lumma | 65356ac76d8f957aae149b790e52305ea0b285fe157a1e438c4500abc9bb810a

General

Target

65db2eb88c0efcfc9f58d8d7b47320a0N.exe
Size

217KB
MD5

65db2eb88c0efcfc9f58d8d7b47320a0
SHA1

f55df2d7ad79f6ac232cb1734c37ff97184f22fb
SHA256

65356ac76d8f957aae149b790e52305ea0b285fe157a1e438c4500abc9bb810a
SHA512

b1117b8145b9496c5e98b0ed5ab368bd8109f199ddbf5aceca0bcab2c27a8a5212f1c04bb0e066bf20d56ed1f16e50273b1e18ebcf2b6aa9fb124620e9bb6e32
SSDEEP

3072:FUcJWOKIpK3eTm+o21xroGhtypsch2wJYPPEV5g9Mo5yurTisSWWqwdASPF1CoIu:wqpcejo21doGssckZKsZQKTdyu0TCqEO

Score

10^/10

lumma stealc vidar 3cd4672c6baedc17edab0cb86e9453d1 default credential_access discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes

url_path
/c4754d4f680ead72.php

Extracted

Family

vidar

Version

10.8

Botnet

3cd4672c6baedc17edab0cb86e9453d1

C2

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

C2

https://potentioallykeos.shop/api

Signatures

Detect Vidar Stealer 7 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/1504-105-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1504-108-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1504-110-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1504-123-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1504-124-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1504-140-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7
behavioral2/memory/1504-141-0x0000000000400000-0x0000000000641000-memory.dmp	family_vidar_v7

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
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

Processes:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation RegAsm.exe
Executes dropped EXE 2 IoCs

Processes:

AdminBAAAAKJKJE.exeAdminFIDAFIEBFC.exe

pid process

1616 AdminBAAAAKJKJE.exe
3224 AdminFIDAFIEBFC.exe
Loads dropped DLL 2 IoCs

Processes:

RegAsm.exe

pid process

4060 RegAsm.exe
4060 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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	RegAsm.exe

pid	process
1616	AdminBAAAAKJKJE.exe
3224	AdminFIDAFIEBFC.exe

pid	process
4060	RegAsm.exe
4060	RegAsm.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

65db2eb88c0efcfc9f58d8d7b47320a0N.exeAdminBAAAAKJKJE.exeAdminFIDAFIEBFC.exe

description	pid	process	target process
PID 2752 set thread context of 4060	2752	65db2eb88c0efcfc9f58d8d7b47320a0N.exe	RegAsm.exe
PID 1616 set thread context of 2244	1616	AdminBAAAAKJKJE.exe	RegAsm.exe
PID 3224 set thread context of 1504	3224	AdminFIDAFIEBFC.exe	RegAsm.exe

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

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3332 2244 WerFault.exe RegAsm.exe
4540 2244 WerFault.exe RegAsm.exe

pid	pid_target	process	target process
3332	2244	WerFault.exe	RegAsm.exe
4540	2244	WerFault.exe	RegAsm.exe

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

Processes:

RegAsm.exe65db2eb88c0efcfc9f58d8d7b47320a0N.exeRegAsm.execmd.exeAdminBAAAAKJKJE.exeRegAsm.execmd.exeAdminFIDAFIEBFC.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65db2eb88c0efcfc9f58d8d7b47320a0N.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	AdminBAAAAKJKJE.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	AdminFIDAFIEBFC.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

Processes:

RegAsm.exeRegAsm.exe

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

Processes:

RegAsm.exeRegAsm.exe

pid process

4060 RegAsm.exe
4060 RegAsm.exe
4060 RegAsm.exe
4060 RegAsm.exe
1504 RegAsm.exe
1504 RegAsm.exe
1504 RegAsm.exe
1504 RegAsm.exe

pid	process
4060	RegAsm.exe
4060	RegAsm.exe
4060	RegAsm.exe
4060	RegAsm.exe
1504	RegAsm.exe
1504	RegAsm.exe
1504	RegAsm.exe
1504	RegAsm.exe

