lumma | f75acf936390f89239c43552717efb65c4c3190b16a7eec62dcd0053a045e91d

Analysis

max time kernel
39s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2024 17:04

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General

Target

file.exe
Size

403KB
MD5

2cce29d734ea1d227b338834698e2de4
SHA1

41700cd1bcf5f5bcca81ce722ed47fc17bd030c2
SHA256

f75acf936390f89239c43552717efb65c4c3190b16a7eec62dcd0053a045e91d
SHA512

ea0b440113a225764b38ae2526a10f7e4f3081e4a353e9831cf0e846ac7ba97ea7c2b4a12ab6fac5708a7855da8967f1b6bc661757dc68d819d11887a6af20b5
SSDEEP

6144:O+0dGgr04h1LBuTmcYz43wUDPNvms5PYYzX3oYbEU6DsV4+1/QSyiZEO:30d/h1LBK13wUjx5QYTo0EUBVSS/EO

Score

10^/10

lumma vidar e90840a846d017e7b095f7543cdf2d15 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

e90840a846d017e7b095f7543cdf2d15

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://ghostreedmnu.shop/api

https://gutterydhowi.shop/api

https://offensivedzvju.shop/api

Signatures

Detect Vidar Stealer 17 IoCs

stealer

resource	yara_rule
behavioral2/memory/3380-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3380-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3380-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3380-20-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3380-22-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3380-38-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3380-39-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3380-55-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3380-56-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3380-80-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3380-81-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3380-88-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3380-89-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4956-143-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4956-144-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4956-159-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4956-160-0x0000000000400000-0x0000000000676000-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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 2 IoCs

pid	Process
3040	EHJDGCBGDB.exe
4336	BFCGDAAKFH.exe

Loads dropped DLL 2 IoCs

pid	Process
3380	RegAsm.exe
3380	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 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 3 IoCs

description	pid	Process	procid_target
PID 5088 set thread context of 3380	5088	file.exe	84
PID 3040 set thread context of 4388	3040	EHJDGCBGDB.exe	96
PID 4336 set thread context of 4956	4336	BFCGDAAKFH.exe	101

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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BFCGDAAKFH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
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	EHJDGCBGDB.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
1188	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3380	RegAsm.exe
3380	RegAsm.exe
3380	RegAsm.exe
3380	RegAsm.exe
3380	RegAsm.exe
3380	RegAsm.exe
3380	RegAsm.exe
3380	RegAsm.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 2504	5088	file.exe	83
PID 5088 wrote to memory of 2504	5088	file.exe	83
PID 5088 wrote to memory of 2504	5088	file.exe	83
PID 5088 wrote to memory of 3380	5088	file.exe	84
PID 5088 wrote to memory of 3380	5088	file.exe	84
PID 5088 wrote to memory of 3380	5088	file.exe	84
PID 5088 wrote to memory of 3380	5088	file.exe	84
PID 5088 wrote to memory of 3380	5088	file.exe	84
PID 5088 wrote to memory of 3380	5088	file.exe	84
PID 5088 wrote to memory of 3380	5088	file.exe	84
PID 5088 wrote to memory of 3380	5088	file.exe	84
PID 5088 wrote to memory of 3380	5088	file.exe	84
PID 5088 wrote to memory of 3380	5088	file.exe	84
PID 3380 wrote to memory of 3040	3380	RegAsm.exe	93
PID 3380 wrote to memory of 3040	3380	RegAsm.exe	93
PID 3380 wrote to memory of 3040	3380	RegAsm.exe	93
PID 3040 wrote to memory of 4388	3040	EHJDGCBGDB.exe	96
PID 3040 wrote to memory of 4388	3040	EHJDGCBGDB.exe	96
PID 3040 wrote to memory of 4388	3040	EHJDGCBGDB.exe	96
PID 3040 wrote to memory of 4388	3040	EHJDGCBGDB.exe	96
PID 3040 wrote to memory of 4388	3040	EHJDGCBGDB.exe	96
PID 3040 wrote to memory of 4388	3040	EHJDGCBGDB.exe	96
PID 3040 wrote to memory of 4388	3040	EHJDGCBGDB.exe	96
PID 3040 wrote to memory of 4388	3040	EHJDGCBGDB.exe	96
PID 3040 wrote to memory of 4388	3040	EHJDGCBGDB.exe	96
PID 3380 wrote to memory of 4336	3380	RegAsm.exe	97
PID 3380 wrote to memory of 4336	3380	RegAsm.exe	97
PID 3380 wrote to memory of 4336	3380	RegAsm.exe	97
PID 4336 wrote to memory of 1492	4336	BFCGDAAKFH.exe	99
PID 4336 wrote to memory of 1492	4336	BFCGDAAKFH.exe	99
PID 4336 wrote to memory of 1492	4336	BFCGDAAKFH.exe	99
PID 4336 wrote to memory of 1876	4336	BFCGDAAKFH.exe	100
PID 4336 wrote to memory of 1876	4336	BFCGDAAKFH.exe	100
PID 4336 wrote to memory of 1876	4336	BFCGDAAKFH.exe	100
PID 4336 wrote to memory of 4956	4336	BFCGDAAKFH.exe	101
PID 4336 wrote to memory of 4956	4336	BFCGDAAKFH.exe	101
PID 4336 wrote to memory of 4956	4336	BFCGDAAKFH.exe	101
PID 4336 wrote to memory of 4956	4336	BFCGDAAKFH.exe	101
PID 4336 wrote to memory of 4956	4336	BFCGDAAKFH.exe	101
PID 4336 wrote to memory of 4956	4336	BFCGDAAKFH.exe	101
PID 4336 wrote to memory of 4956	4336	BFCGDAAKFH.exe	101
PID 4336 wrote to memory of 4956	4336	BFCGDAAKFH.exe	101
PID 4336 wrote to memory of 4956	4336	BFCGDAAKFH.exe	101
PID 4336 wrote to memory of 4956	4336	BFCGDAAKFH.exe	101

