lumma | a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b

Analysis

max time kernel
80s
max time network
31s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 02:07

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General

Target

a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe
Size

571KB
MD5

8351aa212d7278c381ebe13f2a435ad9
SHA1

d529652f0ba92febad36c66a1b5be4398eddaef2
SHA256

a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b
SHA512

8ac16c1c659da3562a1b6c7b6a8999da49420d0860e18f601ce6ae737113c82b074b1a724db3b807b41da04f0fbbdfdecb8d42856f72cb0a1732a4dfbfbc2e47
SSDEEP

12288:fls0xfgBSzcsLJPVB1DrYoLRn/4CAkJwh9Jb6OYDU3zHCf4S:fHfgeDPMoLRwCAY06S39

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 16 IoCs

stealer

resource	yara_rule
behavioral1/memory/2168-12-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-14-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-9-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-17-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-18-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-19-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-36-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-37-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-50-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-67-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-68-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-75-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-76-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2168-114-0x0000000000400000-0x0000000000676000-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
832	DHCBGDHIEB.exe

Loads dropped DLL 14 IoCs

pid	Process
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
1240	WerFault.exe
1240	WerFault.exe
1240	WerFault.exe
1240	WerFault.exe
1240	WerFault.exe
1240	WerFault.exe
1240	WerFault.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 2324 set thread context of 2168	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	29
PID 832 set thread context of 1700	832	DHCBGDHIEB.exe	34

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 3 IoCs

pid	pid_target	Process	procid_target
2904	2324	WerFault.exe	28
1240	832	WerFault.exe	33
1416	1700	WerFault.exe	34

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	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DHCBGDHIEB.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
2492	timeout.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2168	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	29
PID 2324 wrote to memory of 2168	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	29
PID 2324 wrote to memory of 2168	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	29
PID 2324 wrote to memory of 2168	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	29
PID 2324 wrote to memory of 2168	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	29
PID 2324 wrote to memory of 2168	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	29
PID 2324 wrote to memory of 2168	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	29
PID 2324 wrote to memory of 2168	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	29
PID 2324 wrote to memory of 2168	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	29
PID 2324 wrote to memory of 2168	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	29
PID 2324 wrote to memory of 2168	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	29
PID 2324 wrote to memory of 2904	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	30
PID 2324 wrote to memory of 2904	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	30
PID 2324 wrote to memory of 2904	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	30
PID 2324 wrote to memory of 2904	2324	a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe	30
PID 2168 wrote to memory of 832	2168	MSBuild.exe	33
PID 2168 wrote to memory of 832	2168	MSBuild.exe	33
PID 2168 wrote to memory of 832	2168	MSBuild.exe	33
PID 2168 wrote to memory of 832	2168	MSBuild.exe	33
PID 832 wrote to memory of 1700	832	DHCBGDHIEB.exe	34
PID 832 wrote to memory of 1700	832	DHCBGDHIEB.exe	34
PID 832 wrote to memory of 1700	832	DHCBGDHIEB.exe	34
PID 832 wrote to memory of 1700	832	DHCBGDHIEB.exe	34
PID 832 wrote to memory of 1700	832	DHCBGDHIEB.exe	34
PID 832 wrote to memory of 1700	832	DHCBGDHIEB.exe	34
PID 832 wrote to memory of 1700	832	DHCBGDHIEB.exe	34
PID 832 wrote to memory of 1700	832	DHCBGDHIEB.exe	34
PID 832 wrote to memory of 1700	832	DHCBGDHIEB.exe	34
PID 832 wrote to memory of 1700	832	DHCBGDHIEB.exe	34
PID 832 wrote to memory of 1240	832	DHCBGDHIEB.exe	35
PID 832 wrote to memory of 1240	832	DHCBGDHIEB.exe	35
PID 832 wrote to memory of 1240	832	DHCBGDHIEB.exe	35
PID 832 wrote to memory of 1240	832	DHCBGDHIEB.exe	35
PID 1700 wrote to memory of 1416	1700	MSBuild.exe	36
PID 1700 wrote to memory of 1416	1700	MSBuild.exe	36
PID 1700 wrote to memory of 1416	1700	MSBuild.exe	36
PID 1700 wrote to memory of 1416	1700	MSBuild.exe	36
PID 2168 wrote to memory of 1028	2168	MSBuild.exe	37
PID 2168 wrote to memory of 1028	2168	MSBuild.exe	37
PID 2168 wrote to memory of 1028	2168	MSBuild.exe	37
PID 2168 wrote to memory of 1028	2168	MSBuild.exe	37
PID 1028 wrote to memory of 2492	1028	cmd.exe	39
PID 1028 wrote to memory of 2492	1028	cmd.exe	39
PID 1028 wrote to memory of 2492	1028	cmd.exe	39
PID 1028 wrote to memory of 2492	1028	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe
"C:\Users\Admin\AppData\Local\Temp\a86c7b65a6348d392d10d3982b6d0b896fdf646b218903a012d3c0dd73159f5b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- 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:2168
- - C:\ProgramData\DHCBGDHIEB.exe
    "C:\ProgramData\DHCBGDHIEB.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:832
  - - 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
      Suspicious use of WriteProcessMemory
      PID:1700
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 148
        5⤵
        Program crash
        
        PID:1416
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 52
      4⤵
      Loads dropped DLL
      Program crash
      PID:1240
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IECBGIDAEHCG" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1028
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 52
  2⤵
  - Program crash
  PID:2904

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

\ProgramData\DHCBGDHIEB.exe

Filesize
538KB

MD5
5dda3ef757da0a6ce29507b19fb932bc

SHA1
f3120ea49e4f21ed0786f16a385447a9b3bb4378

SHA256
f44d05e3b61f4690782ce7e72ff24209abeea31013e50dd8233ef9c2e5f3a6a4

SHA512
a7bb34d402a60bfc304cd81478feabe459fa337edc0d6c3ac0fbb22055d02cb3410aa1197423c5c13f3d3cf7f679fb995b6e9d9687ed407d44dee23f3dadaf44

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/832-96-0x0000000000E85000-0x0000000000E86000-memory.dmp

Filesize
4KB

Download
memory/1700-105-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1700-97-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1700-98-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1700-99-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1700-100-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1700-102-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1700-106-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2168-17-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-76-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-22-0x000000001B110000-0x000000001B36F000-memory.dmp

Filesize
2.4MB

Download
memory/2168-36-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-37-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-50-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-18-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-67-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-68-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-75-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-19-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-114-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-9-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-11-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2168-14-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-12-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2168-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2324-0-0x000000000043D000-0x000000000043F000-memory.dmp

Filesize
8KB

Download