lumma | f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16/12/2024, 09:03

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General

Target

4759820fde0c680644d332189bec83aa.exe
Size

1.8MB
MD5

4759820fde0c680644d332189bec83aa
SHA1

57299ea1dac94f357b2ff19e36df44f8eb5b4a33
SHA256

f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d
SHA512

156af54e601d1826e61407e03cd499344b17df99c0e6f57d928d2c748873556855deac4bbed1a319f5512e7456b399c5ffe089e0ba887ed62e432c9040767651
SSDEEP

49152:oOaxlQZ6PXdx29IOHABzAmN1tnaodro4cxR2zV:7jZ6PXdx2FABMm4OrJ6R2z

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	S4BFOKNV0YJYATP7C33U18SHJMWM.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__	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Z0YIM7FPDAHSNOZ4L4DBG03HB.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4759820fde0c680644d332189bec83aa.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\VideoBiosVersion	4759820fde0c680644d332189bec83aa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Z0YIM7FPDAHSNOZ4L4DBG03HB.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Z0YIM7FPDAHSNOZ4L4DBG03HB.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4759820fde0c680644d332189bec83aa.exe

Executes dropped EXE 2 IoCs

pid	Process
2920	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
2516	Z0YIM7FPDAHSNOZ4L4DBG03HB.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	4759820fde0c680644d332189bec83aa.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	Z0YIM7FPDAHSNOZ4L4DBG03HB.exe

Loads dropped DLL 3 IoCs

pid	Process
1076	4759820fde0c680644d332189bec83aa.exe
1076	4759820fde0c680644d332189bec83aa.exe
1076	4759820fde0c680644d332189bec83aa.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	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	S4BFOKNV0YJYATP7C33U18SHJMWM.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
1076	4759820fde0c680644d332189bec83aa.exe
2920	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
2516	Z0YIM7FPDAHSNOZ4L4DBG03HB.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	4759820fde0c680644d332189bec83aa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Z0YIM7FPDAHSNOZ4L4DBG03HB.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1076	4759820fde0c680644d332189bec83aa.exe
1076	4759820fde0c680644d332189bec83aa.exe
1076	4759820fde0c680644d332189bec83aa.exe
1076	4759820fde0c680644d332189bec83aa.exe
1076	4759820fde0c680644d332189bec83aa.exe
2920	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
2516	Z0YIM7FPDAHSNOZ4L4DBG03HB.exe
2920	S4BFOKNV0YJYATP7C33U18SHJMWM.exe
2920	S4BFOKNV0YJYATP7C33U18SHJMWM.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2920	S4BFOKNV0YJYATP7C33U18SHJMWM.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 2920	1076	4759820fde0c680644d332189bec83aa.exe	31
PID 1076 wrote to memory of 2920	1076	4759820fde0c680644d332189bec83aa.exe	31
PID 1076 wrote to memory of 2920	1076	4759820fde0c680644d332189bec83aa.exe	31
PID 1076 wrote to memory of 2920	1076	4759820fde0c680644d332189bec83aa.exe	31
PID 1076 wrote to memory of 2516	1076	4759820fde0c680644d332189bec83aa.exe	32
PID 1076 wrote to memory of 2516	1076	4759820fde0c680644d332189bec83aa.exe	32
PID 1076 wrote to memory of 2516	1076	4759820fde0c680644d332189bec83aa.exe	32
PID 1076 wrote to memory of 2516	1076	4759820fde0c680644d332189bec83aa.exe	32

C:\Users\Admin\AppData\Local\Temp\4759820fde0c680644d332189bec83aa.exe
"C:\Users\Admin\AppData\Local\Temp\4759820fde0c680644d332189bec83aa.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Local\Temp\S4BFOKNV0YJYATP7C33U18SHJMWM.exe
  "C:\Users\Admin\AppData\Local\Temp\S4BFOKNV0YJYATP7C33U18SHJMWM.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:2920
- C:\Users\Admin\AppData\Local\Temp\Z0YIM7FPDAHSNOZ4L4DBG03HB.exe
  "C:\Users\Admin\AppData\Local\Temp\Z0YIM7FPDAHSNOZ4L4DBG03HB.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:2516

