lumma | ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0

Analysis

max time kernel
91s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 09:33

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General

Target

ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe
Size

217KB
MD5

785a37d8d62771cc35c6f5cc145e1219
SHA1

0e35b6c575670d4e8cbe0f13e7a7db9aadc8819f
SHA256

ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0
SHA512

d1fa909e78ba7b9478ffd7f627873a1e0013231cb9436d9f8895b262c7e0ba3efc1225d7d9797cad774062f9781afbdefe72b0ff9b23ddf540869f7b2b11f1be
SSDEEP

3072:iaVZueXuixgt+jZws6YXpNbgdEVKpInNt50IurswoYdWF3SS7AXzpLAGQRRaqtK0:lwHiW+lweoVer5MboYdi/CwR/EO

Score

10^/10

lumma stealc vidar default credential_access discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://46.8.231.109

Attributes

url_path
/c4754d4f680ead72.php

Extracted

Family

vidar

https://t.me/fneogr

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Extracted

Family

lumma

https://condedqpwqm.shop/api

Signatures

Detect Vidar Stealer 7 IoCs

stealer

resource	yara_rule
behavioral2/memory/3716-90-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/3716-94-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/3716-103-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/3716-115-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/3716-116-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/3716-132-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/3716-134-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Stealc
Stealc is an infostealer written in C++.
stealer stealc
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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 2 IoCs

pid	Process
5092	AdminCAKKKJEHDB.exe
696	AdminIIJKJDAFHJ.exe

Loads dropped DLL 2 IoCs

pid	Process
3376	RegAsm.exe
3376	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 3 IoCs

description	pid	Process	procid_target
PID 3400 set thread context of 3376	3400	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	89
PID 5092 set thread context of 3716	5092	AdminCAKKKJEHDB.exe	100
PID 696 set thread context of 4556	696	AdminIIJKJDAFHJ.exe	106

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 2 IoCs

pid	pid_target	Process	procid_target
2824	4556	WerFault.exe	106
3872	4556	WerFault.exe	106

System Location Discovery: System Language Discovery 1 TTPs 8 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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.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	AdminCAKKKJEHDB.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	AdminIIJKJDAFHJ.exe

Checks processor information in registry 2 TTPs 4 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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3376	RegAsm.exe
3376	RegAsm.exe
3376	RegAsm.exe
3376	RegAsm.exe
3716	RegAsm.exe
3716	RegAsm.exe
3716	RegAsm.exe
3716	RegAsm.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 3376	3400	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	89
PID 3400 wrote to memory of 3376	3400	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	89
PID 3400 wrote to memory of 3376	3400	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	89
PID 3400 wrote to memory of 3376	3400	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	89
PID 3400 wrote to memory of 3376	3400	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	89
PID 3400 wrote to memory of 3376	3400	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	89
PID 3400 wrote to memory of 3376	3400	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	89
PID 3400 wrote to memory of 3376	3400	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	89
PID 3400 wrote to memory of 3376	3400	ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe	89
PID 3376 wrote to memory of 2452	3376	RegAsm.exe	94
PID 3376 wrote to memory of 2452	3376	RegAsm.exe	94
PID 3376 wrote to memory of 2452	3376	RegAsm.exe	94
PID 2452 wrote to memory of 5092	2452	cmd.exe	96
PID 2452 wrote to memory of 5092	2452	cmd.exe	96
PID 2452 wrote to memory of 5092	2452	cmd.exe	96
PID 5092 wrote to memory of 4804	5092	AdminCAKKKJEHDB.exe	98
PID 5092 wrote to memory of 4804	5092	AdminCAKKKJEHDB.exe	98
PID 5092 wrote to memory of 4804	5092	AdminCAKKKJEHDB.exe	98
PID 5092 wrote to memory of 4824	5092	AdminCAKKKJEHDB.exe	99
PID 5092 wrote to memory of 4824	5092	AdminCAKKKJEHDB.exe	99
PID 5092 wrote to memory of 4824	5092	AdminCAKKKJEHDB.exe	99
PID 5092 wrote to memory of 3716	5092	AdminCAKKKJEHDB.exe	100
PID 5092 wrote to memory of 3716	5092	AdminCAKKKJEHDB.exe	100
PID 5092 wrote to memory of 3716	5092	AdminCAKKKJEHDB.exe	100
PID 5092 wrote to memory of 3716	5092	AdminCAKKKJEHDB.exe	100
PID 5092 wrote to memory of 3716	5092	AdminCAKKKJEHDB.exe	100
PID 5092 wrote to memory of 3716	5092	AdminCAKKKJEHDB.exe	100
PID 5092 wrote to memory of 3716	5092	AdminCAKKKJEHDB.exe	100
PID 5092 wrote to memory of 3716	5092	AdminCAKKKJEHDB.exe	100
PID 5092 wrote to memory of 3716	5092	AdminCAKKKJEHDB.exe	100
PID 5092 wrote to memory of 3716	5092	AdminCAKKKJEHDB.exe	100
PID 3376 wrote to memory of 2972	3376	RegAsm.exe	101
PID 3376 wrote to memory of 2972	3376	RegAsm.exe	101
PID 3376 wrote to memory of 2972	3376	RegAsm.exe	101
PID 2972 wrote to memory of 696	2972	cmd.exe	103
PID 2972 wrote to memory of 696	2972	cmd.exe	103
PID 2972 wrote to memory of 696	2972	cmd.exe	103
PID 696 wrote to memory of 4556	696	AdminIIJKJDAFHJ.exe	106
PID 696 wrote to memory of 4556	696	AdminIIJKJDAFHJ.exe	106
PID 696 wrote to memory of 4556	696	AdminIIJKJDAFHJ.exe	106
PID 696 wrote to memory of 4556	696	AdminIIJKJDAFHJ.exe	106
PID 696 wrote to memory of 4556	696	AdminIIJKJDAFHJ.exe	106
PID 696 wrote to memory of 4556	696	AdminIIJKJDAFHJ.exe	106
PID 696 wrote to memory of 4556	696	AdminIIJKJDAFHJ.exe	106
PID 696 wrote to memory of 4556	696	AdminIIJKJDAFHJ.exe	106
PID 696 wrote to memory of 4556	696	AdminIIJKJDAFHJ.exe	106

