lumma | 6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba

Analysis

max time kernel
93s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2024 01:35

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General

Target

6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe
Size

413KB
MD5

0ae9f01e5eded4004ce4c0cd58855253
SHA1

780fa2c7b214595373e58216ddefbfec9775cc15
SHA256

6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba
SHA512

560e7d75a0b3a4d6123cb404ff6982041669b3f9e0d714f6c33ee282ab93bcff134f242091dbd023d7b0bb06d9cadb82d0699e9b35657e3eb851b683d6df3097
SSDEEP

12288:npEm3MtV6dpdRW/0L3Yl6mpOgP+3a6ONRrnEO:nph3MtV6x08L3Y/1+30jt

Score

10^/10

lumma vidar b74ef0d8ce56e494b0d83e1d5be9dbeb credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

b74ef0d8ce56e494b0d83e1d5be9dbeb

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

Extracted

Family

lumma

https://beearvagueo.site/api

Signatures

Detect Vidar Stealer 13 IoCs

stealer

resource	yara_rule
behavioral2/memory/1648-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1648-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1648-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1648-20-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1648-21-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1648-37-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1648-38-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1648-54-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1648-55-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1648-79-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1648-80-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1648-90-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1648-91-0x0000000000400000-0x0000000000676000-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 1 IoCs

pid	Process
4196	AFIDGDBGCA.exe

Loads dropped DLL 2 IoCs

pid	Process
1648	RegAsm.exe
1648	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 2392 set thread context of 1648	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	84
PID 4196 set thread context of 2136	4196	AFIDGDBGCA.exe	93

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
2668	4196	WerFault.exe	90

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	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AFIDGDBGCA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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
2252	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1648	RegAsm.exe
1648	RegAsm.exe
1648	RegAsm.exe
1648	RegAsm.exe
1648	RegAsm.exe
1648	RegAsm.exe
1648	RegAsm.exe
1648	RegAsm.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 4548	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	83
PID 2392 wrote to memory of 4548	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	83
PID 2392 wrote to memory of 4548	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	83
PID 2392 wrote to memory of 1648	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	84
PID 2392 wrote to memory of 1648	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	84
PID 2392 wrote to memory of 1648	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	84
PID 2392 wrote to memory of 1648	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	84
PID 2392 wrote to memory of 1648	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	84
PID 2392 wrote to memory of 1648	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	84
PID 2392 wrote to memory of 1648	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	84
PID 2392 wrote to memory of 1648	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	84
PID 2392 wrote to memory of 1648	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	84
PID 2392 wrote to memory of 1648	2392	6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe	84
PID 1648 wrote to memory of 4196	1648	RegAsm.exe	90
PID 1648 wrote to memory of 4196	1648	RegAsm.exe	90
PID 1648 wrote to memory of 4196	1648	RegAsm.exe	90
PID 4196 wrote to memory of 3972	4196	AFIDGDBGCA.exe	92
PID 4196 wrote to memory of 3972	4196	AFIDGDBGCA.exe	92
PID 4196 wrote to memory of 3972	4196	AFIDGDBGCA.exe	92
PID 4196 wrote to memory of 2136	4196	AFIDGDBGCA.exe	93
PID 4196 wrote to memory of 2136	4196	AFIDGDBGCA.exe	93
PID 4196 wrote to memory of 2136	4196	AFIDGDBGCA.exe	93
PID 4196 wrote to memory of 2136	4196	AFIDGDBGCA.exe	93
PID 4196 wrote to memory of 2136	4196	AFIDGDBGCA.exe	93
PID 4196 wrote to memory of 2136	4196	AFIDGDBGCA.exe	93
PID 4196 wrote to memory of 2136	4196	AFIDGDBGCA.exe	93
PID 4196 wrote to memory of 2136	4196	AFIDGDBGCA.exe	93
PID 4196 wrote to memory of 2136	4196	AFIDGDBGCA.exe	93
PID 1648 wrote to memory of 2224	1648	RegAsm.exe	97
PID 1648 wrote to memory of 2224	1648	RegAsm.exe	97
PID 1648 wrote to memory of 2224	1648	RegAsm.exe	97
PID 2224 wrote to memory of 2252	2224	cmd.exe	99
PID 2224 wrote to memory of 2252	2224	cmd.exe	99
PID 2224 wrote to memory of 2252	2224	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe
"C:\Users\Admin\AppData\Local\Temp\6ff9f4b5d76aede34c9c3fc672db0b02b63291630f6b8328c32b593a8ca594ba.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4548
- 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:1648
- - C:\ProgramData\AFIDGDBGCA.exe
    "C:\ProgramData\AFIDGDBGCA.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4196
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:3972
  - - 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:2136
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 316
      4⤵
      Program crash
      PID:2668
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IIEBGIDAAFHI" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2224
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4196 -ip 4196
1⤵
PID:2504

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\AFIDGDBGCA.exe

Filesize
527KB

MD5
a9978b238babe1166131003c1be7bfb8

SHA1
b65655dcab6faa50e7715ea718fcdd2d6cf0e1d6

SHA256
f0f83c1f69adc4ea1557704dc5d9f77f40d418ff244dbc3e0afae8de367b8c21

SHA512
7d43f0663502c6ee033705095e2b133dfb3826174a36a20fd30e70d9f59de6f2ea84599436e88c3a11e27fa78df1e19b741526f10aa8a618a8ddab5a47e6e13e

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/1648-80-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1648-55-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1648-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1648-91-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1648-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1648-20-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1648-21-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1648-23-0x0000000022910000-0x0000000022B6F000-memory.dmp

Filesize
2.4MB

Download
memory/1648-37-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1648-38-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1648-54-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1648-90-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1648-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1648-79-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2136-103-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2136-105-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2136-106-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2392-2-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/2392-0-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/2392-6-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/2392-13-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/2392-1-0x00000000001A0000-0x0000000000208000-memory.dmp

Filesize
416KB

Download
memory/4196-102-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download