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\S4BFOKNV0YJYATP7C33U18SHJMWM.exe

Filesize
2.7MB

MD5
f0a01acbb7c142ecdb64c66fe7e5da72

SHA1
bd76e25d19deca688e85a0c2afefebfbd2ed5708

SHA256
91ea2a284a8ee25b4ad74669df7d2f5362f8e88b45c5ad0471b8fff15b1cea7f

SHA512
fad5447153b4c9e95f787861dc41280b6192a71d7612772a5f4d579d7629cd2294e08b6274bba1a0c7184b1db8221a949264cd3353ee0ef40d2e7d227deafe4b

Download Submit
\Users\Admin\AppData\Local\Temp\Z0YIM7FPDAHSNOZ4L4DBG03HB.exe

Filesize
1.7MB

MD5
3aacd7d2751e6e0f434b9809f58b92bc

SHA1
a398a3b7487129b2f2bd94136da6ca36e91d7505

SHA256
2abc9291898edaa673b4754a60c0154084112532a7f76c36fee1e97cec5685ab

SHA512
56ae68afbd59926feb21f6ff2662e3c26f461c9e7a52b26add2d8bdeda7b381ce6fde1ef787310aab666ab84a27e884810efb56ac65968c1d71fceb963516cf3

Download Submit
memory/1076-15-0x0000000006070000-0x0000000006324000-memory.dmp

Filesize
2.7MB

Download
memory/1076-27-0x0000000006070000-0x00000000066FE000-memory.dmp

Filesize
6.6MB

Download
memory/1076-4-0x0000000000B20000-0x0000000000FCD000-memory.dmp

Filesize
4.7MB

Download
memory/1076-5-0x0000000000B20000-0x0000000000FCD000-memory.dmp

Filesize
4.7MB

Download
memory/1076-6-0x0000000000B20000-0x0000000000FCD000-memory.dmp

Filesize
4.7MB

Download
memory/1076-3-0x0000000000B20000-0x0000000000FCD000-memory.dmp

Filesize
4.7MB

Download
memory/1076-17-0x0000000006070000-0x0000000006324000-memory.dmp

Filesize
2.7MB

Download
memory/1076-26-0x0000000000B20000-0x0000000000FCD000-memory.dmp

Filesize
4.7MB

Download
memory/1076-0-0x0000000000B20000-0x0000000000FCD000-memory.dmp

Filesize
4.7MB

Download
memory/1076-2-0x0000000000B21000-0x0000000000B46000-memory.dmp

Filesize
148KB

Download
memory/1076-25-0x0000000000B20000-0x0000000000FCD000-memory.dmp

Filesize
4.7MB

Download
memory/1076-1-0x0000000077C00000-0x0000000077C02000-memory.dmp

Filesize
8KB

Download
memory/2516-29-0x00000000013A0000-0x0000000001A2E000-memory.dmp

Filesize
6.6MB

Download
memory/2516-30-0x00000000013A0000-0x0000000001A2E000-memory.dmp

Filesize
6.6MB

Download
memory/2920-19-0x00000000000D0000-0x0000000000384000-memory.dmp

Filesize
2.7MB

Download
memory/2920-18-0x00000000000D0000-0x0000000000384000-memory.dmp

Filesize
2.7MB

Download
memory/2920-16-0x00000000000D0000-0x0000000000384000-memory.dmp

Filesize
2.7MB

Download
memory/2920-31-0x00000000000D0000-0x0000000000384000-memory.dmp

Filesize
2.7MB

Download
memory/2920-34-0x00000000000D0000-0x0000000000384000-memory.dmp

Filesize
2.7MB

Download