C:\Users\Admin\AppData\Local\Temp\ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe
"C:\Users\Admin\AppData\Local\Temp\ffb0ca6890b94342d54d26250a6c6104b9e916858fb7242b58709f38c65b93b0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3400
- 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:3376
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminCAKKKJEHDB.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2452
  - - C:\Users\AdminCAKKKJEHDB.exe
      "C:\Users\AdminCAKKKJEHDB.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:5092
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        5⤵
        
        PID:4804
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        5⤵
        
        PID:4824
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        
        PID:3716
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminIIJKJDAFHJ.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2972
  - - C:\Users\AdminIIJKJDAFHJ.exe
      "C:\Users\AdminIIJKJDAFHJ.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:696
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4556
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 1336
        6⤵
        Program crash
        
        PID:2824
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 1312
        6⤵
        Program crash
        
        PID:3872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4556 -ip 4556
1⤵
PID:2300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4556 -ip 4556
1⤵
PID:2832

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\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
C:\Users\AdminCAKKKJEHDB.exe

Filesize
294KB

MD5
20c0e4911043acdf83cd6f5818060b6d

SHA1
b38d5071947e729ea05caa84958b515b53da5db6

SHA256
656c58153302a82bdc4994a170163628f1aedd101b0efe6471b5af0d4173c1f5

SHA512
aece9c46c5274e3660016d2795ccc0eae9578fa40ec39679e8385398675fcfbc2d08d7ed105cbafb75ced2224ee8e76720e2bf41d2c25f4a7992fa245b71543b

Download Submit
C:\Users\AdminIIJKJDAFHJ.exe

Filesize
345KB

MD5
197d0030a586a58018e1b782ad30aac2

SHA1
b1f31df2a1325581b42d721175192b34454075b3

SHA256
b713e25a919ff9981e87d770ef46432843c3ffdb3d395564a7dc65bb55fa420e

SHA512
8d01bff9ebb6795b85c143aac184f04b0483e2a2ddcd6aeaf5fe491521ad96f2756c6e9162fbff941f6e22712d5975d88fa14a32cc0b59269335b5efed2d49e5

Download Submit
memory/696-107-0x0000000000880000-0x00000000008DA000-memory.dmp

Filesize
360KB

Download
memory/3376-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3376-9-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3376-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3376-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3376-108-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3400-7-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3400-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/3400-1-0x00000000004D0000-0x000000000050A000-memory.dmp

Filesize
232KB

Download
memory/3400-102-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3716-94-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/3716-115-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/3716-103-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/3716-134-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/3716-90-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/3716-132-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/3716-118-0x00000000223D0000-0x000000002262F000-memory.dmp

Filesize
2.4MB

Download
memory/3716-116-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4556-112-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4556-114-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4556-110-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/5092-101-0x0000000072BA0000-0x0000000073350000-memory.dmp

Filesize
7.7MB

Download
memory/5092-87-0x0000000072BAE000-0x0000000072BAF000-memory.dmp

Filesize
4KB

Download
memory/5092-88-0x0000000000BC0000-0x0000000000C0E000-memory.dmp

Filesize
312KB

Download
memory/5092-92-0x0000000072BA0000-0x0000000073350000-memory.dmp

Filesize
7.7MB

Download