lumma | 5d2b5f0d8b9fbfb231b99678bb332bee9cfef9aa6c2ed7e994dbabbb83639004

Analysis

max time kernel
94s
max time network
99s
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 16:09

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General

Target

9b88afc4511d0fe8aca6080d34f2dd66.exe
Size

1.8MB
MD5

9b88afc4511d0fe8aca6080d34f2dd66
SHA1

4d0abcc2f053e2b17d3064f65dffc171f873b043
SHA256

5d2b5f0d8b9fbfb231b99678bb332bee9cfef9aa6c2ed7e994dbabbb83639004
SHA512

f4e9c5bbbb27eb07c192226390833714b82b94cfa4a9fb6b0e0a75ece7b51eb009b9c2bdc3b70c2ee77a56b7496c1251c50888471cddf32a2f307eaf134b1490
SSDEEP

49152:5Ir6N++PRgxCGbe4K9FTTH/e3p7IJIZ1KFvGTPeMXPgnktG:t+PHbe4qe5601ssGM/Nt

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\DisableRealtimeMonitoring = "1"	8TXWYIIOC4Z28MDBYEUFJ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	8TXWYIIOC4Z28MDBYEUFJ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	8TXWYIIOC4Z28MDBYEUFJ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	8TXWYIIOC4Z28MDBYEUFJ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	8TXWYIIOC4Z28MDBYEUFJ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	8TXWYIIOC4Z28MDBYEUFJ.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__	9b88afc4511d0fe8aca6080d34f2dd66.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	8TXWYIIOC4Z28MDBYEUFJ.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	WYLXEI0XBQKET813ADD2YVP1KAT.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	9b88afc4511d0fe8aca6080d34f2dd66.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9b88afc4511d0fe8aca6080d34f2dd66.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	8TXWYIIOC4Z28MDBYEUFJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8TXWYIIOC4Z28MDBYEUFJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	WYLXEI0XBQKET813ADD2YVP1KAT.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	WYLXEI0XBQKET813ADD2YVP1KAT.exe

Executes dropped EXE 2 IoCs

pid	Process
5036	8TXWYIIOC4Z28MDBYEUFJ.exe
2176	WYLXEI0XBQKET813ADD2YVP1KAT.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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	9b88afc4511d0fe8aca6080d34f2dd66.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	8TXWYIIOC4Z28MDBYEUFJ.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	WYLXEI0XBQKET813ADD2YVP1KAT.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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	8TXWYIIOC4Z28MDBYEUFJ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	8TXWYIIOC4Z28MDBYEUFJ.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
544	9b88afc4511d0fe8aca6080d34f2dd66.exe
5036	8TXWYIIOC4Z28MDBYEUFJ.exe
2176	WYLXEI0XBQKET813ADD2YVP1KAT.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	9b88afc4511d0fe8aca6080d34f2dd66.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8TXWYIIOC4Z28MDBYEUFJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WYLXEI0XBQKET813ADD2YVP1KAT.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
544	9b88afc4511d0fe8aca6080d34f2dd66.exe
544	9b88afc4511d0fe8aca6080d34f2dd66.exe
544	9b88afc4511d0fe8aca6080d34f2dd66.exe
544	9b88afc4511d0fe8aca6080d34f2dd66.exe
544	9b88afc4511d0fe8aca6080d34f2dd66.exe
544	9b88afc4511d0fe8aca6080d34f2dd66.exe
5036	8TXWYIIOC4Z28MDBYEUFJ.exe
5036	8TXWYIIOC4Z28MDBYEUFJ.exe
5036	8TXWYIIOC4Z28MDBYEUFJ.exe
5036	8TXWYIIOC4Z28MDBYEUFJ.exe
2176	WYLXEI0XBQKET813ADD2YVP1KAT.exe
2176	WYLXEI0XBQKET813ADD2YVP1KAT.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5036	8TXWYIIOC4Z28MDBYEUFJ.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 5036	544	9b88afc4511d0fe8aca6080d34f2dd66.exe	90
PID 544 wrote to memory of 5036	544	9b88afc4511d0fe8aca6080d34f2dd66.exe	90
PID 544 wrote to memory of 5036	544	9b88afc4511d0fe8aca6080d34f2dd66.exe	90
PID 544 wrote to memory of 2176	544	9b88afc4511d0fe8aca6080d34f2dd66.exe	92
PID 544 wrote to memory of 2176	544	9b88afc4511d0fe8aca6080d34f2dd66.exe	92
PID 544 wrote to memory of 2176	544	9b88afc4511d0fe8aca6080d34f2dd66.exe	92

