lumma | 7ad095de4171dfb3458752e1f4406b726ea94327e529fd83e2189b8c04ffee86

Analysis

max time kernel
139s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 06:36

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General

Target

file.exe
Size

292KB
MD5

a714209db1b2b68a95e680df111922ed
SHA1

5533ed29bf3239839e6acf03965cf27ddf4f4138
SHA256

7ad095de4171dfb3458752e1f4406b726ea94327e529fd83e2189b8c04ffee86
SHA512

25ce432979995987a26e9442c2c9ac026d55ff9f4820d983ab30496d28a75dec508c4083b11a2433f5bc3c2f903828ed2849aa5542fc7de84394b44a29fbcf55
SSDEEP

6144:V58+UTYNUsagLAxjDbXxw0HVmjE+IPgkeHeNQZzgSEO:1UTqUsJLunxDVm9IIVOw0SEO

Score

10^/10

lumma vidar credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

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://keennylrwmqlw.shop/api

https://licenseodqwmqn.shop/api

https://tendencctywop.shop/api

https://tesecuuweqo.shop/api

https://relaxatinownio.shop/api

https://reggwardssdqw.shop/api

https://eemmbryequo.shop/api

https://tryyudjasudqo.shop/api

Signatures

Detect Vidar Stealer 13 IoCs

stealer

resource	yara_rule
behavioral2/memory/116-4-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/116-9-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/116-11-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/116-23-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/116-24-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/116-40-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/116-41-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/116-57-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/116-58-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/116-82-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/116-83-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/116-90-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/116-91-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 1 IoCs

pid	Process
4588	FBFCAKKKFB.exe

Loads dropped DLL 2 IoCs

pid	Process
116	RegAsm.exe
116	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 2 IoCs

description	pid	Process	procid_target
PID 5036 set thread context of 116	5036	file.exe	89
PID 4588 set thread context of 4400	4588	FBFCAKKKFB.exe	100

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1888	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
116	RegAsm.exe
116	RegAsm.exe
116	RegAsm.exe
116	RegAsm.exe
116	RegAsm.exe
116	RegAsm.exe
116	RegAsm.exe
116	RegAsm.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 2452	5036	file.exe	88
PID 5036 wrote to memory of 2452	5036	file.exe	88
PID 5036 wrote to memory of 2452	5036	file.exe	88
PID 5036 wrote to memory of 116	5036	file.exe	89
PID 5036 wrote to memory of 116	5036	file.exe	89
PID 5036 wrote to memory of 116	5036	file.exe	89
PID 5036 wrote to memory of 116	5036	file.exe	89
PID 5036 wrote to memory of 116	5036	file.exe	89
PID 5036 wrote to memory of 116	5036	file.exe	89
PID 5036 wrote to memory of 116	5036	file.exe	89
PID 5036 wrote to memory of 116	5036	file.exe	89
PID 5036 wrote to memory of 116	5036	file.exe	89
PID 5036 wrote to memory of 116	5036	file.exe	89
PID 116 wrote to memory of 4588	116	RegAsm.exe	97
PID 116 wrote to memory of 4588	116	RegAsm.exe	97
PID 116 wrote to memory of 4588	116	RegAsm.exe	97
PID 4588 wrote to memory of 4400	4588	FBFCAKKKFB.exe	100
PID 4588 wrote to memory of 4400	4588	FBFCAKKKFB.exe	100
PID 4588 wrote to memory of 4400	4588	FBFCAKKKFB.exe	100
PID 4588 wrote to memory of 4400	4588	FBFCAKKKFB.exe	100
PID 4588 wrote to memory of 4400	4588	FBFCAKKKFB.exe	100
PID 4588 wrote to memory of 4400	4588	FBFCAKKKFB.exe	100
PID 4588 wrote to memory of 4400	4588	FBFCAKKKFB.exe	100
PID 4588 wrote to memory of 4400	4588	FBFCAKKKFB.exe	100
PID 4588 wrote to memory of 4400	4588	FBFCAKKKFB.exe	100
PID 116 wrote to memory of 3416	116	RegAsm.exe	101
PID 116 wrote to memory of 3416	116	RegAsm.exe	101
PID 116 wrote to memory of 3416	116	RegAsm.exe	101
PID 3416 wrote to memory of 1888	3416	cmd.exe	103
PID 3416 wrote to memory of 1888	3416	cmd.exe	103
PID 3416 wrote to memory of 1888	3416	cmd.exe	103

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:5036
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2452
- 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:116
- - C:\ProgramData\FBFCAKKKFB.exe
    "C:\ProgramData\FBFCAKKKFB.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4588
  - - 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:4400
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CAEHJEBKFCAK" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3416
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:1888

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\FBFCAKKKFB.exe

Filesize
352KB

MD5
6f4a0ae013610785ad54438f4af26f1a

SHA1
c8ff55002963dde8457db2b11f68e67a070ddb21

SHA256
ccb16a2e8b58be824d838d5607ecd4b07123de87f9fe9e42e64507d77b0f374d

SHA512
6f3a30e8ee4ff36cfaac09bfe1272ed4678783c4628dd82e47dd1ef23d4a8ef1c153a9a4e8951cb38b4c7a833f2bc744dbcc7dac1e550b2f44ffadc8181d8ee3

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/116-11-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/116-41-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/116-90-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/116-9-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/116-83-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/116-23-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/116-24-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/116-25-0x0000000022520000-0x000000002277F000-memory.dmp

Filesize
2.4MB

Download
memory/116-40-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/116-91-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/116-57-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/116-58-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/116-4-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/116-82-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4400-112-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4400-115-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4400-118-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4588-108-0x0000000071B8E000-0x0000000071B8F000-memory.dmp

Filesize
4KB

Download
memory/4588-109-0x0000000000AF0000-0x0000000000B4A000-memory.dmp

Filesize
360KB

Download
memory/4588-110-0x0000000071B80000-0x0000000072330000-memory.dmp

Filesize
7.7MB

Download
memory/4588-117-0x0000000071B80000-0x0000000072330000-memory.dmp

Filesize
7.7MB

Download
memory/5036-1-0x00000000004B0000-0x00000000004FA000-memory.dmp

Filesize
296KB

Download
memory/5036-6-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/5036-2-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/5036-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/5036-7-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download