lumma | c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef

Analysis

max time kernel
94s
max time network
151s
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 02:58

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General

Target

c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe
Size

551KB
MD5

8bfb30ee9fcc688672099443f55735da
SHA1

417ca809f361db968c71a5955afea5e9a4ade041
SHA256

c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef
SHA512

67ce18028674918cf9b71644706c2c78b660fc294afb5dee248a526827c515d9bed9a9ebba322937f98f88cf70547949daa3bfa8072a1d48aef41d8d0ed8797b
SSDEEP

12288:DOD3oZTCvojeipEXKAGlomZtv9GOH/zNaYN7f/jKHsP:DgCcY6XKj2m1fhBfWG

Score

10^/10

lumma vidar credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

http://proxy.johnmccrea.com/

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://spirittunek.store/api

https://mobbipenju.store/api

https://eaglepawnoy.store/api

https://dissapoiznw.store/api

https://studennotediw.store/api

https://bathdoomgaz.store/api

Signatures

Detect Vidar Stealer 15 IoCs

stealer

resource	yara_rule
behavioral2/memory/2760-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-25-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-26-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-42-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-43-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-71-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-72-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-79-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-80-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-81-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2760-100-0x0000000000400000-0x0000000000676000-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

Executes dropped EXE 1 IoCs

pid	Process
1420	HCFIJKKKKK.exe

Loads dropped DLL 2 IoCs

pid	Process
2760	MSBuild.exe
2760	MSBuild.exe

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 2760	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	83
PID 1420 set thread context of 4668	1420	HCFIJKKKKK.exe	98

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1588	2856	WerFault.exe	81
2880	1420	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	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HCFIJKKKKK.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	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4160	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2760	MSBuild.exe
2760	MSBuild.exe
2760	MSBuild.exe
2760	MSBuild.exe
2760	MSBuild.exe
2760	MSBuild.exe
2760	MSBuild.exe
2760	MSBuild.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 4996	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	82
PID 2856 wrote to memory of 4996	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	82
PID 2856 wrote to memory of 4996	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	82
PID 2856 wrote to memory of 2760	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	83
PID 2856 wrote to memory of 2760	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	83
PID 2856 wrote to memory of 2760	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	83
PID 2856 wrote to memory of 2760	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	83
PID 2856 wrote to memory of 2760	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	83
PID 2856 wrote to memory of 2760	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	83
PID 2856 wrote to memory of 2760	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	83
PID 2856 wrote to memory of 2760	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	83
PID 2856 wrote to memory of 2760	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	83
PID 2856 wrote to memory of 2760	2856	c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe	83
PID 2760 wrote to memory of 1420	2760	MSBuild.exe	91
PID 2760 wrote to memory of 1420	2760	MSBuild.exe	91
PID 2760 wrote to memory of 1420	2760	MSBuild.exe	91
PID 1420 wrote to memory of 5064	1420	HCFIJKKKKK.exe	93
PID 1420 wrote to memory of 5064	1420	HCFIJKKKKK.exe	93
PID 1420 wrote to memory of 5064	1420	HCFIJKKKKK.exe	93
PID 1420 wrote to memory of 808	1420	HCFIJKKKKK.exe	94
PID 1420 wrote to memory of 808	1420	HCFIJKKKKK.exe	94
PID 1420 wrote to memory of 808	1420	HCFIJKKKKK.exe	94
PID 1420 wrote to memory of 2376	1420	HCFIJKKKKK.exe	95
PID 1420 wrote to memory of 2376	1420	HCFIJKKKKK.exe	95
PID 1420 wrote to memory of 2376	1420	HCFIJKKKKK.exe	95
PID 1420 wrote to memory of 4396	1420	HCFIJKKKKK.exe	96
PID 1420 wrote to memory of 4396	1420	HCFIJKKKKK.exe	96
PID 1420 wrote to memory of 4396	1420	HCFIJKKKKK.exe	96
PID 1420 wrote to memory of 1760	1420	HCFIJKKKKK.exe	97
PID 1420 wrote to memory of 1760	1420	HCFIJKKKKK.exe	97
PID 1420 wrote to memory of 1760	1420	HCFIJKKKKK.exe	97
PID 1420 wrote to memory of 4668	1420	HCFIJKKKKK.exe	98
PID 1420 wrote to memory of 4668	1420	HCFIJKKKKK.exe	98
PID 1420 wrote to memory of 4668	1420	HCFIJKKKKK.exe	98
PID 1420 wrote to memory of 4668	1420	HCFIJKKKKK.exe	98
PID 1420 wrote to memory of 4668	1420	HCFIJKKKKK.exe	98
PID 1420 wrote to memory of 4668	1420	HCFIJKKKKK.exe	98
PID 1420 wrote to memory of 4668	1420	HCFIJKKKKK.exe	98
PID 1420 wrote to memory of 4668	1420	HCFIJKKKKK.exe	98
PID 1420 wrote to memory of 4668	1420	HCFIJKKKKK.exe	98
PID 2760 wrote to memory of 2836	2760	MSBuild.exe	106
PID 2760 wrote to memory of 2836	2760	MSBuild.exe	106
PID 2760 wrote to memory of 2836	2760	MSBuild.exe	106
PID 2836 wrote to memory of 4160	2836	cmd.exe	108
PID 2836 wrote to memory of 4160	2836	cmd.exe	108
PID 2836 wrote to memory of 4160	2836	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe
"C:\Users\Admin\AppData\Local\Temp\c4ff9b4427d663d65d013c66a7f3f660fda0f0638916cb9aa1f55a418e2f05ef.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:4996
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\ProgramData\HCFIJKKKKK.exe
    "C:\ProgramData\HCFIJKKKKK.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1420
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:5064
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:808
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:2376
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:4396
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:1760
  - - 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:4668
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 300
      4⤵
      Program crash
      PID:2880
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CBFIJEGIDBGI" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2836
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:4160
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 272
  2⤵
  - Program crash
  PID:1588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2856 -ip 2856
1⤵
PID:1728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1420 -ip 1420
1⤵
PID:3576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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\HCFIJKKKKK.exe

Filesize
518KB

MD5
b989f3ed779705f097816b86ca3f52bd

SHA1
c535b53986e5cbf51676a9de14233e9cdf6192be

SHA256
cc786b72fd3b6f4165a962538cf43992d20620b6794dc47c3af58988ff8dd417

SHA512
e61dc6bdc9243239795dcdc166f0e02ed1ec737d888fd00700e06ce697caea1a4c098844722682885db83ac9155b15b5fc1e179c86fe10f079ff6802d3c47fef

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/1420-95-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/2760-100-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-43-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-10-0x00000000225B0000-0x000000002280F000-memory.dmp

Filesize
2.4MB

Download
memory/2760-25-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-26-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-42-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-71-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-72-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-79-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-80-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-81-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2760-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2856-0-0x0000000000D28000-0x0000000000D2A000-memory.dmp

Filesize
8KB

Download
memory/4668-96-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4668-98-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4668-99-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download