lumma | 9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529

Analysis

max time kernel
92s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2024, 00:33

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General

Target

9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe
Size

551KB
MD5

8aa1900ec791ea1de1e574bac382bf47
SHA1

c884b5b61adbda8ebcf18b0f5eed07f7fa8b5bc0
SHA256

9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529
SHA512

563d2407abf4cbf772c5278c23cdf671f44fc1c2ada132a22f6da13e42b89ce2aa57a22f7fc95d82f779d71090596d280a814993f2e743e370fbbbd1d5f516b9
SSDEEP

12288:7KzXYJTVvyjGrrMavTlMPBM08wLgoxcjDo+SpN/EAEsP:7sCVDEoTaPv3lSf2NN

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
behavioral2/memory/1404-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-25-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-26-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-42-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-43-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-71-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-72-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-79-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-80-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-81-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1404-100-0x0000000000400000-0x0000000000676000-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
2240	BAFCFHDHII.exe

Loads dropped DLL 2 IoCs

pid	Process
1404	MSBuild.exe
1404	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 2836 set thread context of 1404	2836	9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe	82
PID 2240 set thread context of 1964	2240	BAFCFHDHII.exe	93

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4976	2836	WerFault.exe	81
4424	2240	WerFault.exe	91

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	9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BAFCFHDHII.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
60	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1404	MSBuild.exe
1404	MSBuild.exe
1404	MSBuild.exe
1404	MSBuild.exe
1404	MSBuild.exe
1404	MSBuild.exe
1404	MSBuild.exe
1404	MSBuild.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 1404	2836	9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe	82
PID 2836 wrote to memory of 1404	2836	9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe	82
PID 2836 wrote to memory of 1404	2836	9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe	82
PID 2836 wrote to memory of 1404	2836	9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe	82
PID 2836 wrote to memory of 1404	2836	9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe	82
PID 2836 wrote to memory of 1404	2836	9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe	82
PID 2836 wrote to memory of 1404	2836	9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe	82
PID 2836 wrote to memory of 1404	2836	9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe	82
PID 2836 wrote to memory of 1404	2836	9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe	82
PID 2836 wrote to memory of 1404	2836	9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe	82
PID 1404 wrote to memory of 2240	1404	MSBuild.exe	91
PID 1404 wrote to memory of 2240	1404	MSBuild.exe	91
PID 1404 wrote to memory of 2240	1404	MSBuild.exe	91
PID 2240 wrote to memory of 1964	2240	BAFCFHDHII.exe	93
PID 2240 wrote to memory of 1964	2240	BAFCFHDHII.exe	93
PID 2240 wrote to memory of 1964	2240	BAFCFHDHII.exe	93
PID 2240 wrote to memory of 1964	2240	BAFCFHDHII.exe	93
PID 2240 wrote to memory of 1964	2240	BAFCFHDHII.exe	93
PID 2240 wrote to memory of 1964	2240	BAFCFHDHII.exe	93
PID 2240 wrote to memory of 1964	2240	BAFCFHDHII.exe	93
PID 2240 wrote to memory of 1964	2240	BAFCFHDHII.exe	93
PID 2240 wrote to memory of 1964	2240	BAFCFHDHII.exe	93
PID 1404 wrote to memory of 2996	1404	MSBuild.exe	100
PID 1404 wrote to memory of 2996	1404	MSBuild.exe	100
PID 1404 wrote to memory of 2996	1404	MSBuild.exe	100
PID 2996 wrote to memory of 60	2996	cmd.exe	102
PID 2996 wrote to memory of 60	2996	cmd.exe	102
PID 2996 wrote to memory of 60	2996	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe
"C:\Users\Admin\AppData\Local\Temp\9e950b2f1d69c52de09b54f2f9695932a1ea96e2daf258c9c1929b4624458529.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2836
- 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:1404
- - C:\ProgramData\BAFCFHDHII.exe
    "C:\ProgramData\BAFCFHDHII.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2240
  - - 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:1964
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 256
      4⤵
      Program crash
      PID:4424
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JDGIIDHJEBGI" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2996
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:60
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 264
  2⤵
  - Program crash
  PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2836 -ip 2836
1⤵
PID:4672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2240 -ip 2240
1⤵
PID:2972

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\BAFCFHDHII.exe

Filesize
548KB

MD5
4d95cfb8b9cf62cbd48933a44c910c6b

SHA1
04261615099e9f1664dbfe9c9fd2cf0fea886751

SHA256
e8c0edcffc32c30bd7c845fcef00b3672a440bffdc8a478aae06b9be14b831e1

SHA512
9315695a2516d4e2710ce0cb587357deb634a7231356e9fd4ec941bd26cc107b1bbf91b5bf7457db497fd69bbf2273ee48761567c2d511fee269ad2f47cd9cd0

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/1404-42-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-10-0x0000000020060000-0x00000000202BF000-memory.dmp

Filesize
2.4MB

Download
memory/1404-25-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-71-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-100-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-43-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-79-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-72-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-26-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-80-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-81-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1404-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-99-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1964-96-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1964-98-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2240-95-0x00000000003C4000-0x00000000003C5000-memory.dmp

Filesize
4KB

Download
memory/2836-0-0x0000000000598000-0x000000000059A000-memory.dmp

Filesize
8KB

Download