lumma | fa8e8dfb272f18daaece8b6ac3f9d6b16f9484764aff1005c9096909d75f760d

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 13:15

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General

Target

file.exe
Size

559KB
MD5

c9784db0c88a05a8aae9ddb7289b51db
SHA1

7ce51feb0e818f5acb6ba4f1deb9f4fef04d7cd6
SHA256

fa8e8dfb272f18daaece8b6ac3f9d6b16f9484764aff1005c9096909d75f760d
SHA512

5dcbe1ea972859d9be452355774aef12c99a65824e7ffc47f6229ee0ca8d460b0d6ef2c9209dd03eb92fc48ab89d4a96bb2fc0c5518111e55361b1ddad70b095
SSDEEP

12288:W/VmqBOr6mq0eOValpFrLeIOu2qSturmTdFtiDPF:0nHYKr5iIOu2qcOmTnti7F

Score

10^/10

lumma vidar 433cd71b7a2bdd3668a493b00ee95630 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

433cd71b7a2bdd3668a493b00ee95630

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://advocachark.store/api

Signatures

Detect Vidar Stealer 15 IoCs

stealer

resource	yara_rule
behavioral2/memory/2056-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-14-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-30-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-31-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-47-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-48-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-70-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-71-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-78-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-79-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-80-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2056-96-0x0000000000400000-0x0000000000676000-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
2440	CBAKJKJJJE.exe

Loads dropped DLL 2 IoCs

pid	Process
2056	MSBuild.exe
2056	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 2912 set thread context of 2056	2912	file.exe	82
PID 2440 set thread context of 404	2440	CBAKJKJJJE.exe	95

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4792	2912	WerFault.exe	81
768	2440	WerFault.exe	93

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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CBAKJKJJJE.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
4564	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2056	MSBuild.exe
2056	MSBuild.exe
2056	MSBuild.exe
2056	MSBuild.exe
2056	MSBuild.exe
2056	MSBuild.exe
2056	MSBuild.exe
2056	MSBuild.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2056	2912	file.exe	82
PID 2912 wrote to memory of 2056	2912	file.exe	82
PID 2912 wrote to memory of 2056	2912	file.exe	82
PID 2912 wrote to memory of 2056	2912	file.exe	82
PID 2912 wrote to memory of 2056	2912	file.exe	82
PID 2912 wrote to memory of 2056	2912	file.exe	82
PID 2912 wrote to memory of 2056	2912	file.exe	82
PID 2912 wrote to memory of 2056	2912	file.exe	82
PID 2912 wrote to memory of 2056	2912	file.exe	82
PID 2912 wrote to memory of 2056	2912	file.exe	82
PID 2056 wrote to memory of 2440	2056	MSBuild.exe	93
PID 2056 wrote to memory of 2440	2056	MSBuild.exe	93
PID 2056 wrote to memory of 2440	2056	MSBuild.exe	93
PID 2440 wrote to memory of 404	2440	CBAKJKJJJE.exe	95
PID 2440 wrote to memory of 404	2440	CBAKJKJJJE.exe	95
PID 2440 wrote to memory of 404	2440	CBAKJKJJJE.exe	95
PID 2440 wrote to memory of 404	2440	CBAKJKJJJE.exe	95
PID 2440 wrote to memory of 404	2440	CBAKJKJJJE.exe	95
PID 2440 wrote to memory of 404	2440	CBAKJKJJJE.exe	95
PID 2440 wrote to memory of 404	2440	CBAKJKJJJE.exe	95
PID 2440 wrote to memory of 404	2440	CBAKJKJJJE.exe	95
PID 2440 wrote to memory of 404	2440	CBAKJKJJJE.exe	95
PID 2056 wrote to memory of 4404	2056	MSBuild.exe	98
PID 2056 wrote to memory of 4404	2056	MSBuild.exe	98
PID 2056 wrote to memory of 4404	2056	MSBuild.exe	98
PID 4404 wrote to memory of 4564	4404	cmd.exe	100
PID 4404 wrote to memory of 4564	4404	cmd.exe	100
PID 4404 wrote to memory of 4564	4404	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2912
- 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:2056
- - C:\ProgramData\CBAKJKJJJE.exe
    "C:\ProgramData\CBAKJKJJJE.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2440
  - - 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:404
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2440 -s 292
      4⤵
      Program crash
      PID:768
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JJECGHJDBFIJ" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4404
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:4564
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2912 -s 288
  2⤵
  - Program crash
  PID:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2912 -ip 2912
1⤵
PID:2988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2440 -ip 2440
1⤵
PID:3488

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\CBAKJKJJJE.exe

Filesize
527KB

MD5
49504d08dc10aeca7d36605d6a20bde0

SHA1
bb6cbfc6ef07c8ee1f287f3be5690d0ffa5ac9ea

SHA256
a6b03fcc5f34e1a4546a92c1b6ccc6ed2ddc92965437d0bb64d4f0e515e22c0e

SHA512
33b6b2ad17c160bf5543d95cb0d2c000fb0b89fde8bc55da8424fdeffa3a4ccc3de7185ce2e520c421624f714ccfcf83db09469359f4d41f74b7c2e840c9ca2d

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/404-92-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/404-95-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/404-94-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2056-96-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-78-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-31-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-47-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-70-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-48-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-71-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-30-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-79-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-80-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2056-15-0x0000000022440000-0x000000002269F000-memory.dmp

Filesize
2.4MB

Download
memory/2056-14-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2440-91-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/2912-0-0x0000000000488000-0x0000000000489000-memory.dmp

Filesize
4KB

Download