lumma | 46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72

Analysis

max time kernel
94s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-10-2024 21:57

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General

Target

46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe
Size

413KB
MD5

56452ff81a23bdcf4b7110ee2db1c080
SHA1

d0e64ab1986a9756b7c40dde64b19928cde8732a
SHA256

46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72
SHA512

6848eb4079216d3ff9f561afc197535d5f9172b901f3ecc4d7fec3347b4d11af9d3df004ee7ba33fc19153bdf9a4125075e4257ed2a131370e660b2c2e1c6936
SSDEEP

12288:kQ/QeGgqmEcF5P4PoRRS97ruM5uNNkmEO:WeGgqwF7R0yMg1t

Score

10^/10

lumma vidar c31fc52166fceff10179a6e978714ff9 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

c31fc52166fceff10179a6e978714ff9

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 13 IoCs

stealer

resource	yara_rule
behavioral2/memory/908-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/908-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/908-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/908-20-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/908-21-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/908-37-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/908-38-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/908-54-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/908-55-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/908-79-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/908-80-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/908-87-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/908-88-0x0000000000400000-0x0000000000676000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 1 IoCs

pid	Process
4208	GDHIIIIEHC.exe

Loads dropped DLL 2 IoCs

pid	Process
908	RegAsm.exe
908	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 2564 set thread context of 908	2564	46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe	83
PID 4208 set thread context of 2864	4208	GDHIIIIEHC.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
1776	4208	WerFault.exe	89

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	GDHIIIIEHC.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.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 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
1616	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
908	RegAsm.exe
908	RegAsm.exe
908	RegAsm.exe
908	RegAsm.exe
908	RegAsm.exe
908	RegAsm.exe
908	RegAsm.exe
908	RegAsm.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 908	2564	46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe	83
PID 2564 wrote to memory of 908	2564	46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe	83
PID 2564 wrote to memory of 908	2564	46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe	83
PID 2564 wrote to memory of 908	2564	46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe	83
PID 2564 wrote to memory of 908	2564	46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe	83
PID 2564 wrote to memory of 908	2564	46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe	83
PID 2564 wrote to memory of 908	2564	46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe	83
PID 2564 wrote to memory of 908	2564	46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe	83
PID 2564 wrote to memory of 908	2564	46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe	83
PID 2564 wrote to memory of 908	2564	46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe	83
PID 908 wrote to memory of 4208	908	RegAsm.exe	89
PID 908 wrote to memory of 4208	908	RegAsm.exe	89
PID 908 wrote to memory of 4208	908	RegAsm.exe	89
PID 4208 wrote to memory of 2864	4208	GDHIIIIEHC.exe	91
PID 4208 wrote to memory of 2864	4208	GDHIIIIEHC.exe	91
PID 4208 wrote to memory of 2864	4208	GDHIIIIEHC.exe	91
PID 4208 wrote to memory of 2864	4208	GDHIIIIEHC.exe	91
PID 4208 wrote to memory of 2864	4208	GDHIIIIEHC.exe	91
PID 4208 wrote to memory of 2864	4208	GDHIIIIEHC.exe	91
PID 4208 wrote to memory of 2864	4208	GDHIIIIEHC.exe	91
PID 4208 wrote to memory of 2864	4208	GDHIIIIEHC.exe	91
PID 4208 wrote to memory of 2864	4208	GDHIIIIEHC.exe	91
PID 908 wrote to memory of 4620	908	RegAsm.exe	99
PID 908 wrote to memory of 4620	908	RegAsm.exe	99
PID 908 wrote to memory of 4620	908	RegAsm.exe	99
PID 4620 wrote to memory of 1616	4620	cmd.exe	101
PID 4620 wrote to memory of 1616	4620	cmd.exe	101
PID 4620 wrote to memory of 1616	4620	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe
"C:\Users\Admin\AppData\Local\Temp\46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2564
- 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:908
- - C:\ProgramData\GDHIIIIEHC.exe
    "C:\ProgramData\GDHIIIIEHC.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4208
  - - 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:2864
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 236
      4⤵
      Program crash
      PID:1776
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FIECFBAAAFHI" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4620
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:1616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4208 -ip 4208
1⤵
PID:2196

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\GDHIIIIEHC.exe

Filesize
548KB

MD5
3fb4a8def53df7777180f15d80b58c67

SHA1
9636394a400e2f8073d4bc54810ccece2863cfe4

SHA256
b9531ec0e9c23f11af6f6848e649cd59ab9e30c18c9727b8daed496bfa62f8e5

SHA512
331f3b03ca4adf4618ac2f298e4ca72c2141efa3c25070ae875c928e724bdfec921ab385645f54899bbf880715a62b3c355240558db7c25598130a949d4d1cd8

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
memory/908-38-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/908-55-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/908-88-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/908-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/908-87-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/908-20-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/908-21-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/908-23-0x0000000022B50000-0x0000000022DAF000-memory.dmp

Filesize
2.4MB

Download
memory/908-37-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/908-80-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/908-54-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/908-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/908-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/908-79-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2564-2-0x0000000074CC0000-0x0000000075470000-memory.dmp

Filesize
7.7MB

Download
memory/2564-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/2564-6-0x0000000074CC0000-0x0000000075470000-memory.dmp

Filesize
7.7MB

Download
memory/2564-13-0x0000000074CC0000-0x0000000075470000-memory.dmp

Filesize
7.7MB

Download
memory/2564-1-0x00000000003B0000-0x0000000000418000-memory.dmp

Filesize
416KB

Download
memory/2864-103-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2864-105-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2864-106-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2864-107-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4208-102-0x0000000000764000-0x0000000000765000-memory.dmp

Filesize
4KB

Download