lumma | 7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86

Analysis

max time kernel
93s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 07:55

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General

Target

7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe
Size

551KB
MD5

e26251c9b69242d40b4719dc9e49fa74
SHA1

0398069717fc29a080b247a0a018f83903d28dbb
SHA256

7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86
SHA512

53bd85f730cb997ce15de0b979601f6b8953f2e641fa4e1f270a461f284369bd4ad45c21266ad2b44cfc8e162e227de9a54343d741b1e0e8faf934e40deafd28
SSDEEP

12288:VLgb3AhDsvBjCWws+uiKT+KWszTC5DomEZV66+TPNXk2phPwLjsP:VLySuRh5TzWszTC5kmu66+TPNU2phYLq

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

Extracted

Family

lumma

https://spirittunek.store/api

https://mobbipenju.store/api

https://eaglepawnoy.store/api

https://dissapoiznw.store/api

https://studennotediw.store/api

https://bathdoomgaz.store/api

Signatures

Detect Vidar Stealer 14 IoCs

stealer

resource	yara_rule
behavioral2/memory/2004-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-25-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-26-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-42-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-43-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-71-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-72-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-79-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-80-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-99-0x0000000000400000-0x0000000000676000-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
4828	EGCBAFCFIJ.exe

Loads dropped DLL 2 IoCs

pid	Process
2004	MSBuild.exe
2004	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 4564 set thread context of 2004	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	84
PID 4828 set thread context of 4956	4828	EGCBAFCFIJ.exe	97

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5080	4564	WerFault.exe	81
4836	4828	WerFault.exe	95

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	EGCBAFCFIJ.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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
680	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2004	MSBuild.exe
2004	MSBuild.exe
2004	MSBuild.exe
2004	MSBuild.exe
2004	MSBuild.exe
2004	MSBuild.exe
2004	MSBuild.exe
2004	MSBuild.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4564 wrote to memory of 5052	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	82
PID 4564 wrote to memory of 5052	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	82
PID 4564 wrote to memory of 5052	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	82
PID 4564 wrote to memory of 2124	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	83
PID 4564 wrote to memory of 2124	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	83
PID 4564 wrote to memory of 2124	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	83
PID 4564 wrote to memory of 2004	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	84
PID 4564 wrote to memory of 2004	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	84
PID 4564 wrote to memory of 2004	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	84
PID 4564 wrote to memory of 2004	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	84
PID 4564 wrote to memory of 2004	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	84
PID 4564 wrote to memory of 2004	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	84
PID 4564 wrote to memory of 2004	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	84
PID 4564 wrote to memory of 2004	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	84
PID 4564 wrote to memory of 2004	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	84
PID 4564 wrote to memory of 2004	4564	7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe	84
PID 2004 wrote to memory of 4828	2004	MSBuild.exe	95
PID 2004 wrote to memory of 4828	2004	MSBuild.exe	95
PID 2004 wrote to memory of 4828	2004	MSBuild.exe	95
PID 4828 wrote to memory of 4956	4828	EGCBAFCFIJ.exe	97
PID 4828 wrote to memory of 4956	4828	EGCBAFCFIJ.exe	97
PID 4828 wrote to memory of 4956	4828	EGCBAFCFIJ.exe	97
PID 4828 wrote to memory of 4956	4828	EGCBAFCFIJ.exe	97
PID 4828 wrote to memory of 4956	4828	EGCBAFCFIJ.exe	97
PID 4828 wrote to memory of 4956	4828	EGCBAFCFIJ.exe	97
PID 4828 wrote to memory of 4956	4828	EGCBAFCFIJ.exe	97
PID 4828 wrote to memory of 4956	4828	EGCBAFCFIJ.exe	97
PID 4828 wrote to memory of 4956	4828	EGCBAFCFIJ.exe	97
PID 2004 wrote to memory of 1560	2004	MSBuild.exe	102
PID 2004 wrote to memory of 1560	2004	MSBuild.exe	102
PID 2004 wrote to memory of 1560	2004	MSBuild.exe	102
PID 1560 wrote to memory of 680	1560	cmd.exe	104
PID 1560 wrote to memory of 680	1560	cmd.exe	104
PID 1560 wrote to memory of 680	1560	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe
"C:\Users\Admin\AppData\Local\Temp\7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:5052
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2124
- 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:2004
- - C:\ProgramData\EGCBAFCFIJ.exe
    "C:\ProgramData\EGCBAFCFIJ.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4828
  - - 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:4956
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 240
      4⤵
      Program crash
      PID:4836
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DHCAECGIEBKJ" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1560
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:680
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 268
  2⤵
  - Program crash
  PID:5080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4564 -ip 4564
1⤵
PID:224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4828 -ip 4828
1⤵
PID:3844

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\EGCBAFCFIJ.exe

Filesize
518KB

MD5
77a0c98a7d5a2905955e1c868d71fc3e

SHA1
8da013af209fd44dec2a2c1fcaf9f108b6a145b0

SHA256
daa40c5472119aa04ea001be9d59405ddc17efc5f6273bcd282f10f295886ea0

SHA512
820984eec621ca28746879ea62655cd2f0ec58ef32764c99b7d7f4e09c8aab72100ddac74f2da683a2d5d4e0fb45919894ce1e36b3520548aceb19784fbd6f7d

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/2004-43-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2004-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2004-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2004-10-0x00000000225C0000-0x000000002281F000-memory.dmp

Filesize
2.4MB

Download
memory/2004-25-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2004-26-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2004-42-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2004-99-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2004-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2004-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2004-71-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2004-72-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2004-79-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2004-80-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2004-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4564-0-0x00000000008D8000-0x00000000008DA000-memory.dmp

Filesize
8KB

Download
memory/4828-94-0x0000000001080000-0x0000000001081000-memory.dmp

Filesize
4KB

Download
memory/4956-95-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4956-97-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4956-98-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download