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

65db2eb88c0efcfc9f58d8d7b47320a0N.exeRegAsm.execmd.exeAdminBAAAAKJKJE.execmd.exeAdminFIDAFIEBFC.exe

description	pid	process	target process
PID 2752 wrote to memory of 4060	2752	65db2eb88c0efcfc9f58d8d7b47320a0N.exe	RegAsm.exe
PID 2752 wrote to memory of 4060	2752	65db2eb88c0efcfc9f58d8d7b47320a0N.exe	RegAsm.exe
PID 2752 wrote to memory of 4060	2752	65db2eb88c0efcfc9f58d8d7b47320a0N.exe	RegAsm.exe
PID 2752 wrote to memory of 4060	2752	65db2eb88c0efcfc9f58d8d7b47320a0N.exe	RegAsm.exe
PID 2752 wrote to memory of 4060	2752	65db2eb88c0efcfc9f58d8d7b47320a0N.exe	RegAsm.exe
PID 2752 wrote to memory of 4060	2752	65db2eb88c0efcfc9f58d8d7b47320a0N.exe	RegAsm.exe
PID 2752 wrote to memory of 4060	2752	65db2eb88c0efcfc9f58d8d7b47320a0N.exe	RegAsm.exe
PID 2752 wrote to memory of 4060	2752	65db2eb88c0efcfc9f58d8d7b47320a0N.exe	RegAsm.exe
PID 2752 wrote to memory of 4060	2752	65db2eb88c0efcfc9f58d8d7b47320a0N.exe	RegAsm.exe
PID 4060 wrote to memory of 1808	4060	RegAsm.exe	cmd.exe
PID 4060 wrote to memory of 1808	4060	RegAsm.exe	cmd.exe
PID 4060 wrote to memory of 1808	4060	RegAsm.exe	cmd.exe
PID 1808 wrote to memory of 1616	1808	cmd.exe	AdminBAAAAKJKJE.exe
PID 1808 wrote to memory of 1616	1808	cmd.exe	AdminBAAAAKJKJE.exe
PID 1808 wrote to memory of 1616	1808	cmd.exe	AdminBAAAAKJKJE.exe
PID 1616 wrote to memory of 2244	1616	AdminBAAAAKJKJE.exe	RegAsm.exe
PID 1616 wrote to memory of 2244	1616	AdminBAAAAKJKJE.exe	RegAsm.exe
PID 1616 wrote to memory of 2244	1616	AdminBAAAAKJKJE.exe	RegAsm.exe
PID 1616 wrote to memory of 2244	1616	AdminBAAAAKJKJE.exe	RegAsm.exe
PID 1616 wrote to memory of 2244	1616	AdminBAAAAKJKJE.exe	RegAsm.exe
PID 1616 wrote to memory of 2244	1616	AdminBAAAAKJKJE.exe	RegAsm.exe
PID 1616 wrote to memory of 2244	1616	AdminBAAAAKJKJE.exe	RegAsm.exe
PID 1616 wrote to memory of 2244	1616	AdminBAAAAKJKJE.exe	RegAsm.exe
PID 1616 wrote to memory of 2244	1616	AdminBAAAAKJKJE.exe	RegAsm.exe
PID 4060 wrote to memory of 4396	4060	RegAsm.exe	cmd.exe
PID 4060 wrote to memory of 4396	4060	RegAsm.exe	cmd.exe
PID 4060 wrote to memory of 4396	4060	RegAsm.exe	cmd.exe
PID 4396 wrote to memory of 3224	4396	cmd.exe	AdminFIDAFIEBFC.exe
PID 4396 wrote to memory of 3224	4396	cmd.exe	AdminFIDAFIEBFC.exe
PID 4396 wrote to memory of 3224	4396	cmd.exe	AdminFIDAFIEBFC.exe
PID 3224 wrote to memory of 1504	3224	AdminFIDAFIEBFC.exe	RegAsm.exe
PID 3224 wrote to memory of 1504	3224	AdminFIDAFIEBFC.exe	RegAsm.exe
PID 3224 wrote to memory of 1504	3224	AdminFIDAFIEBFC.exe	RegAsm.exe
PID 3224 wrote to memory of 1504	3224	AdminFIDAFIEBFC.exe	RegAsm.exe
PID 3224 wrote to memory of 1504	3224	AdminFIDAFIEBFC.exe	RegAsm.exe
PID 3224 wrote to memory of 1504	3224	AdminFIDAFIEBFC.exe	RegAsm.exe
PID 3224 wrote to memory of 1504	3224	AdminFIDAFIEBFC.exe	RegAsm.exe
PID 3224 wrote to memory of 1504	3224	AdminFIDAFIEBFC.exe	RegAsm.exe
PID 3224 wrote to memory of 1504	3224	AdminFIDAFIEBFC.exe	RegAsm.exe
PID 3224 wrote to memory of 1504	3224	AdminFIDAFIEBFC.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\65db2eb88c0efcfc9f58d8d7b47320a0N.exe
"C:\Users\Admin\AppData\Local\Temp\65db2eb88c0efcfc9f58d8d7b47320a0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752