C:\Users\Admin\AppData\Local\Temp\9b88afc4511d0fe8aca6080d34f2dd66.exe
"C:\Users\Admin\AppData\Local\Temp\9b88afc4511d0fe8aca6080d34f2dd66.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:544
- C:\Users\Admin\AppData\Local\Temp\8TXWYIIOC4Z28MDBYEUFJ.exe
  "C:\Users\Admin\AppData\Local\Temp\8TXWYIIOC4Z28MDBYEUFJ.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:5036
- C:\Users\Admin\AppData\Local\Temp\WYLXEI0XBQKET813ADD2YVP1KAT.exe
  "C:\Users\Admin\AppData\Local\Temp\WYLXEI0XBQKET813ADD2YVP1KAT.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:2176

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\8TXWYIIOC4Z28MDBYEUFJ.exe

Filesize
2.7MB

MD5
7d60d18dcc44e074d7392384743481fe

SHA1
fe4d910529c03762fba8f8df5cf405f5e6f1c30f

SHA256
62e97f2c558313f494a3554fe24ba552da64f709a98e4880a5a6b621dc89f789

SHA512
83b8bfbac6d666b4d2e34c563165375ea3b55a77c346ef23ed033ad7a1e5c2c750a45833f33a01dc0f8d826a9b68296433d4492e65c83ad5005a734028e5301d

Download Submit
C:\Users\Admin\AppData\Local\Temp\WYLXEI0XBQKET813ADD2YVP1KAT.exe

Filesize
1.7MB

MD5
014fe2951180116a9eb43716b0a2b669

SHA1
24468a745c1b4cdd34cf350fd018181df5a228db

SHA256
5258ba33ded7480fb162ff25af0dd7628d468b88d8160b79824301f50c7981ac

SHA512
c65e5e2fcdb415571377e7b60bce42e430ebaeb8ae6857bd224d165fc8ba2220cce722c81996434d096463d8ebb8b3f04b07e27aac7bf0605619c86b25618c04

Download Submit
memory/544-12-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/544-9-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/544-0-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/544-5-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/544-6-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/544-7-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/544-8-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/544-26-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/544-10-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/544-2-0x0000000000481000-0x00000000004A6000-memory.dmp

Filesize
148KB

Download
memory/544-4-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/544-3-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/544-11-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/544-32-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/544-1-0x0000000077114000-0x0000000077116000-memory.dmp

Filesize
8KB

Download
memory/544-20-0x0000000000480000-0x000000000092C000-memory.dmp

Filesize
4.7MB

Download
memory/2176-34-0x0000000000950000-0x0000000000FE3000-memory.dmp

Filesize
6.6MB

Download
memory/2176-33-0x0000000000950000-0x0000000000FE3000-memory.dmp

Filesize
6.6MB

Download
memory/5036-25-0x0000000000D60000-0x0000000001020000-memory.dmp

Filesize
2.8MB

Download
memory/5036-22-0x0000000000D60000-0x0000000001020000-memory.dmp

Filesize
2.8MB

Download
memory/5036-19-0x0000000000D60000-0x0000000001020000-memory.dmp

Filesize
2.8MB

Download
memory/5036-18-0x0000000000D60000-0x0000000001020000-memory.dmp

Filesize
2.8MB

Download
memory/5036-16-0x0000000000D60000-0x0000000001020000-memory.dmp

Filesize
2.8MB

Download