lumma | 61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-10-2024 14:33

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General

Target

61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe
Size

404KB
MD5

15e48f59b50e093dd715c721cec58a29
SHA1

9e8a996b0a8a3c78b7a90bca971d8dd015d5885c
SHA256

61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710
SHA512

681a6c84a0f2bc8f6d5fe0ce8559b77a9844655385222494ebab191090859415fe7aa88f5834362480a71e982e8c1d02cace1d5b0589693b49495d9face5d497
SSDEEP

6144:hWDZTxXwKjzPrI1UEnjGVqpQduF2dupEzn3ZFunIYUNQ6ZRuR0nXjXzDzgSqqeBj:2Jfajqq8ucd6K3ZFunmHZRu0XXD0JjEO

Score

10^/10

lumma vidar 8a5f3a9817555d8b0b805aaf007d558d credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

8a5f3a9817555d8b0b805aaf007d558d

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

Signatures

Detect Vidar Stealer 15 IoCs

stealer

resource	yara_rule
behavioral2/memory/4948-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-9-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-27-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-28-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-44-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-45-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-54-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-61-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-69-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-70-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-95-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-96-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-103-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4948-104-0x0000000000400000-0x0000000000676000-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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 1 IoCs

pid	Process
3188	BGHCGCAEBF.exe

Loads dropped DLL 2 IoCs

pid	Process
4948	RegAsm.exe
4948	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 2 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 4948	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	91
PID 3188 set thread context of 544	3188	BGHCGCAEBF.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	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BGHCGCAEBF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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
4592	timeout.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe
4948	RegAsm.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2312	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	90
PID 2188 wrote to memory of 2312	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	90
PID 2188 wrote to memory of 2312	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	90
PID 2188 wrote to memory of 4948	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	91
PID 2188 wrote to memory of 4948	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	91
PID 2188 wrote to memory of 4948	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	91
PID 2188 wrote to memory of 4948	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	91
PID 2188 wrote to memory of 4948	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	91
PID 2188 wrote to memory of 4948	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	91
PID 2188 wrote to memory of 4948	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	91
PID 2188 wrote to memory of 4948	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	91
PID 2188 wrote to memory of 4948	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	91
PID 2188 wrote to memory of 4948	2188	61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe	91
PID 4948 wrote to memory of 3188	4948	RegAsm.exe	98
PID 4948 wrote to memory of 3188	4948	RegAsm.exe	98
PID 4948 wrote to memory of 3188	4948	RegAsm.exe	98
PID 3188 wrote to memory of 656	3188	BGHCGCAEBF.exe	100
PID 3188 wrote to memory of 656	3188	BGHCGCAEBF.exe	100
PID 3188 wrote to memory of 656	3188	BGHCGCAEBF.exe	100
PID 3188 wrote to memory of 544	3188	BGHCGCAEBF.exe	101
PID 3188 wrote to memory of 544	3188	BGHCGCAEBF.exe	101
PID 3188 wrote to memory of 544	3188	BGHCGCAEBF.exe	101
PID 3188 wrote to memory of 544	3188	BGHCGCAEBF.exe	101
PID 3188 wrote to memory of 544	3188	BGHCGCAEBF.exe	101
PID 3188 wrote to memory of 544	3188	BGHCGCAEBF.exe	101
PID 3188 wrote to memory of 544	3188	BGHCGCAEBF.exe	101
PID 3188 wrote to memory of 544	3188	BGHCGCAEBF.exe	101
PID 3188 wrote to memory of 544	3188	BGHCGCAEBF.exe	101
PID 4948 wrote to memory of 2804	4948	RegAsm.exe	107
PID 4948 wrote to memory of 2804	4948	RegAsm.exe	107
PID 4948 wrote to memory of 2804	4948	RegAsm.exe	107
PID 2804 wrote to memory of 4592	2804	cmd.exe	109
PID 2804 wrote to memory of 4592	2804	cmd.exe	109
PID 2804 wrote to memory of 4592	2804	cmd.exe	109

C:\Users\Admin\AppData\Local\Temp\61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe
"C:\Users\Admin\AppData\Local\Temp\61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2312
- 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:4948
- - C:\ProgramData\BGHCGCAEBF.exe
    "C:\ProgramData\BGHCGCAEBF.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3188
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:656
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:544
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CGIJECFIECBF" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2804
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:4592

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1036,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=4608 /prefetch:8
1⤵
PID:2628

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=2784,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=2300 /prefetch:3
1⤵
PID:4068

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\BGHCGCAEBF.exe

Filesize
547KB

MD5
62b3c1d62acafeeff56ebc5bbcc447c1

SHA1
ca7c2feec6dc5817050e62b87d6785adaa5f3fde

SHA256
c0be51b97f9294b257c401eeda3810cb3e141aed863482250173ca9315fe2b11

SHA512
5281313310d96d1bf3153064fe3661e4431db6518f0b3bddccb3667b740343732247f3d3eebcf4604f30c8361cb86522be1bc39b824ef2fa0c4fdd50588971d6

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\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

Filesize
40B

MD5
20d4b8fa017a12a108c87f540836e250

SHA1
1ac617fac131262b6d3ce1f52f5907e31d5f6f00

SHA256
6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

SHA512
507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

Download Submit
memory/544-121-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/544-123-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/544-124-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/544-125-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2188-0-0x000000007476E000-0x000000007476F000-memory.dmp

Filesize
4KB

Download
memory/2188-5-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/2188-1-0x0000000000D50000-0x0000000000DBA000-memory.dmp

Filesize
424KB

Download
memory/2188-77-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/3188-119-0x0000000000164000-0x0000000000165000-memory.dmp

Filesize
4KB

Download
memory/4948-69-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-103-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-61-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-54-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-45-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-95-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-96-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-70-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-104-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-44-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-29-0x00000000228B0000-0x0000000022B0F000-memory.dmp

Filesize
2.4MB

Download
memory/4948-28-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-27-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-9-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4948-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download