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:5088
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2504
- 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:3380
- - C:\ProgramData\EHJDGCBGDB.exe
    "C:\ProgramData\EHJDGCBGDB.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3040
  - - 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:4388
- - C:\ProgramData\BFCGDAAKFH.exe
    "C:\ProgramData\BFCGDAAKFH.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4336
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:1492
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:1876
  - - 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:4956
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BKKFCFBKFCFB" & exit
    3⤵
    PID:4368
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      Delays execution with timeout.exe
      PID:1188

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\BFCGDAAKFH.exe

Filesize
403KB

MD5
2cce29d734ea1d227b338834698e2de4

SHA1
41700cd1bcf5f5bcca81ce722ed47fc17bd030c2

SHA256
f75acf936390f89239c43552717efb65c4c3190b16a7eec62dcd0053a045e91d

SHA512
ea0b440113a225764b38ae2526a10f7e4f3081e4a353e9831cf0e846ac7ba97ea7c2b4a12ab6fac5708a7855da8967f1b6bc661757dc68d819d11887a6af20b5

Download Submit
C:\ProgramData\ECGHJJEHDHCA\BKKFCF

Filesize
160KB

MD5
f310cf1ff562ae14449e0167a3e1fe46

SHA1
85c58afa9049467031c6c2b17f5c12ca73bb2788

SHA256
e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

SHA512
1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

Download Submit
C:\ProgramData\EHJDGCBGDB.exe

Filesize
376KB

MD5
16f5b27c9e1376c17b03bf8c5090db3c

SHA1
676145ab7ca93e0463b931e6a056804b8f42119e

SHA256
7952e7769a991c349cc092b9cb3d1505405e793b526f49c784c343dd7d3cd227

SHA512
23fe6e23e80257469c09ba68b2c78ee6b3c03700e8173eff4e2ca94964ad3ab8f2b0cb20dd01e483bf6b7d8de1138bc946cebba6bec10d78e7ccec6dc0c3cb5e

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
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619

Filesize
471B

MD5
2d2427308444f4dcf76ef7d3a4a15671

SHA1
412f4955f05a781cf68b68ead5fc908f986410d5

SHA256
a5ee25390d9316d1996a3f52ed43a3523dcae3803d1127f546a3a9337eea9b32

SHA512
d9fd366db9e0728f630d5845e0ac3132c2f337c57efcede1a53193a5a6f19a9c0e3cea80122a3de6ca95b6054f3d4daf53a920f0278dc8f233f6745afadd3a7f

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619

Filesize
400B

MD5
b6164f0ef23a3e1e26ca03e5eae2cdfc

SHA1
93ec681aa2906043d1a24f7433a64790b984253c

SHA256
39989aea55cd5eaa5094555cd6f1d40190ad2e22c16ad5ebcf561f189ce4f570

SHA512
c9fee450f559628cb30b9074cb0e7cfb14d7e0d763a52a836d1dab5bec3be0282749799ee3c79657b97755e3895bc75af3470894800548f693e7e6304516ada3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\WLXU5DI6\76561199780418869[1].htm

Filesize
33KB

MD5
ec4bd0b6a66754d4c60901b19848d16f

SHA1
cd4dcd193fc92c1c080ab36296e6975288b98585

SHA256
92275395408d78b65f9ba07e6b846e6e0eada71a9d96b1f4798cffa50e6e77b6

SHA512
c9739dd5f76d15f800e11e2e812d4c9f500c4db68f7ac0c1007d36387ac74c19e02b334de3c918f5ec2467e0c5c3b34d3579b9036bb16548cc77498228da9242

Download Submit
memory/3040-137-0x0000000072B30000-0x00000000732E0000-memory.dmp

Filesize
7.7MB

Download
memory/3040-114-0x0000000072B30000-0x00000000732E0000-memory.dmp

Filesize
7.7MB

Download
memory/3040-107-0x0000000000800000-0x0000000000862000-memory.dmp

Filesize
392KB

Download
memory/3040-106-0x0000000072B3E000-0x0000000072B3F000-memory.dmp

Filesize
4KB

Download
memory/3380-23-0x00000000203F0000-0x000000002064F000-memory.dmp

Filesize
2.4MB

Download
memory/3380-89-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3380-55-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3380-39-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3380-80-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3380-81-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3380-88-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3380-20-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3380-38-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3380-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3380-22-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3380-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3380-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3380-56-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4388-115-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4388-112-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4388-138-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4388-109-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4956-143-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4956-144-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4956-145-0x0000000022430000-0x000000002268F000-memory.dmp

Filesize
2.4MB

Download
memory/4956-159-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4956-160-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/5088-21-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/5088-11-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/5088-0-0x000000007530E000-0x000000007530F000-memory.dmp

Filesize
4KB

Download
memory/5088-1-0x0000000000D80000-0x0000000000DE8000-memory.dmp

Filesize
416KB

Download