lumma | ef123e56243004263637a0ec051578cebffbbe35f1d9cff18b4d9936ddd2d2a0

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 14:31

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General

Target

591c23cae68a9c792a7eb65cebc40b52.exe
Size

1.8MB
MD5

591c23cae68a9c792a7eb65cebc40b52
SHA1

8099f5a9458238225dd7d12811a0e57961b1d8b0
SHA256

ef123e56243004263637a0ec051578cebffbbe35f1d9cff18b4d9936ddd2d2a0
SHA512

23c3ddb2f9a72c7aedfd5a4f7d1eeff8bb2a6d5be4e4170470286276b6e37ad4580c596ec3f692171f9c74ca41362c8cf4ebf97339059409db661575c6c9b03e
SSDEEP

49152:CiU64is+eQw+9/uTQuSLNPKXCu1ZptAjXE:CTQwQGMuKk1Zp

Score

10^/10

lumma stealc stok discovery evasion spyware stealer trojan

Malware Config

Extracted

Family

lumma

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://tacitglibbr.biz/api

Extracted

Family

stealc

Botnet

stok

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.php

Extracted

Family

lumma

https://tacitglibbr.biz/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Lumma family
lumma

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	274A5JJAIRR4HOVRZFYVKC25XO9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	274A5JJAIRR4HOVRZFYVKC25XO9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	274A5JJAIRR4HOVRZFYVKC25XO9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	274A5JJAIRR4HOVRZFYVKC25XO9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	274A5JJAIRR4HOVRZFYVKC25XO9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	274A5JJAIRR4HOVRZFYVKC25XO9.exe

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	591c23cae68a9c792a7eb65cebc40b52.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	274A5JJAIRR4HOVRZFYVKC25XO9.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4B0T2G9WZ1WKLHT211X8.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 6 IoCs

BIOS 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\SystemBiosVersion	591c23cae68a9c792a7eb65cebc40b52.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	591c23cae68a9c792a7eb65cebc40b52.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	274A5JJAIRR4HOVRZFYVKC25XO9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	274A5JJAIRR4HOVRZFYVKC25XO9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4B0T2G9WZ1WKLHT211X8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4B0T2G9WZ1WKLHT211X8.exe

Executes dropped EXE 2 IoCs

pid	Process
844	274A5JJAIRR4HOVRZFYVKC25XO9.exe
2256	4B0T2G9WZ1WKLHT211X8.exe

Identifies Wine through registry keys 2 TTPs 3 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	591c23cae68a9c792a7eb65cebc40b52.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	274A5JJAIRR4HOVRZFYVKC25XO9.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	4B0T2G9WZ1WKLHT211X8.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	274A5JJAIRR4HOVRZFYVKC25XO9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	274A5JJAIRR4HOVRZFYVKC25XO9.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
4004	591c23cae68a9c792a7eb65cebc40b52.exe
844	274A5JJAIRR4HOVRZFYVKC25XO9.exe
2256	4B0T2G9WZ1WKLHT211X8.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 3 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	4B0T2G9WZ1WKLHT211X8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	591c23cae68a9c792a7eb65cebc40b52.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	274A5JJAIRR4HOVRZFYVKC25XO9.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4004	591c23cae68a9c792a7eb65cebc40b52.exe
4004	591c23cae68a9c792a7eb65cebc40b52.exe
4004	591c23cae68a9c792a7eb65cebc40b52.exe
4004	591c23cae68a9c792a7eb65cebc40b52.exe
4004	591c23cae68a9c792a7eb65cebc40b52.exe
4004	591c23cae68a9c792a7eb65cebc40b52.exe
844	274A5JJAIRR4HOVRZFYVKC25XO9.exe
844	274A5JJAIRR4HOVRZFYVKC25XO9.exe
844	274A5JJAIRR4HOVRZFYVKC25XO9.exe
844	274A5JJAIRR4HOVRZFYVKC25XO9.exe
2256	4B0T2G9WZ1WKLHT211X8.exe
2256	4B0T2G9WZ1WKLHT211X8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	844	274A5JJAIRR4HOVRZFYVKC25XO9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 844	4004	591c23cae68a9c792a7eb65cebc40b52.exe	84
PID 4004 wrote to memory of 844	4004	591c23cae68a9c792a7eb65cebc40b52.exe	84
PID 4004 wrote to memory of 844	4004	591c23cae68a9c792a7eb65cebc40b52.exe	84
PID 4004 wrote to memory of 2256	4004	591c23cae68a9c792a7eb65cebc40b52.exe	90
PID 4004 wrote to memory of 2256	4004	591c23cae68a9c792a7eb65cebc40b52.exe	90
PID 4004 wrote to memory of 2256	4004	591c23cae68a9c792a7eb65cebc40b52.exe	90

