lumma | fad264acc346be1e63cd47611cd305cb9c894a13843119e22e87744808295387

Analysis

max time kernel
35s
max time network
36s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 12:44

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General

Target

vidar2806.exe
Size

420KB
MD5

f88272ea7674d3acedd8adcf7643c598
SHA1

0066fd44e2cd9293af414f735bd80456f4e3eb1d
SHA256

fad264acc346be1e63cd47611cd305cb9c894a13843119e22e87744808295387
SHA512

3d3435572767b85307271519a5a51668e284cc9aa0d09bf024aaff31a4b4329bb189c627ceda90ba00f02445f0d34f4de642b30b054ecf9d1ac88babeb113963
SSDEEP

12288:Zh0vCnLVT7zishmwaOF9dJl3AnhpzTly:Z8kLVPzMO9dnQnhZT

Score

10^/10

lumma stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

vidar

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Extracted

Family

lumma

https://potterryisiw.shop/api

https://foodypannyjsud.shop/api

https://contintnetksows.shop/api

https://reinforcedirectorywd.shop/api

Signatures

Detect Vidar Stealer 13 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/3148-1-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/3148-5-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/3148-3-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/3148-17-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/3148-18-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/3148-28-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/3148-29-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/3148-37-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/3148-38-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/3148-54-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/3148-55-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/3148-80-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/3148-81-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7

Lumma Stealer
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
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-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation RegAsm.exe
Executes dropped EXE 1 IoCs

Processes:

JJJJKEHCAK.exe

pid process

2372 JJJJKEHCAK.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
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

Processes:

vidar2806.exeJJJJKEHCAK.exe

description pid process target process

PID 1664 set thread context of 3148 1664 vidar2806.exe RegAsm.exe
PID 2372 set thread context of 4248 2372 JJJJKEHCAK.exe RegAsm.exe
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

4548 1664 WerFault.exe vidar2806.exe
4984 2372 WerFault.exe JJJJKEHCAK.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	RegAsm.exe

pid	process
2372	JJJJKEHCAK.exe

description	pid	process	target process
PID 1664 set thread context of 3148	1664	vidar2806.exe	RegAsm.exe
PID 2372 set thread context of 4248	2372	JJJJKEHCAK.exe	RegAsm.exe

pid	pid_target	process	target process
4548	1664	WerFault.exe	vidar2806.exe
4984	2372	WerFault.exe	JJJJKEHCAK.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

Processes:

RegAsm.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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2572 timeout.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

RegAsm.exe

pid process

3148 RegAsm.exe
3148 RegAsm.exe
3148 RegAsm.exe
3148 RegAsm.exe
3148 RegAsm.exe
3148 RegAsm.exe
3148 RegAsm.exe
3148 RegAsm.exe

pid	process
2572	timeout.exe

pid	process
3148	RegAsm.exe
3148	RegAsm.exe
3148	RegAsm.exe
3148	RegAsm.exe
3148	RegAsm.exe
3148	RegAsm.exe
3148	RegAsm.exe
3148	RegAsm.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

vidar2806.exeRegAsm.exeJJJJKEHCAK.execmd.exe

description	pid	process	target process
PID 1664 wrote to memory of 3148	1664	vidar2806.exe	RegAsm.exe
PID 1664 wrote to memory of 3148	1664	vidar2806.exe	RegAsm.exe
PID 1664 wrote to memory of 3148	1664	vidar2806.exe	RegAsm.exe
PID 1664 wrote to memory of 3148	1664	vidar2806.exe	RegAsm.exe
PID 1664 wrote to memory of 3148	1664	vidar2806.exe	RegAsm.exe
PID 1664 wrote to memory of 3148	1664	vidar2806.exe	RegAsm.exe
PID 1664 wrote to memory of 3148	1664	vidar2806.exe	RegAsm.exe
PID 1664 wrote to memory of 3148	1664	vidar2806.exe	RegAsm.exe
PID 1664 wrote to memory of 3148	1664	vidar2806.exe	RegAsm.exe
PID 3148 wrote to memory of 2372	3148	RegAsm.exe	JJJJKEHCAK.exe
PID 3148 wrote to memory of 2372	3148	RegAsm.exe	JJJJKEHCAK.exe
PID 3148 wrote to memory of 2372	3148	RegAsm.exe	JJJJKEHCAK.exe
PID 2372 wrote to memory of 4248	2372	JJJJKEHCAK.exe	RegAsm.exe
PID 2372 wrote to memory of 4248	2372	JJJJKEHCAK.exe	RegAsm.exe
PID 2372 wrote to memory of 4248	2372	JJJJKEHCAK.exe	RegAsm.exe
PID 2372 wrote to memory of 4248	2372	JJJJKEHCAK.exe	RegAsm.exe
PID 2372 wrote to memory of 4248	2372	JJJJKEHCAK.exe	RegAsm.exe
PID 2372 wrote to memory of 4248	2372	JJJJKEHCAK.exe	RegAsm.exe
PID 2372 wrote to memory of 4248	2372	JJJJKEHCAK.exe	RegAsm.exe
PID 2372 wrote to memory of 4248	2372	JJJJKEHCAK.exe	RegAsm.exe
PID 2372 wrote to memory of 4248	2372	JJJJKEHCAK.exe	RegAsm.exe
PID 3148 wrote to memory of 1564	3148	RegAsm.exe	cmd.exe
PID 3148 wrote to memory of 1564	3148	RegAsm.exe	cmd.exe
PID 3148 wrote to memory of 1564	3148	RegAsm.exe	cmd.exe
PID 1564 wrote to memory of 2572	1564	cmd.exe	timeout.exe
PID 1564 wrote to memory of 2572	1564	cmd.exe	timeout.exe
PID 1564 wrote to memory of 2572	1564	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\vidar2806.exe
"C:\Users\Admin\AppData\Local\Temp\vidar2806.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1664

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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3148

C:\ProgramData\JJJJKEHCAK.exe
"C:\ProgramData\JJJJKEHCAK.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2372

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
4⤵
PID:4248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 292
4⤵
- Program crash
PID:4984

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GDBAKKKFBGDH" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1564

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:2572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1664 -s 284
2⤵
- Program crash
PID:4548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1664 -ip 1664
1⤵
PID:4816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2372 -ip 2372
1⤵
PID:1060

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\ProgramData\JJJJKEHCAK.exe
Filesize
516KB

MD5
0309dd0131150796ea99b30a62194fae

SHA1
2df6e334708eae810a74b844fd57e18e9fdc34cd

SHA256
07c09ba5a84f619e5b83a54298ffc58d20b00f14399c7a94b7f02b70efc60f35

SHA512
3d4e5a0718d04fee92d8040880b631107d1e23a6b3bce430d58769179af999c28b99e50c5cd45f283339f7bbb24ffacbf601a5447edb12e28da4517fbfa282e8

Download Submit
memory/1664-0-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/2372-78-0x0000000001360000-0x0000000001361000-memory.dmp

Filesize
4KB

Download
memory/3148-38-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3148-55-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3148-18-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3148-20-0x0000000022210000-0x000000002246F000-memory.dmp

Filesize
2.4MB

Download
memory/3148-28-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3148-29-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3148-37-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3148-3-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3148-54-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3148-17-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3148-5-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3148-81-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3148-80-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/3148-1-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4248-79-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4248-77-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4248-75-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download