lumma | 97596ac4b0b3d839d53b03d9217c7628c977365b49e2f2f3f733441bb02556e0

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-10-2024 07:15

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General

Target

ea032d9278141463cb1aaf533b471aee.exe
Size

571KB
MD5

ea032d9278141463cb1aaf533b471aee
SHA1

27e519e9e44219aeafeed5ab66cc2c82ef1ce031
SHA256

97596ac4b0b3d839d53b03d9217c7628c977365b49e2f2f3f733441bb02556e0
SHA512

2839065a5cbcefec2d2b6f9233982601c5f01e22216d34a674925ebb1c4d56fbc22d455b094913db3ed24f773489cd668caaa0707cbcf00476ca65e5358636bf
SSDEEP

12288:TcEcpXoWDMa779ECxVxdlMvnYuqbzh45flvHMOLY4S:TOXomBNNLgYuq54ZBHMQ5

Score

10^/10

lumma vidar credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

http://lade.petperfectcare.com:80

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 17 IoCs

stealer

resource	yara_rule
behavioral2/memory/4156-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-9-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-19-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-20-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-28-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-29-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-45-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-46-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-74-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-75-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-82-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-83-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4156-102-0x0000000000400000-0x0000000000676000-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
4276	GCBGCGHDGI.exe

Loads dropped DLL 2 IoCs

pid	Process
4156	MSBuild.exe
4156	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 3952 set thread context of 4156	3952	ea032d9278141463cb1aaf533b471aee.exe	84
PID 4276 set thread context of 2660	4276	GCBGCGHDGI.exe	93

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4320	3952	WerFault.exe	81
1780	4276	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	ea032d9278141463cb1aaf533b471aee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GCBGCGHDGI.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 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
4684	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4156	MSBuild.exe
4156	MSBuild.exe
4156	MSBuild.exe
4156	MSBuild.exe
4156	MSBuild.exe
4156	MSBuild.exe
4156	MSBuild.exe
4156	MSBuild.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 4156	3952	ea032d9278141463cb1aaf533b471aee.exe	84
PID 3952 wrote to memory of 4156	3952	ea032d9278141463cb1aaf533b471aee.exe	84
PID 3952 wrote to memory of 4156	3952	ea032d9278141463cb1aaf533b471aee.exe	84
PID 3952 wrote to memory of 4156	3952	ea032d9278141463cb1aaf533b471aee.exe	84
PID 3952 wrote to memory of 4156	3952	ea032d9278141463cb1aaf533b471aee.exe	84
PID 3952 wrote to memory of 4156	3952	ea032d9278141463cb1aaf533b471aee.exe	84
PID 3952 wrote to memory of 4156	3952	ea032d9278141463cb1aaf533b471aee.exe	84
PID 3952 wrote to memory of 4156	3952	ea032d9278141463cb1aaf533b471aee.exe	84
PID 3952 wrote to memory of 4156	3952	ea032d9278141463cb1aaf533b471aee.exe	84
PID 3952 wrote to memory of 4156	3952	ea032d9278141463cb1aaf533b471aee.exe	84
PID 4156 wrote to memory of 4276	4156	MSBuild.exe	90
PID 4156 wrote to memory of 4276	4156	MSBuild.exe	90
PID 4156 wrote to memory of 4276	4156	MSBuild.exe	90
PID 4276 wrote to memory of 3240	4276	GCBGCGHDGI.exe	92
PID 4276 wrote to memory of 3240	4276	GCBGCGHDGI.exe	92
PID 4276 wrote to memory of 3240	4276	GCBGCGHDGI.exe	92
PID 4276 wrote to memory of 2660	4276	GCBGCGHDGI.exe	93
PID 4276 wrote to memory of 2660	4276	GCBGCGHDGI.exe	93
PID 4276 wrote to memory of 2660	4276	GCBGCGHDGI.exe	93
PID 4276 wrote to memory of 2660	4276	GCBGCGHDGI.exe	93
PID 4276 wrote to memory of 2660	4276	GCBGCGHDGI.exe	93
PID 4276 wrote to memory of 2660	4276	GCBGCGHDGI.exe	93
PID 4276 wrote to memory of 2660	4276	GCBGCGHDGI.exe	93
PID 4276 wrote to memory of 2660	4276	GCBGCGHDGI.exe	93
PID 4276 wrote to memory of 2660	4276	GCBGCGHDGI.exe	93
PID 4156 wrote to memory of 3760	4156	MSBuild.exe	96
PID 4156 wrote to memory of 3760	4156	MSBuild.exe	96
PID 4156 wrote to memory of 3760	4156	MSBuild.exe	96
PID 3760 wrote to memory of 4684	3760	cmd.exe	98
PID 3760 wrote to memory of 4684	3760	cmd.exe	98
PID 3760 wrote to memory of 4684	3760	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\ea032d9278141463cb1aaf533b471aee.exe
"C:\Users\Admin\AppData\Local\Temp\ea032d9278141463cb1aaf533b471aee.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3952
- 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:4156
- - C:\ProgramData\GCBGCGHDGI.exe
    "C:\ProgramData\GCBGCGHDGI.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4276
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      PID:3240
  - - 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:2660
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 264
      4⤵
      Program crash
      PID:1780
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GCFCFCGCGIEH" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3760
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:4684
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 252
  2⤵
  - Program crash
  PID:4320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3952 -ip 3952
1⤵
PID:1040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4276 -ip 4276
1⤵
PID:1988

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\GCBGCGHDGI.exe

Filesize
538KB

MD5
604854fec692e6dfb907e6e4d2853695

SHA1
80a59c2fe84222b4cd27b5b7896c8b2f6a868491

SHA256
567383e7b9842a00300af751e9a92a88c8ec1347d5795a0ffb9cc7c488bff51b

SHA512
bec69f34e548033bcef6720214c9ac2f195c4004092faff5828e69170140ee392404c97bd83633a0a050568daccb4c79d656499867c0d475870c5dfaf02b9c4c

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/2660-101-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2660-100-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2660-98-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3952-0-0x0000000000BDD000-0x0000000000BDF000-memory.dmp

Filesize
8KB

Download
memory/4156-45-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-74-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-20-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-28-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-29-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-11-0x0000000021F50000-0x00000000221AF000-memory.dmp

Filesize
2.4MB

Download
memory/4156-46-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-9-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-19-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-75-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-82-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-83-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-102-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4156-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4276-97-0x0000000000815000-0x0000000000816000-memory.dmp

Filesize
4KB

Download