lumma | ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5

Analysis

max time kernel
92s
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
28-09-2024 09:54

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General

Target

ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe
Size

5.4MB
MD5

cb001c3f82f9c3386ac03c2718f69ca4
SHA1

4cdf57dcdeb3c3ebbac40f7b5d8846da1a9b3f46
SHA256

ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5
SHA512

42508b96b9339e37766c25b4d826a4b5f2883ace5f51964f70457d33b636bfa1c1421a22751ec0bd856471fb85510512b48ca3486f5593a3720a6582d30f647e
SSDEEP

98304:sZVMlgGcASSOZMajAIuvkD2Lec3PYs7ecbwJMpjva81bkKyNTR1eXzs0cF:AMaGwEaj4vxeMQmecbuTRkzs5

Score

10^/10

lumma vidar adff67a4d89d160d64a32272a3076979 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

adff67a4d89d160d64a32272a3076979

https://t.me/jamsemlg

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

lumma

https://reinforcenh.shop/api

https://stogeneratmns.shop/api

https://fragnantbui.shop/api

https://drawzhotdog.shop/api

https://vozmeatillu.shop/api

https://offensivedzvju.shop/api

https://ghostreedmnu.shop/api

https://gutterydhowi.shop/api

Extracted

Family

lumma

https://offensivedzvju.shop/api

Signatures

Detect Vidar Stealer 11 IoCs

stealer

resource	yara_rule
behavioral2/memory/696-6-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/696-3-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/696-8-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/696-18-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/696-19-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/696-46-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/696-47-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/696-63-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/696-64-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/696-81-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/696-82-0x0000000000400000-0x0000000000B77000-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
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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 1 IoCs

pid	Process
4828	IEGCBAAFHD.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 3 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

Credentials from Web Browsers
T1555.003
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 4264 set thread context of 696	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	86
PID 4828 set thread context of 2936	4828	IEGCBAAFHD.exe	91

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
4284	2936	WerFault.exe	91

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEGCBAAFHD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.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
64	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
696	RegAsm.exe
696	RegAsm.exe
696	RegAsm.exe
696	RegAsm.exe
696	RegAsm.exe
696	RegAsm.exe
696	RegAsm.exe
696	RegAsm.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 3688	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	83
PID 4264 wrote to memory of 3688	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	83
PID 4264 wrote to memory of 3688	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	83
PID 4264 wrote to memory of 4972	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	84
PID 4264 wrote to memory of 4972	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	84
PID 4264 wrote to memory of 4972	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	84
PID 4264 wrote to memory of 3292	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	85
PID 4264 wrote to memory of 3292	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	85
PID 4264 wrote to memory of 3292	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	85
PID 4264 wrote to memory of 696	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	86
PID 4264 wrote to memory of 696	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	86
PID 4264 wrote to memory of 696	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	86
PID 4264 wrote to memory of 696	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	86
PID 4264 wrote to memory of 696	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	86
PID 4264 wrote to memory of 696	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	86
PID 4264 wrote to memory of 696	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	86
PID 4264 wrote to memory of 696	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	86
PID 4264 wrote to memory of 696	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	86
PID 4264 wrote to memory of 696	4264	ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe	86
PID 696 wrote to memory of 4828	696	RegAsm.exe	88
PID 696 wrote to memory of 4828	696	RegAsm.exe	88
PID 696 wrote to memory of 4828	696	RegAsm.exe	88
PID 4828 wrote to memory of 2936	4828	IEGCBAAFHD.exe	91
PID 4828 wrote to memory of 2936	4828	IEGCBAAFHD.exe	91
PID 4828 wrote to memory of 2936	4828	IEGCBAAFHD.exe	91
PID 4828 wrote to memory of 2936	4828	IEGCBAAFHD.exe	91
PID 4828 wrote to memory of 2936	4828	IEGCBAAFHD.exe	91
PID 4828 wrote to memory of 2936	4828	IEGCBAAFHD.exe	91
PID 4828 wrote to memory of 2936	4828	IEGCBAAFHD.exe	91
PID 4828 wrote to memory of 2936	4828	IEGCBAAFHD.exe	91
PID 4828 wrote to memory of 2936	4828	IEGCBAAFHD.exe	91
PID 696 wrote to memory of 4576	696	RegAsm.exe	99
PID 696 wrote to memory of 4576	696	RegAsm.exe	99
PID 696 wrote to memory of 4576	696	RegAsm.exe	99
PID 4576 wrote to memory of 64	4576	cmd.exe	101
PID 4576 wrote to memory of 64	4576	cmd.exe	101
PID 4576 wrote to memory of 64	4576	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe
"C:\Users\Admin\AppData\Local\Temp\ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4264
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:3688
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4972
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:3292
- 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
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:696
- - C:\ProgramData\IEGCBAAFHD.exe
    "C:\ProgramData\IEGCBAAFHD.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4828
  - - 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:2936
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 1352
        5⤵
        Program crash
        
        PID:4284
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KKFBAAFCGIEG" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4576
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:64

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2936 -ip 2936
1⤵
PID:4704

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\HCGCBFHCFC.exe

Filesize
4KB

MD5
d0b2092ac52b68f1cd9dc8733252cad8

SHA1
032b19cfc4e14ac02eed3bf04924e4611b659426

SHA256
f197200ad3cc943f50ea6bdcea70d25fa84be96f6833ccecd35e546542e44259

SHA512
e90ae940bcbf62cabb67c50a278cbe5426fd641a59b4d9044a73cc8532cee68a5204b878d326c4f5af6fb84d1548bab8e5d7b1c2040c3a16edab97044ccca4c5

Download Submit
C:\ProgramData\IEGCBAAFHD.exe

Filesize
371KB

MD5
687846a623c1fe1da95f0fa2fe4479df

SHA1
6609d10980800b669e723d4c660c421e27695a29

SHA256
bfc7b367d52504b184d127e385219006c1efc7e985d608c000e5eb3a204fc779

SHA512
fe150d4f02532ca3d5aa37c6d14741a0a9c0290854ac6924da282ad6585b47bf98e8443aa4281ea89788b8e906f8d11d49b3e88a11e10d4d67b6e2605004a9c3

Download Submit
memory/696-64-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/696-3-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/696-81-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/696-8-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/696-18-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/696-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/696-19-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/696-46-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/696-82-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/696-63-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/696-6-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/696-47-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/2936-117-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2936-102-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2936-99-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2936-105-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4264-11-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/4264-1-0x0000000000C10000-0x000000000117A000-memory.dmp

Filesize
5.4MB

Download
memory/4264-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

Filesize
4KB

Download
memory/4828-96-0x0000000000790000-0x00000000007F0000-memory.dmp

Filesize
384KB

Download
memory/4828-97-0x000000007327E000-0x000000007327F000-memory.dmp

Filesize
4KB

Download
memory/4828-104-0x0000000073270000-0x0000000073A20000-memory.dmp

Filesize
7.7MB

Download