lumma | f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 05:27

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General

Target

f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	PYTKB3LD4PV1Y613FSXEZHM1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	PYTKB3LD4PV1Y613FSXEZHM1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	PYTKB3LD4PV1Y613FSXEZHM1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	PYTKB3LD4PV1Y613FSXEZHM1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	PYTKB3LD4PV1Y613FSXEZHM1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	PYTKB3LD4PV1Y613FSXEZHM1.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__	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	PYTKB3LD4PV1Y613FSXEZHM1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	535X140BTWTYA479IX.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	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	PYTKB3LD4PV1Y613FSXEZHM1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	PYTKB3LD4PV1Y613FSXEZHM1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	535X140BTWTYA479IX.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	535X140BTWTYA479IX.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe

Executes dropped EXE 2 IoCs

pid	Process
2912	PYTKB3LD4PV1Y613FSXEZHM1.exe
2448	535X140BTWTYA479IX.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	PYTKB3LD4PV1Y613FSXEZHM1.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	535X140BTWTYA479IX.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe

Loads dropped DLL 3 IoCs

pid	Process
2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe
2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe
2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.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	PYTKB3LD4PV1Y613FSXEZHM1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	PYTKB3LD4PV1Y613FSXEZHM1.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
2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe
2912	PYTKB3LD4PV1Y613FSXEZHM1.exe
2448	535X140BTWTYA479IX.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	535X140BTWTYA479IX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PYTKB3LD4PV1Y613FSXEZHM1.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe
2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe
2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe
2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe
2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe
2912	PYTKB3LD4PV1Y613FSXEZHM1.exe
2912	PYTKB3LD4PV1Y613FSXEZHM1.exe
2912	PYTKB3LD4PV1Y613FSXEZHM1.exe
2448	535X140BTWTYA479IX.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	PYTKB3LD4PV1Y613FSXEZHM1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2912	2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe	31
PID 2304 wrote to memory of 2912	2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe	31
PID 2304 wrote to memory of 2912	2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe	31
PID 2304 wrote to memory of 2912	2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe	31
PID 2304 wrote to memory of 2448	2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe	32
PID 2304 wrote to memory of 2448	2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe	32
PID 2304 wrote to memory of 2448	2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe	32
PID 2304 wrote to memory of 2448	2304	f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe	32

C:\Users\Admin\AppData\Local\Temp\f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.exe
"C:\Users\Admin\AppData\Local\Temp\f77d07b9c49ce8361a05f50d39c3b2eefc02c9cf64200c80fdec8f445b7cac7d.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:2304
- C:\Users\Admin\AppData\Local\Temp\PYTKB3LD4PV1Y613FSXEZHM1.exe
  "C:\Users\Admin\AppData\Local\Temp\PYTKB3LD4PV1Y613FSXEZHM1.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:2912
- C:\Users\Admin\AppData\Local\Temp\535X140BTWTYA479IX.exe
  "C:\Users\Admin\AppData\Local\Temp\535X140BTWTYA479IX.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:2448

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\535X140BTWTYA479IX.exe

Filesize
2.8MB

MD5
367b6cf5ae840296a2e43e2d58a2f8cc

SHA1
5d6c9bc82479231d94457e1823ceb000afaeb8a0

SHA256
bb58c79e3bff569d2167f5c478e8bfeec422d0bc29fa84732e190472bb25bb77

SHA512
80d4378c27c7ccd9e8dbc524255bc8fcfe9c011d893cebc6816c15c6fd997ef856f795773b1eecf1d736853f9a7f840f679654569167b7b2defe00bd9cd11a06

Download Submit
\Users\Admin\AppData\Local\Temp\PYTKB3LD4PV1Y613FSXEZHM1.exe

Filesize
1.6MB

MD5
6215e9409cdfbf6956ee7a5a60f67248

SHA1
78c91bcefa5934699fa7e1b8152400f216aeccaa

SHA256
e64869fe84de387327fc30a4e97f1f0d4475dae71abe1f7d097e14c86337231d

SHA512
a5f8919a86682f52c69fdd8f25bae822a22cbfeb3dc8593361fa4d2d2fe3aff601c746d65572bbbe04c7589535d4cce6d0f2911a387d852ce4e55f02cd1d4f27

Download Submit
memory/2304-5-0x00000000011D0000-0x000000000167D000-memory.dmp

Filesize
4.7MB

Download
memory/2304-20-0x00000000011D0000-0x000000000167D000-memory.dmp

Filesize
4.7MB

Download
memory/2304-4-0x00000000011D0000-0x000000000167D000-memory.dmp

Filesize
4.7MB

Download
memory/2304-0-0x00000000011D0000-0x000000000167D000-memory.dmp

Filesize
4.7MB

Download
memory/2304-2-0x00000000011D1000-0x00000000011F6000-memory.dmp

Filesize
148KB

Download
memory/2304-27-0x00000000011D0000-0x000000000167D000-memory.dmp

Filesize
4.7MB

Download
memory/2304-15-0x00000000066D0000-0x0000000006B1A000-memory.dmp

Filesize
4.3MB

Download
memory/2304-14-0x00000000011D0000-0x000000000167D000-memory.dmp

Filesize
4.7MB

Download
memory/2304-13-0x00000000066D0000-0x0000000006B1A000-memory.dmp

Filesize
4.3MB

Download
memory/2304-28-0x00000000011D0000-0x000000000167D000-memory.dmp

Filesize
4.7MB

Download
memory/2304-29-0x00000000066D0000-0x0000000006BD9000-memory.dmp

Filesize
5.0MB

Download
memory/2304-3-0x00000000011D0000-0x000000000167D000-memory.dmp

Filesize
4.7MB

Download
memory/2304-21-0x00000000011D0000-0x000000000167D000-memory.dmp

Filesize
4.7MB

Download
memory/2304-1-0x00000000774E0000-0x00000000774E2000-memory.dmp

Filesize
8KB

Download
memory/2448-31-0x0000000000020000-0x0000000000529000-memory.dmp

Filesize
5.0MB

Download
memory/2448-32-0x0000000000020000-0x0000000000529000-memory.dmp

Filesize
5.0MB

Download
memory/2912-19-0x00000000011D0000-0x000000000161A000-memory.dmp

Filesize
4.3MB

Download
memory/2912-18-0x00000000011D0000-0x000000000161A000-memory.dmp

Filesize
4.3MB

Download
memory/2912-17-0x00000000011D0000-0x000000000161A000-memory.dmp

Filesize
4.3MB

Download
memory/2912-33-0x00000000011D0000-0x000000000161A000-memory.dmp

Filesize
4.3MB

Download
memory/2912-36-0x00000000011D0000-0x000000000161A000-memory.dmp

Filesize
4.3MB

Download