lumma | 7823532217e8b06b102734023019188833b3e0ae711c3dc6f9cb437d8c48d14b

Analysis

max time kernel
94s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/10/2024, 16:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b84100c670bb19e92bfb62423048aa43.exe
Size

571KB
MD5

b84100c670bb19e92bfb62423048aa43
SHA1

592f3aef7ad93db6527d8e9d06b2ebbae1a51a79
SHA256

7823532217e8b06b102734023019188833b3e0ae711c3dc6f9cb437d8c48d14b
SHA512

25610d8053a29ef458a690e1435008cbdfd990e2548dbad0db929e539a594c61c144f0025f4b74788324d507af37c66dde302ba513f5279d4f2b37ec5ab8a953
SSDEEP

12288:HcEcpXoWDMr3QZJG6/vrB7JOpf/4Xx8Yl6E0nfhLZ4S:HOXo5Q/vXipYXx3l65ntK

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/4920-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-18-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-19-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-27-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-28-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-44-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-45-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-69-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-74-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-81-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-82-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-83-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4920-102-0x0000000000400000-0x0000000000676000-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
3696	CFCFHJDBKJ.exe

Loads dropped DLL 2 IoCs

pid	Process
4920	MSBuild.exe
4920	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 688 set thread context of 4920	688	b84100c670bb19e92bfb62423048aa43.exe	82
PID 3696 set thread context of 3700	3696	CFCFHJDBKJ.exe	91

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3824	688	WerFault.exe	80
4872	3696	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	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	b84100c670bb19e92bfb62423048aa43.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CFCFHJDBKJ.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
756	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4920	MSBuild.exe
4920	MSBuild.exe
4920	MSBuild.exe
4920	MSBuild.exe
4920	MSBuild.exe
4920	MSBuild.exe
4920	MSBuild.exe
4920	MSBuild.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 688 wrote to memory of 4920	688	b84100c670bb19e92bfb62423048aa43.exe	82
PID 688 wrote to memory of 4920	688	b84100c670bb19e92bfb62423048aa43.exe	82
PID 688 wrote to memory of 4920	688	b84100c670bb19e92bfb62423048aa43.exe	82
PID 688 wrote to memory of 4920	688	b84100c670bb19e92bfb62423048aa43.exe	82
PID 688 wrote to memory of 4920	688	b84100c670bb19e92bfb62423048aa43.exe	82
PID 688 wrote to memory of 4920	688	b84100c670bb19e92bfb62423048aa43.exe	82
PID 688 wrote to memory of 4920	688	b84100c670bb19e92bfb62423048aa43.exe	82
PID 688 wrote to memory of 4920	688	b84100c670bb19e92bfb62423048aa43.exe	82
PID 688 wrote to memory of 4920	688	b84100c670bb19e92bfb62423048aa43.exe	82
PID 688 wrote to memory of 4920	688	b84100c670bb19e92bfb62423048aa43.exe	82
PID 4920 wrote to memory of 3696	4920	MSBuild.exe	89
PID 4920 wrote to memory of 3696	4920	MSBuild.exe	89
PID 4920 wrote to memory of 3696	4920	MSBuild.exe	89
PID 3696 wrote to memory of 3700	3696	CFCFHJDBKJ.exe	91
PID 3696 wrote to memory of 3700	3696	CFCFHJDBKJ.exe	91
PID 3696 wrote to memory of 3700	3696	CFCFHJDBKJ.exe	91
PID 3696 wrote to memory of 3700	3696	CFCFHJDBKJ.exe	91
PID 3696 wrote to memory of 3700	3696	CFCFHJDBKJ.exe	91
PID 3696 wrote to memory of 3700	3696	CFCFHJDBKJ.exe	91
PID 3696 wrote to memory of 3700	3696	CFCFHJDBKJ.exe	91
PID 3696 wrote to memory of 3700	3696	CFCFHJDBKJ.exe	91
PID 3696 wrote to memory of 3700	3696	CFCFHJDBKJ.exe	91
PID 4920 wrote to memory of 1868	4920	MSBuild.exe	94
PID 4920 wrote to memory of 1868	4920	MSBuild.exe	94
PID 4920 wrote to memory of 1868	4920	MSBuild.exe	94
PID 1868 wrote to memory of 756	1868	cmd.exe	96
PID 1868 wrote to memory of 756	1868	cmd.exe	96
PID 1868 wrote to memory of 756	1868	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\b84100c670bb19e92bfb62423048aa43.exe
"C:\Users\Admin\AppData\Local\Temp\b84100c670bb19e92bfb62423048aa43.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:688
- 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:4920
- - C:\ProgramData\CFCFHJDBKJ.exe
    "C:\ProgramData\CFCFHJDBKJ.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3696
  - - 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:3700
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 256
      4⤵
      Program crash
      PID:4872
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KKKKEHJKFCFC" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1868
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 264
  2⤵
  - Program crash
  PID:3824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 688 -ip 688
1⤵
PID:2416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3696 -ip 3696
1⤵
PID:3056

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

Loading Replay Monitor...

Downloads

C:\ProgramData\CFCFHJDBKJ.exe

Filesize
538KB

MD5
62748c6343849a0f64e1b8e92c871e6f

SHA1
5ee8f634dff41ae1755518c03cbacee77e986bd6

SHA256
4167b003ef7a7a9120b73685d3b04acc8055e0ad8728a103a8a7fd08bdc3c142

SHA512
cdd5b708f52362533d481b14552f917b165dd7497040fd2c85c215f433db8922277961501102c510ad7c2dfadcb96c8c2c00637d98fa97627411d83d053f0a87

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/688-0-0x00000000006DD000-0x00000000006DF000-memory.dmp

Filesize
8KB

Download
memory/3696-97-0x0000000000D35000-0x0000000000D36000-memory.dmp

Filesize
4KB

Download
memory/3700-101-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3700-100-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3700-98-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4920-45-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-81-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-28-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-44-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-19-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-18-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-10-0x000000001FAA0000-0x000000001FCFF000-memory.dmp

Filesize
2.4MB

Download
memory/4920-69-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-74-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-27-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-82-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-83-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4920-102-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download