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:4060

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminBAAAAKJKJE.exe"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1808

C:\Users\AdminBAAAAKJKJE.exe
"C:\Users\AdminBAAAAKJKJE.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1616

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:2244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 1224
6⤵
- Program crash
PID:3332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 1252
6⤵
- Program crash
PID:4540

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminFIDAFIEBFC.exe"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4396

C:\Users\AdminFIDAFIEBFC.exe
"C:\Users\AdminFIDAFIEBFC.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3224

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:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2244 -ip 2244
1⤵
PID:548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2244 -ip 2244
1⤵
PID:3624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

4

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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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\AdminBAAAAKJKJE.exe

Filesize
277KB

MD5
8706191b083e3893406221c606f35f6f

SHA1
ba2c5578e4720ce57ad1498bebf5f6c6c2e0f65c

SHA256
04525f7fdcc5b5d6891f0a3ab3b6110b0cec2170d8695561cec9261964c334db

SHA512
3bed02fa46ae4cd79844831ae0c88658cafae4dcf2aefc281c1593cf3010b963c3c4ec23539997682c2326ba3cf3260470a7b1aced4e0cc0976a18b8c866d08f

Download Submit
C:\Users\AdminFIDAFIEBFC.exe

Filesize
191KB

MD5
f03b96b5a46ecbeda6d4616d7a3a5a5f

SHA1
90da4ae7a9cb8220b5c6bf9da2e8514e97201198

SHA256
b44da8b65f59bab4823e857a8d148ba663a99d6ba9d6e88f7db3cddfb1438ac2

SHA512
5c64c1ab62111a7e130c20e78044151ea93cdafe0e189c3e638efe4d571515fa1976ef50a49669c0b37e21c5f7002c05cb7261e55876d08823e197658cd3a0b4

Download Submit
memory/1504-126-0x0000000022810000-0x0000000022A6F000-memory.dmp

Filesize
2.4MB

Download
memory/1504-123-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1504-110-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1504-108-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1504-124-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1504-140-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1504-105-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1504-141-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/1616-95-0x0000000073B90000-0x0000000074340000-memory.dmp

Filesize
7.7MB

Download
memory/1616-88-0x00000000004C0000-0x000000000050A000-memory.dmp

Filesize
296KB

Download
memory/1616-89-0x0000000073B9E000-0x0000000073B9F000-memory.dmp

Filesize
4KB

Download
memory/2244-94-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2244-113-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2244-96-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2244-91-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2752-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2752-9-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2752-7-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2752-1-0x0000000000F60000-0x0000000000F98000-memory.dmp

Filesize
224KB

Download
memory/3224-103-0x00000000002A0000-0x00000000002D4000-memory.dmp

Filesize
208KB

Download
memory/4060-107-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/4060-10-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4060-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/4060-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/4060-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads