lumma | b830fb5d195f47d080d73af41060f8be9049d20d26453ca00107367ce2fd1d9a

Analysis

max time kernel
91s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
05-10-2024 13:31

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General

Target

7f3c2473d1e6.exe
Size

580KB
MD5

dd44827a4ff7c9f0d3b4d94b8151144e
SHA1

6dacc2fcec01a0f34d27619c4cade3c25f3a6d52
SHA256

b830fb5d195f47d080d73af41060f8be9049d20d26453ca00107367ce2fd1d9a
SHA512

ade978c03223b23dba01c9119a17838d38d078270421857557ec9947f0e9fcc557bbc55253cb2f36ec47fbd4013301b1d40f1e51a9b0bb5ccda34ecf5c282dc3
SSDEEP

12288:h2qapAlfgoXFbrumro31PAANRet8Shpl62OmkymCyKtKndIisEO:vawfgAro3T3a8Shpl62W/CyEQWzt

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

Signatures

Detect Vidar Stealer 15 IoCs

stealer

resource	yara_rule
behavioral4/memory/412-2-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-25-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-26-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-42-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-43-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-71-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-72-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-79-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-80-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-81-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral4/memory/412-100-0x0000000000400000-0x0000000000676000-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
3876	EGIIIECBGD.exe

Loads dropped DLL 2 IoCs

pid	Process
412	MSBuild.exe
412	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 3668 set thread context of 412	3668	7f3c2473d1e6.exe	78
PID 3876 set thread context of 2948	3876	EGIIIECBGD.exe	86

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4516	3668	WerFault.exe	77
1328	3876	WerFault.exe	83

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	7f3c2473d1e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EGIIIECBGD.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
1632	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
412	MSBuild.exe
412	MSBuild.exe
412	MSBuild.exe
412	MSBuild.exe
412	MSBuild.exe
412	MSBuild.exe
412	MSBuild.exe
412	MSBuild.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 412	3668	7f3c2473d1e6.exe	78
PID 3668 wrote to memory of 412	3668	7f3c2473d1e6.exe	78
PID 3668 wrote to memory of 412	3668	7f3c2473d1e6.exe	78
PID 3668 wrote to memory of 412	3668	7f3c2473d1e6.exe	78
PID 3668 wrote to memory of 412	3668	7f3c2473d1e6.exe	78
PID 3668 wrote to memory of 412	3668	7f3c2473d1e6.exe	78
PID 3668 wrote to memory of 412	3668	7f3c2473d1e6.exe	78
PID 3668 wrote to memory of 412	3668	7f3c2473d1e6.exe	78
PID 3668 wrote to memory of 412	3668	7f3c2473d1e6.exe	78
PID 3668 wrote to memory of 412	3668	7f3c2473d1e6.exe	78
PID 412 wrote to memory of 3876	412	MSBuild.exe	83
PID 412 wrote to memory of 3876	412	MSBuild.exe	83
PID 412 wrote to memory of 3876	412	MSBuild.exe	83
PID 3876 wrote to memory of 2948	3876	EGIIIECBGD.exe	86
PID 3876 wrote to memory of 2948	3876	EGIIIECBGD.exe	86
PID 3876 wrote to memory of 2948	3876	EGIIIECBGD.exe	86
PID 3876 wrote to memory of 2948	3876	EGIIIECBGD.exe	86
PID 3876 wrote to memory of 2948	3876	EGIIIECBGD.exe	86
PID 3876 wrote to memory of 2948	3876	EGIIIECBGD.exe	86
PID 3876 wrote to memory of 2948	3876	EGIIIECBGD.exe	86
PID 3876 wrote to memory of 2948	3876	EGIIIECBGD.exe	86
PID 3876 wrote to memory of 2948	3876	EGIIIECBGD.exe	86
PID 412 wrote to memory of 3044	412	MSBuild.exe	89
PID 412 wrote to memory of 3044	412	MSBuild.exe	89
PID 412 wrote to memory of 3044	412	MSBuild.exe	89
PID 3044 wrote to memory of 1632	3044	cmd.exe	91
PID 3044 wrote to memory of 1632	3044	cmd.exe	91
PID 3044 wrote to memory of 1632	3044	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\7f3c2473d1e6.exe
"C:\Users\Admin\AppData\Local\Temp\7f3c2473d1e6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3668
- 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:412
- - C:\ProgramData\EGIIIECBGD.exe
    "C:\ProgramData\EGIIIECBGD.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3876
  - - 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:2948
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3876 -s 268
      4⤵
      Program crash
      PID:1328
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EHJJECBKKECF" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3044
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:1632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 264
  2⤵
  - Program crash
  PID:4516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3668 -ip 3668
1⤵
PID:3492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3876 -ip 3876
1⤵
PID:2840

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

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Downloads

C:\ProgramData\EGIIIECBGD.exe

Filesize
548KB

MD5
0b7ec5759db9aada4b7ba36b54a857dc

SHA1
2365308352225362c5b29d16096237a7c8d32792

SHA256
9d5a09f1e7085458979b815665c0065b267923a04a359bda91cebdd0e3ba7758

SHA512
ae541335ec70e75447fbc32c04ac5c7f5af1a88c50352fc5268d1074246640ebc7e3a172d37c1bb8648f55b532389bc54f33f875118142a1e0a438dedeacd4a2

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/412-100-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-25-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-43-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-79-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-72-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-26-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-42-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-71-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-10-0x000000001D5F0000-0x000000001D84F000-memory.dmp

Filesize
2.4MB

Download
memory/412-80-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-81-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/412-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2948-96-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2948-98-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2948-99-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3668-0-0x0000000000B9C000-0x0000000000B9E000-memory.dmp

Filesize
8KB

Download
memory/3876-95-0x0000000000CC4000-0x0000000000CC5000-memory.dmp

Filesize
4KB

Download