 2744	3468	RegAsm.exe	97
PID 3468 wrote to memory of 2744	3468	RegAsm.exe	97
PID 3468 wrote to memory of 2724	3468	RegAsm.exe	99
PID 3468 wrote to memory of 2724	3468	RegAsm.exe	99
PID 3468 wrote to memory of 2724	3468	RegAsm.exe	99
PID 2724 wrote to memory of 5068	2724	cmd.exe	101
PID 2724 wrote to memory of 5068	2724	cmd.exe	101
PID 2724 wrote to memory of 5068	2724	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe
"C:\Users\Admin\AppData\Local\Temp\fa9a11f8dec297b434a1fe4f9577d3ebefbde696ad8403c8119162605f184b8f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4652
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4264
- 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:3468
- - C:\ProgramData\CBFIIEHJDB.exe
    "C:\ProgramData\CBFIIEHJDB.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2744
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 1120
      4⤵
      Program crash
      PID:3200
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HJKJKKKJJJKJ" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2724
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:5068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2744 -ip 2744
1⤵
PID:4440

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

Replay Monitor

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Downloads

C:\ProgramData\CBFIIEHJDB.exe

Filesize
268KB

MD5
2940325e8be5fab254cee77c311a56e6

SHA1
23ad2839b949ff8a896debac062a8247c4e09d07

SHA256
061036b5e2ffd748b4fabd70da9d58ef1ee73cb36cf582fca45b364c54e51efd

SHA512
157ac04bbb6ef5288356f800320141a5c52e6b5ee842a0f992db9970a5dca674d97a41305612d0bde7956eb361ca7f128c04f3ce879bd86ffd73a882cdf67d47

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/3468-40-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3468-41-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3468-97-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3468-96-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3468-22-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3468-23-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3468-25-0x000000001F6C0000-0x000000001F91F000-memory.dmp

Filesize
2.4MB

Download
memory/3468-89-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3468-57-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3468-7-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3468-58-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3468-3-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3468-5-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3468-88-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/4652-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/4652-12-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/4652-11-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/4652-1-0x0000000000480000-0x00000000004B4000-memory.dmp

Filesize
208KB

Download