C:\Users\Admin\AppData\Local\Temp\591c23cae68a9c792a7eb65cebc40b52.exe
"C:\Users\Admin\AppData\Local\Temp\591c23cae68a9c792a7eb65cebc40b52.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Users\Admin\AppData\Local\Temp\274A5JJAIRR4HOVRZFYVKC25XO9.exe
  "C:\Users\Admin\AppData\Local\Temp\274A5JJAIRR4HOVRZFYVKC25XO9.exe"
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Windows security modification
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:844
- C:\Users\Admin\AppData\Local\Temp\4B0T2G9WZ1WKLHT211X8.exe
  "C:\Users\Admin\AppData\Local\Temp\4B0T2G9WZ1WKLHT211X8.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\274A5JJAIRR4HOVRZFYVKC25XO9.exe

Filesize
2.6MB

MD5
f86c08a75747002a2a7cd3fbc5fe05c8

SHA1
7b9776338fe3a06350c16bc62e927f5ba6490723

SHA256
5b4d3426cd705909f38f2a136e2a5a1e593fd66a68c01b0e715f533d20a4218a

SHA512
2b8ab4cb0d7aba429f5835462a1c16dd4d0bc1a13c40c5ddf27a900295ca3c168dba79b8af97b26f80017755514e43f71120f1c309dece1fabd41d9147e63790

Download Submit
C:\Users\Admin\AppData\Local\Temp\4B0T2G9WZ1WKLHT211X8.exe

Filesize
1.7MB

MD5
e33dc32f04e77bc26482baccb87b9795

SHA1
e4a57ead636bd006cecb7d9ec5e9aa36432e1372

SHA256
b2ecbacaf99db2c41066c1914b8b3116b5e25683e6552802a24b08d00d563431

SHA512
13d735438d20b0d352719c6e32584ed6abfaad6092ff9124393b3f1c6d6aa4314d0ce27c16cc654583973369572ec823423be9be04e34c50184976c0a35c96cf

Download Submit
memory/844-9-0x0000000000A70000-0x0000000000D20000-memory.dmp

Filesize
2.7MB

Download
memory/844-10-0x0000000000A70000-0x0000000000D20000-memory.dmp

Filesize
2.7MB

Download
memory/844-11-0x0000000000A70000-0x0000000000D20000-memory.dmp

Filesize
2.7MB

Download
memory/844-20-0x0000000000A70000-0x0000000000D20000-memory.dmp

Filesize
2.7MB

Download
memory/844-24-0x0000000000A70000-0x0000000000D20000-memory.dmp

Filesize
2.7MB

Download
memory/2256-16-0x0000000000200000-0x0000000000895000-memory.dmp

Filesize
6.6MB

Download
memory/2256-19-0x0000000000200000-0x0000000000895000-memory.dmp

Filesize
6.6MB

Download
memory/4004-3-0x0000000000180000-0x0000000000637000-memory.dmp

Filesize
4.7MB

Download
memory/4004-4-0x0000000000180000-0x0000000000637000-memory.dmp

Filesize
4.7MB

Download
memory/4004-2-0x0000000000181000-0x00000000001A6000-memory.dmp

Filesize
148KB

Download
memory/4004-0-0x0000000000180000-0x0000000000637000-memory.dmp

Filesize
4.7MB

Download
memory/4004-1-0x00000000776C4000-0x00000000776C6000-memory.dmp

Filesize
8KB

Download
memory/4004-15-0x0000000000180000-0x0000000000637000-memory.dmp

Filesize
4.7MB

Download