lumma | 7823532217e8b06b102734023019188833b3e0ae711c3dc6f9cb437d8c48d14b

Analysis

max time kernel
96s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-10-2024 16:59

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General

Target

b84100c670bb19e92bfb62423048aa43.exe
Size

571KB
MD5

b84100c670bb19e92bfb62423048aa43
SHA1

592f3aef7ad93db6527d8e9d06b2ebbae1a51a79
SHA256

7823532217e8b06b102734023019188833b3e0ae711c3dc6f9cb437d8c48d14b
SHA512

25610d8053a29ef458a690e1435008cbdfd990e2548dbad0db929e539a594c61c144f0025f4b74788324d507af37c66dde302ba513f5279d4f2b37ec5ab8a953
SSDEEP

12288:HcEcpXoWDMr3QZJG6/vrB7JOpf/4Xx8Yl6E0nfhLZ4S:HOXo5Q/vXipYXx3l65ntK

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 17 IoCs

stealer

resource	yara_rule
behavioral2/memory/2580-2-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-18-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-19-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-27-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-28-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-44-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-45-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-73-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-74-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-75-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-82-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-83-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2580-103-0x0000000000400000-0x0000000000676000-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
1616	KECGHIJDGC.exe

Loads dropped DLL 2 IoCs

pid	Process
2580	MSBuild.exe
2580	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 2788 set thread context of 2580	2788	b84100c670bb19e92bfb62423048aa43.exe	83
PID 1616 set thread context of 4432	1616	KECGHIJDGC.exe	91

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4548	2788	WerFault.exe	81
4476	1616	WerFault.exe	89

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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b84100c670bb19e92bfb62423048aa43.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KECGHIJDGC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MSBuild.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1152	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2580	MSBuild.exe
2580	MSBuild.exe
2580	MSBuild.exe
2580	MSBuild.exe
2580	MSBuild.exe
2580	MSBuild.exe
2580	MSBuild.exe
2580	MSBuild.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2580	2788	b84100c670bb19e92bfb62423048aa43.exe	83
PID 2788 wrote to memory of 2580	2788	b84100c670bb19e92bfb62423048aa43.exe	83
PID 2788 wrote to memory of 2580	2788	b84100c670bb19e92bfb62423048aa43.exe	83
PID 2788 wrote to memory of 2580	2788	b84100c670bb19e92bfb62423048aa43.exe	83
PID 2788 wrote to memory of 2580	2788	b84100c670bb19e92bfb62423048aa43.exe	83
PID 2788 wrote to memory of 2580	2788	b84100c670bb19e92bfb62423048aa43.exe	83
PID 2788 wrote to memory of 2580	2788	b84100c670bb19e92bfb62423048aa43.exe	83
PID 2788 wrote to memory of 2580	2788	b84100c670bb19e92bfb62423048aa43.exe	83
PID 2788 wrote to memory of 2580	2788	b84100c670bb19e92bfb62423048aa43.exe	83
PID 2788 wrote to memory of 2580	2788	b84100c670bb19e92bfb62423048aa43.exe	83
PID 2580 wrote to memory of 1616	2580	MSBuild.exe	89
PID 2580 wrote to memory of 1616	2580	MSBuild.exe	89
PID 2580 wrote to memory of 1616	2580	MSBuild.exe	89
PID 1616 wrote to memory of 4432	1616	KECGHIJDGC.exe	91
PID 1616 wrote to memory of 4432	1616	KECGHIJDGC.exe	91
PID 1616 wrote to memory of 4432	1616	KECGHIJDGC.exe	91
PID 1616 wrote to memory of 4432	1616	KECGHIJDGC.exe	91
PID 1616 wrote to memory of 4432	1616	KECGHIJDGC.exe	91
PID 1616 wrote to memory of 4432	1616	KECGHIJDGC.exe	91
PID 1616 wrote to memory of 4432	1616	KECGHIJDGC.exe	91
PID 1616 wrote to memory of 4432	1616	KECGHIJDGC.exe	91
PID 1616 wrote to memory of 4432	1616	KECGHIJDGC.exe	91
PID 2580 wrote to memory of 3792	2580	MSBuild.exe	94
PID 2580 wrote to memory of 3792	2580	MSBuild.exe	94
PID 2580 wrote to memory of 3792	2580	MSBuild.exe	94
PID 3792 wrote to memory of 1152	3792	cmd.exe	96
PID 3792 wrote to memory of 1152	3792	cmd.exe	96
PID 3792 wrote to memory of 1152	3792	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\b84100c670bb19e92bfb62423048aa43.exe
"C:\Users\Admin\AppData\Local\Temp\b84100c670bb19e92bfb62423048aa43.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788
- 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:2580
- - C:\ProgramData\KECGHIJDGC.exe
    "C:\ProgramData\KECGHIJDGC.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1616
  - - 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:4432
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 268
      4⤵
      Program crash
      PID:4476
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FIDHIEBAAKJD" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3792
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:1152
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 256
  2⤵
  - Program crash
  PID:4548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2788 -ip 2788
1⤵
PID:2584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1616 -ip 1616
1⤵
PID:1500

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\KECGHIJDGC.exe

Filesize
538KB

MD5
d7e53bcb525008ffc3464054f5d845b0

SHA1
b1a99a509d1263cc96c9627ce75d622cf0fa2c13

SHA256
ead35a9130d317fb0a615969e9136596ef244092bffdd92ae05ef46e1bf63ce9

SHA512
79a3325da89f973707f501b1ad1093c07824e4da99eeedd74289c8fb213bd5c95b92295695dc474899582451a46e79fa550a0d7c855e4e258384e905870b0652

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/1616-97-0x00000000004A5000-0x00000000004A6000-memory.dmp

Filesize
4KB

Download
memory/2580-45-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-73-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-10-0x00000000227B0000-0x0000000022A0F000-memory.dmp

Filesize
2.4MB

Download
memory/2580-18-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-19-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-27-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-28-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-44-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-103-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-74-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-75-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-82-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-83-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2580-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2788-0-0x00000000004FD000-0x00000000004FF000-memory.dmp

Filesize
8KB

Download
memory/4432-98-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4432-100-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4432-101-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4432-102-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download